CN103128948B - Adjustable nose for plastic detonating cord plastic coating and extruding machine - Google Patents
Adjustable nose for plastic detonating cord plastic coating and extruding machine Download PDFInfo
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- CN103128948B CN103128948B CN201210372818.7A CN201210372818A CN103128948B CN 103128948 B CN103128948 B CN 103128948B CN 201210372818 A CN201210372818 A CN 201210372818A CN 103128948 B CN103128948 B CN 103128948B
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Abstract
The invention relates to a plastic detonating cord, in particular to an adjustable nose for a plastic detonating cord plastic coating and extruding machine. The adjustable nose comprises an extruding machine delivery rod, an electric heating ring, an extruding machine nose connecting sleeve, a thermocouple, a core mold fixing bolt, a core mold, an extruding machine mold body, a filter board, a gate mold adjusting bolt, a gate mold and a gate mold fixing bolt. Fixed connection of the extruding machine mold body and the gate mold of the plastic detonating cord plastic coating and extruding machine is changed to floating connection, the thickness of a plastic layer coated on an outer surface of a semi-finished detonating cord product penetrating through the core mold and the gate mold is even, thickness difference can be controlled from 0mm to 0.02mm and the product quality requirement for plastic detonating cord plastic coating is strictly guaranteed. The adjustable nose for the plastic detonating cord plastic coating and extruding machine is compact in structure, reliable in operation, convenient to use, automatic in coating, capable of reducing a failure rate, even in a coating layer, high in accuracy and capable of strictly guaranteeing product quality, remarkably improving economic benefit and being popularized and applied to all plastic detonating cord production enterprises and suitable for electric wire and electric cable production enterprises.
Description
Technical field
The present invention relates to plastic detonating cord, especially the adjustable nose of plastic detonating cord plastic-coated extruding machine.
Background technology
Plastic detonating cord manufacturing enterprise needs to use extruding machine at primacord half-finished outer surface one deck plastics, has just calculated the production task of plastic detonating cord.When entering primacord plastic-coated operation, the half-finished coil of wire of primacord will as actinobacillus wheel, primacord semi-finished product on this actinobacillus wheel will be pulled and penetrate extruding machine core, be pulled out by extruding machine mouth mould, when plastic-coated operation starts, extruding machine first melts plastics power supply opening, start shooting again when the temperature of melting plastics reaches the plastic-coated temperature of setting, the plastics of the melting state that need be applied by the extruder screw of extrusion molding airborne device are pushed to extrusion head adapter sleeve from extruding machine conveying lever, the electrical heating ring heating and thermal insulation be set with outward by extrusion head adapter sleeve, it is made to keep the plastic-coated temperature set, again the plastics of melting state are pushed through the core of extruding machine die body place device, mouth mould place, make through core, after primacord half-finished outer surface one deck plastics at mouth mould place, be pulled through bosh, the plastic layer chilling that painting is covered with, sizing, finally be pulled by take-up pulley rolling---become plastic detonating cord finished product.Its core of head, the mouth mould of existing plastic detonating cord plastic-coated extruding machine are fixedly connected with installation with extruding machine die body, plastic layer through the primacord semi-finished product outer surface at core, mouth mould place is uneven, thickness difference can reach 0.15-0.85mm, does not meet product quality and requires to become waste product.The extruding machine die body of plastic detonating cord plastic-coated extruding machine is fixedly connected with mouth mould to change floating connection into by the present invention, be made the adjustable nose of plastic detonating cord plastic-coated extruding machine, make the plastic layer of the primacord semi-finished product outer surface through core, mouth mould place even, 0-0.02mm is can be controlled in by regulating its thickness difference of mouth mould adjusting bolt, meet product quality requirement, to reduce the number of rejects and seconds rate, significantly improve economic benefit.
According to retrieval, domestic not yet have the patent application identical with the present invention.
Summary of the invention
Described in above, the invention provides a kind of being fixedly connected with mouth mould by the extruding machine die body of plastic detonating cord plastic-coated extruding machine and change floating connection into, make the plastic layer of the primacord semi-finished product outer surface through core, mouth mould place even, thickness difference only has 0-0.02mm, can the product quality requirement of strict guarantee plastic detonating cord plastic-coated, rate of reducing the number of rejects and seconds, significantly improve the adjustable nose of the plastic detonating cord plastic-coated extruding machine of economic benefit.
