CN109591255A - A kind of integrally formed method of achievable prepreg mould pressing process richness resin boss - Google Patents
A kind of integrally formed method of achievable prepreg mould pressing process richness resin boss Download PDFInfo
- Publication number
- CN109591255A CN109591255A CN201811209244.5A CN201811209244A CN109591255A CN 109591255 A CN109591255 A CN 109591255A CN 201811209244 A CN201811209244 A CN 201811209244A CN 109591255 A CN109591255 A CN 109591255A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- resin
- integrally formed
- pressing process
- achievable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 title claims abstract description 76
- 229920005989 resin Polymers 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000003825 pressing Methods 0.000 title claims abstract description 25
- 229920013657 polymer matrix composite Polymers 0.000 claims abstract description 13
- 239000011160 polymer matrix composite Substances 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims abstract description 8
- 230000008023 solidification Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of achievable prepreg mould pressing process richness resin boss integrally formed method, comprising the following steps: processes the sliding block of specific shape according to the size and shape of rich resin boss to be formed, injecting hole is arranged on the sliding block；It is processed in the upper mold of mold and the consistent groove of the size and shape of the sliding block；The sliding block is placed in the groove in upper mold；The lower die of the upper mold for placing sliding block and mold is molded, resin is then injected by injecting hole；After the completion of injection molding, heating mould makes resin solidification；Demoulding, it is cooling, sliding block is removed to get the polymer matrix composites with rich resin boss are arrived.Method provided by the invention solves the problems, such as that rich resin boss of various shapes, simple process and low cost can be processed as needed using that can not form rich resin platform when prepreg mould pressing process since prepreg resin content itself is limited.
Description
Technical field
The present invention relates to rich resin material processing technique field more particularly to a kind of achievable prepreg mould pressing process richness trees
The integrally formed method of rouge boss.
Background technique
As Advanced Resin-based Composites are gradually generalized to the fields such as automobile, building, rail traffic by aviation, for it
Low cost, the demand quickly manufactured are further urgent, while more and more labyrinths are manufactured using polymer matrix composites, mesh
Before, common composite material process planning has: compression molding, autoclave molding, RTM liquid condition shaping etc..Applied to body structure
Carbon fiber composite resin material part, carry some protruding features, such as positioning column, interior trim clamping structure at the time of molding, for
The effect of subsequent assembling link is very big, but generally only RTM liquid condition shaping technique can be realized, for prepreg mould pressing process, by
It is limited in prepreg resin content itself, the resin platform of certain height can not be formed, at present there is no good solutions.
Summary of the invention
In view of this, the present invention provides a kind of integrally formed sides of achievable prepreg mould pressing process richness resin boss
Method, this method can form the rich resin boss of specific shape on polymer matrix composites, meet industrial requirements.
The present invention provides a kind of achievable prepreg mould pressing process richness resin boss integrally formed method, including following step
It is rapid:
S1, according to the size and shape of rich resin boss to be formed process with the consistent sliding block of its size and shape,
Injecting hole is set on the sliding block；
S2 is processed and the consistent groove of the shape and size of the sliding block in the upper mold of mold；
The sliding block is placed in the groove in upper mold by S3；
The lower die of the upper mold for placing sliding block and mold is molded, then injects resin by injecting hole by S4；
S5, after the completion of injection molding, heating mould makes resin solidification；；
S6 is demoulded, cooling, is removed the sliding block to get to the polymer matrix composites with rich resin boss, is realized preimpregnation
Expect that mould pressing process richness resin boss is integrally formed.
Further, in step S1, the inside of the sliding block is hollow structure, and the bottom end of the sliding block is open, the cunning
The top of block is equipped with the first aperture and second orifice, and first aperture and second orifice are used to be vented and excessive glue.
Further, the center on the top of sliding block is arranged in the injecting hole.
Further, in step S4, upper mold and lower die are preheated to 28-40 DEG C after molding.
Further, in step S6, the process of demoulding are as follows: first separate upper die and lower die, then separate sliding block to get rich to band
The polymer matrix composites of resin boss.
Further, in step S1, the sliding block is made by heat resisting and pressure resisting material.
Further, release agent is coated in the upper die and lower die and sliding block.
Further, the release agent selects oleic acid, paraffin, stearic acid, silicone grease release agent, organic silicone oil release agent, hard
Any one of resin acid zinc, silicone grease or silicon rubber.
Technical solution provided by the invention has the benefit that method provided by the invention in prepreg mould pressing process
In the process, by upper mold processing and rich resin boss size, the consistent groove of shape, and process one with boss size,
The consistent sliding block of shape, sliding block and groove cooperate so that in injection moulding process rich resin boss and polymer matrix composites one at
Type；Method provided by the invention efficiently solve using when prepreg mould pressing process due to the limited nothing of prepreg resin content itself
Method forms the problem of rich resin platform, can process rich resin boss of various shapes, simple process and low cost as needed.
Detailed description of the invention
Fig. 1 is a kind of process signal of the integrally formed method of achievable prepreg mould pressing process richness resin boss of the invention
Figure.
Fig. 2 is a kind of principle signal of the integrally formed method of achievable prepreg mould pressing process richness resin boss of the invention
Figure.
Fig. 3 is the top view of sliding block made from the embodiment of the present invention 1.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
Referring to FIG. 1, the embodiment provides a kind of achievable prepreg mould pressing process richness resin boss one
Molding method, comprising the following steps:
Step S1 is processed and its size, the consistent cunning of shape according to the size and shape of rich resin boss to be formed
Block, the inside of sliding block are hollow structure, and injecting hole is arranged in the center on the top of sliding block, and it is small that the top of sliding block is additionally provided with first
The bottom end of hole and second orifice, sliding block is open, and sliding block is made by heat resisting and pressure resisting material.
Step S2 is processed and the consistent groove of the size and shape of sliding block in the upper mold of the mold used.
Sliding block made from step S1 is placed in the groove in the upper mold of step S2 processing, sliding block and groove by step S3
Fitting.
The lower die of the upper mold for placing sliding block and mold is molded, upper mold and lower die is then preheated to 28-40 by step S4
DEG C, then resin is injected by injecting hole, pass through the first aperture and second orifice exhaust and excessive glue in injection moulding process.
Step S5, when the first aperture and second orifice have resin spilling, injection molding is completed, and clears up the resin of spilling, then
Heating mould makes resin solidification, i.e., the temperature of mold is promoted to the temperature of prepreg solidifying requirements to realize by certain way
The solidification of product.
Step S6, after the completion of molding, demoulding is cooled to room temperature, and removes sliding block to get the resin base with rich resin boss is arrived
Composite material, to realize that prepreg mould pressing process richness resin boss is integrally formed；The process of demoulding are as follows: first separate upper mold under
Mould, then separate sliding block,
It in above-mentioned steps, demoulds for convenience, the coating release agent in upper die and lower die