The technical solution adopted for the present invention to solve the technical problems is: as shown in Figure 1, the adjustable nose of this plastic detonating cord plastic-coated extruding machine is fixedly connected with mouth mould by the extruding machine die body of plastic detonating cord plastic-coated extruding machine to change floating connection into, comprise extruding machine conveying lever 1, electrical heating ring 2, extrusion head adapter sleeve 3, thermocouple 4, core set bolt 5, core 6, extruding machine die body 7, filter 8, mouth mould adjusting bolt 9, mouth mould 10, mouth mould set bolt 11, described extruding machine conveying lever 1 is contained on extruding machine body, the delivery end endoporus of this extruding machine conveying lever 1 is the passage of conveying plastics, its endoporus termination does there is inner stopper in order to install filter 8, its cylindrical is made two ladder circular shaft shapes, the endoporus of little cylindrical and extrusion head adapter sleeve 3 is slidably matched, large outer nose circle does there is external screw thread, in order to be fixedly connected with the internal thread of extrusion head adapter sleeve 3, described electrical heating ring 2 is the electrical heating ring of ring-type, is given the thawing plastic heating insulation being pushed to extrusion head adapter sleeve 3 from extruding machine conveying lever 1 by electrical heating ring 2, makes it keep the plastic-coated temperature set, described extrusion head adapter sleeve 3 is circular, its endoporus and extruding machine conveying lever 1 small end cylindrical are slidably matched, its two ends endoporus has made internal thread respectively, one end internal thread is fixedly connected with the external screw thread of extruding machine conveying lever 1 delivery end, other end internal thread is fixedly connected with the external screw thread of extruding machine die body 7 input, the excircle of extruding machine conveying lever 1 link is done have ring-type arc groove, in order to install electrical heating ring 2, the excircle of extruding machine die body 7 link is done the axial line having this extrusion head adapter sleeve 3 of mistake, and the blind hole vertical with this extrusion head adapter sleeve 3 cylindrical bus, in order to plug-in mounting thermocouple 4, be used as automatically to control plastic-coated temperature, the bolt of falling T-shape that described core set bolt 5 makes endoporus in being, cylindrical makes two multidiameters, its endoporus is slidably matched with the half-finished diameter of primacord, its large end cylindrical is made external screw thread and is fixedly connected with the core retaining thread hole that extruding machine die body 7 is done, described core 6 is made and interiorly makes endoporus, cylindrical makes three sections of pyramidal structures, its endoporus and the half-finished diameter of primacord are slidably matched, its cylindrical small end is done to be set with into a cone shape in the horn-like endoporus of entrance mould 10, intermediate portion is divided into cylindric, the large end of its cylindrical is made tapered, cover and is loaded in the bellmouth of the bottom, core retaining thread hole of extruding machine die body 7, the tapering of the large end toper of this cylindrical is consistent with the tapering in lower taper hole, core retaining thread hole, tapering length unanimously, taper outside diameter 1-2mm larger than the diameter in lower taper hole, core retaining thread hole, described extruding machine die body 7 is made threeway bulk, makes coaxial four-step hole and a bellmouth respectively, do the retaining thread hole of core set bolt 5 from upper end face toward bottom surface successively from the upper end face of this threeway block through bottom surface, the bellmouth that suit core 6 is held greatly, two shoulder holes of suit mouth mould 10, the mouth mould fixed bolt hole of device mouth mould set bolt 11, the top, the left side of this threeway block is made the input of extruding machine die body 7, and this input cylindrical does there is external screw thread, be fixedly connected with extrusion head adapter sleeve 3 one end internal thread, coaxial with this input, turn right from the left side of this threeway block and make the inner stopper of device filter 8 successively, squeeze and melt passage---bellmouth and the cylindrical hole of plastics, this cylindrical hole and the four-step hole done from upper end face toward bottom surface and a bellmouth through, the upper end face of extruding machine die body 7 was done its left side input axial line, and the blind hole vertical with upper end face, in order to plug-in mounting thermocouple 4, made the four-step hole of extruding machine die body 7 and the axial line of a bellmouth in the input bottom on extruding machine die body 7 left side, and with extruding machine die body 7 input axis parallel, and pass the penetration type screwed hole of the large end endoporus of suit mouth mould 10, and another penetration type screwed hole vertical with this penetration type screwed hole, make a left side for extruding machine die body 7 bottom, right, before, rear formation four screwed holes, in order to install four mouth mould adjusting bolts 9, described filter 8 is circular filter plate, the inner stopper of the extruding machine conveying lever 1 of device filter 8 identical with the inner stopper diameter of extruding machine die body 7 input and with filter 8 external diameter interference fits, described mouth mould adjusting bolt 9 has four, penetrating in four, the left, right, front and rear screwed hole of extruding machine die body 7 bottom, in order to regulate the horn mouth of mouth mould 10 and the gap of core 6 taper small end from the left, right, front and rear four direction of mouth mould 10, making the plastic layer of plastic detonating cord plastic-coated even by regulating mouth mould adjusting bolt 9, it is three multidiameters that described mouth mould 10 is made cylindrical, endoporus is the structure that cylindrical hole adds bellmouth orifice, two shoulder hole matched in clearance of the device mouth mould 10 that two multidiameters of its large end cylindrical and extruding machine die body 7 are done, the cylindrical hole matched in clearance of its small end cylindrical and mouth mould set bolt 11, after the cylindrical hole of this mouthful of mould 10 and plastic detonating cord plastic-coated, finished diameter is slidably matched, its bellmouth orifice end diameter is consistent with its cylinder bore diameter, its bellmouth orifice outside diameter is that core 6 cylindrical cylinder diameter adds 6mm, its bellmouth orifice length is that core 6 small end taper length adds 10 mm, described mouth mould set bolt 11 is made that cylindrical is two multidiameters, endoporus is the structure that cylindrical hole adds bellmouth orifice, the large end of its cylindrical is made external screw thread and is coordinated with the mouth mould fixed bolt hole on extruding machine die body 7, Cylinder inner bore is made in externally threaded one end, the small end cylindrical matched in clearance of this Cylinder inner bore and mouth mould 10, the bellmouth orifice be connected with Cylinder inner bore is that after plastic detonating cord plastic-coated, finished product draws exit, two shoulder hole matched in clearance of device mouth mould 10 and the small end cylindrical of mouth mould 10 and mouth mould set bolt 11 Cylinder inner bore matched in clearance on two ladder cylindricals of described mouth mould 10 and extruding machine die body 7, its fit clearance is all unanimously 0.50mm, after primacord semi-finished product plastic-coated operation starts, primacord semi-finished product Sb is pulled and penetrates from the endoporus of core set bolt 5, through core 6 endoporus, when primacord semi-finished product Sb passes from core 6 small end, pushed into core 6, high temperature melt plastic coat one deck in mouth mould 10 horn mouth gap, when pulling out from the cylindrical hole of mouth mould 10 again, with regard to the size making the diameter of plastic detonating cord S reach setting, plastic detonating cord plastic coating thickness difference can be made to control at 0-0.02mm by regulating mouth mould adjusting bolt 9, reach product quality requirement, the plastic detonating cord S being pulled out is through bosh chilling, after sizing, become plastic detonating cord finished product by take-up pulley rolling, complete the work of plastic detonating cord plastic-coated.
The invention has the beneficial effects as follows: compact conformation of the present invention, reliable operation, easy to use, automatic coating, production efficiency is high, rate of reducing the number of rejects and seconds, coating uniform precision are high, strict guarantee product quality, significantly improve economic benefit.All plastic detonating cord manufacturing enterprises can be applied to, also be applicable to electric wire, cable manufacturing enterprise.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Detailed description of the invention
The invention will be further described to utilize drawings and Examples.
When the adjustable nose of plastic detonating cord plastic-coated extruding machine of the present invention is assembled, first extrusion head adapter sleeve 3 excircle will be done have one end of ring-type arc groove and electrical heating ring 2 to assemble, again the internal thread of this end is fixedly connected with the external screw thread on extruding machine conveying lever 1, the inner stopper of extruding machine conveying lever 1 delivery end installs filter 8, then the external screw thread of the internal thread of extrusion head adapter sleeve 3 other end with extruding machine die body 7 left side input is connected, extruding machine die body 7 from end face through bottom surface do in coaxial four-step hole and a bellmouth, first down load core 6 from upper end face, core 6 is made to hold greatly the bellmouth of taper seat and bottom, core retaining thread hole to closely cooperate, core set bolt 5 is loaded again in core retaining thread hole, make it to be fastenedly connected, again from the first loading port mould 10 of bottom surface, again to loading port mould set bolt 11 in mouth mould retaining thread hole, the elasticity of adjustment mouth mould set bolt 11, again left, right, before, loading port mould adjusting bolt 9 in rear four screwed holes, make adjustment mouth mould adjusting bolt 9, mouth mould 10 can be left, right, before, rear movement, thermocouple 4 plug-in mounting is entered in the blind hole that extrusion head adapter sleeve 3 and extruding machine die body 7 excircle are done, electrical heating ring 2 and thermocouple 4 are connected with the electric cabinet on extruding machine, finally finely tuned by extruding machine die body 7, make core 6, the axial line of mouth mould 10 is in level, so far the adjustable nose of plastic detonating cord plastic-coated extruding machine has been assembled.After primacord semi-finished product plastic-coated operation starts, primacord semi-finished product Sb is pulled and penetrates from the endoporus of core set bolt 5, through core 6 endoporus, when primacord semi-finished product Sb passes from core 6 small end, pushed into core 6, high temperature melt plastic coat one deck in mouth mould 10 horn mouth gap, when pulling out from the cylindrical hole of mouth mould 10 again, with regard to the size making the diameter of plastic detonating cord S reach setting, plastic detonating cord plastic coating thickness difference can be made to control at 0-0.02mm by regulating mouth mould adjusting bolt 9, reach product quality requirement, the plastic detonating cord S being pulled out is through bosh chilling, after sizing, become plastic detonating cord finished product by take-up pulley rolling, complete the work of plastic detonating cord plastic-coated.
Compact conformation of the present invention, reliable operation, easy to use, automatic coating, production efficiency is high, rate of reducing the number of rejects and seconds, coating uniform precision are high, strict guarantee product quality, significantly improve economic benefit.All plastic detonating cord manufacturing enterprises can be applied to, also be applicable to electric wire, cable manufacturing enterprise.
Claims (1)
1. the adjustable nose of plastic detonating cord plastic-coated extruding machine, it is characterized in that: the adjustable nose of this plastic detonating cord plastic-coated extruding machine is fixedly connected with mouth mould by the extruding machine die body of plastic detonating cord plastic-coated extruding machine to change floating connection into, comprise extruding machine conveying lever (1), electrical heating ring (2), extrusion head adapter sleeve (3), thermocouple (4), core set bolt (5), core (6), extruding machine die body (7), filter (8), mouth mould adjusting bolt (9), mouth mould (10), mouth mould set bolt (11), described extruding machine conveying lever (1) is contained on extruding machine body, the delivery end endoporus of this extruding machine conveying lever (1) is the passage of conveying plastics, its endoporus termination does there is inner stopper in order to install filter (8), its cylindrical is made two ladder circular shaft shapes, the endoporus of little cylindrical and extrusion head adapter sleeve (3) is slidably matched, large outer nose circle does there is external screw thread, in order to be fixedly connected with the internal thread of extrusion head adapter sleeve (3), the electrical heating ring that described electrical heating ring (2) is ring-type, given the thawing plastic heating insulation being pushed to extrusion head adapter sleeve (3) from extruding machine conveying lever (1) by electrical heating ring (2), make it keep the plastic-coated temperature set, described extrusion head adapter sleeve (3) is for circular, its endoporus and extruding machine conveying lever (1) small end cylindrical are slidably matched, its two ends endoporus has made internal thread respectively, one end internal thread is fixedly connected with the external screw thread of extruding machine conveying lever (1) delivery end, other end internal thread is fixedly connected with the external screw thread of extruding machine die body (7) input, the excircle of extruding machine conveying lever (1) link is done have ring-type arc groove, in order to install electrical heating ring (2), the excircle of extruding machine die body (7) link is done the axial line having this extrusion head adapter sleeve (3) of a mistake, and the blind hole vertical with this extrusion head adapter sleeve (3) cylindrical bus, in order to plug-in mounting thermocouple (4), be used as automatically to control plastic-coated temperature, the bolt of falling T-shape that described core set bolt (5) makes endoporus in being, cylindrical makes two multidiameters, its endoporus is slidably matched with the half-finished diameter of primacord, its large end cylindrical is made external screw thread and gone up with extruding machine die body (7) the core retaining thread hole done and be fixedly connected with, described core (6) is made interiorly makes endoporus, cylindrical makes three sections of pyramidal structures, its endoporus and the half-finished diameter of primacord are slidably matched, its cylindrical small end is done to be set with into a cone shape in the horn-like endoporus of entrance mould (10), intermediate portion is divided into cylindric, the large end of its cylindrical is done tapered, cover loads in the bellmouth of the bottom, core retaining thread hole of extruding machine die body (7), the tapering of the large end toper of this cylindrical is consistent with the tapering in lower taper hole, core retaining thread hole, taper length is consistent, taper outside diameter 1-2mm larger than the diameter in lower taper hole, core retaining thread hole, described extruding machine die body (7) is made threeway bulk, coaxial four-step hole and a bellmouth is made respectively through bottom surface from the upper end face of this threeway block, the retaining thread hole of core set bolt (5) is done successively from upper end face toward bottom surface, the bellmouth that suit core (6) is held greatly, two shoulder holes of suit mouth mould (10), the mouth mould fixed bolt hole of device mouth mould set bolt (11), the top, the left side of this threeway block is made the input of extruding machine die body (7), this input cylindrical does there is external screw thread, be fixedly connected with extrusion head adapter sleeve (3) one end internal thread, coaxial with this input, turn right from the left side of this threeway block and make the inner stopper of device filter (8) successively, squeeze the passage---bellmouth and the cylindrical hole that melt plastics, this cylindrical hole and the four-step hole to do from upper end face toward bottom surface and a bellmouth through, the upper end face of extruding machine die body (7) was done its left side input axial line, and the blind hole vertical with upper end face, in order to plug-in mounting thermocouple (4), the four-step hole of extruding machine die body (7) and the axial line of a bellmouth was made in the input bottom on extruding machine die body (7) left side, and with extruding machine die body (7) input axis parallel, and pass the penetration type screwed hole of the large end endoporus of suit mouth mould (10), and another penetration type screwed hole vertical with this penetration type screwed hole, make a left side for extruding machine die body (7) bottom, right, before, rear formation four screwed holes, in order to install four mouth mould adjusting bolts (9), described filter (8) is circular filter plate, the inner stopper of the extruding machine conveying lever (1) of device filter (8) identical with the inner stopper diameter of extruding machine die body (7) input and with filter (8) external diameter interference fits, described mouth mould adjusting bolt (9) has four, penetrating in four, the left, right, front and rear screwed hole of extruding machine die body (7) bottom, in order to regulate the horn mouth of mouth mould (10) and the gap of core (6) taper small end from the left, right, front and rear four direction of mouth mould (10), making the plastic layer of plastic detonating cord plastic-coated even by regulating mouth mould adjusting bolt (9), it is three multidiameters that described mouth mould (10) is made cylindrical, endoporus is the structure that cylindrical hole adds bellmouth orifice, two shoulder hole matched in clearance of the device mouth mould (10) that two multidiameters of its large end cylindrical and extruding machine die body (7) are done, the cylindrical hole matched in clearance of its small end cylindrical and mouth mould set bolt (11), after the cylindrical hole of this mouthful of mould (10) and plastic detonating cord plastic-coated, finished diameter is slidably matched, its bellmouth orifice end diameter is consistent with its cylinder bore diameter, its bellmouth orifice outside diameter is that core (6) cylindrical cylinder diameter adds 6mm, its bellmouth orifice length is that core (6) small end taper length adds 10 mm, described mouth mould set bolt (11) is made that cylindrical is two multidiameters, endoporus is the structure that cylindrical hole adds bellmouth orifice, the large end of its cylindrical is made external screw thread and is coordinated with the mouth mould fixed bolt hole on extruding machine die body (7), Cylinder inner bore is made in externally threaded one end, the small end cylindrical matched in clearance of this Cylinder inner bore and mouth mould (10), the bellmouth orifice be connected with Cylinder inner bore is that after plastic detonating cord plastic-coated, finished product draws exit, the upper two shoulder hole matched in clearance of device mouth mould (10) of two ladder cylindricals of described mouth mould (10) and extruding machine die body (7) and the small end cylindrical of mouth mould (10) and mouth mould set bolt (11) Cylinder inner bore matched in clearance, its fit clearance is all unanimously 0.50mm, after primacord semi-finished product plastic-coated operation starts, primacord semi-finished product (Sb) are pulled and penetrate from the endoporus of core set bolt (5), through core (6) endoporus, when primacord semi-finished product (Sb) pass from core (6) small end, pushed into core (6), high temperature melt plastic coat one deck in mouth mould (10) horn mouth gap, when pulling out from the cylindrical hole of mouth mould (10) again, with regard to the size making the diameter of plastic detonating cord (S) reach setting, plastic detonating cord plastic coating thickness difference can be made to control at 0-0.02mm by regulating mouth mould adjusting bolt (9), reach product quality requirement, the plastic detonating cord (S) being pulled out is through bosh chilling, after sizing, become plastic detonating cord finished product by take-up pulley rolling, complete the work of plastic detonating cord plastic-coated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372818.7A CN103128948B (en) | 2012-09-29 | 2012-09-29 | Adjustable nose for plastic detonating cord plastic coating and extruding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372818.7A CN103128948B (en) | 2012-09-29 | 2012-09-29 | Adjustable nose for plastic detonating cord plastic coating and extruding machine |
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| CN103128948A CN103128948A (en) | 2013-06-05 |
| CN103128948B true CN103128948B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210372818.7A Active CN103128948B (en) | 2012-09-29 | 2012-09-29 | Adjustable nose for plastic detonating cord plastic coating and extruding machine |
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Families Citing this family (1)
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| CN104167260B (en) * | 2014-08-06 | 2016-08-24 | 山东省农业机械科学研究院 | Cable extrusion test run technique |
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| DE19546823C2 (en) * | 1995-12-15 | 2001-08-30 | Oeps Gmbh | Method and device for producing ignition hoses |
| CN202088428U (en) * | 2011-06-09 | 2011-12-28 | 深圳市沃尔核材股份有限公司 | Adjustment-free extruding machine head |
| CN102615805A (en) * | 2012-03-22 | 2012-08-01 | 大连理工大学 | Right-angle extrusion die for multi-cavity plastic micro-pipe |
| CN102675013A (en) * | 2012-06-01 | 2012-09-19 | 湖北帅力化工有限公司 | Convenient probe of detonating fuse manufacturing machine |
| CN202911113U (en) * | 2012-09-29 | 2013-05-01 | 湖北帅力化工有限公司 | Adjustable machine head of plastic coating and extruding machine for plastic detonating cord |
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2012
- 2012-09-29 CN CN201210372818.7A patent/CN103128948B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105698A (en) * | 1985-07-04 | 1987-05-20 | 诺贝尔炸药公司 | Means of defence when sealing temperature-sensitive or pressure sensitive |
| US4817673A (en) * | 1986-05-08 | 1989-04-04 | Atlas Powder Company | Fuse tube with reinforcing element |
| DE19546823C2 (en) * | 1995-12-15 | 2001-08-30 | Oeps Gmbh | Method and device for producing ignition hoses |
| CN202088428U (en) * | 2011-06-09 | 2011-12-28 | 深圳市沃尔核材股份有限公司 | Adjustment-free extruding machine head |
| CN102615805A (en) * | 2012-03-22 | 2012-08-01 | 大连理工大学 | Right-angle extrusion die for multi-cavity plastic micro-pipe |
| CN102675013A (en) * | 2012-06-01 | 2012-09-19 | 湖北帅力化工有限公司 | Convenient probe of detonating fuse manufacturing machine |
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| CN103128948A (en) | 2013-06-05 |
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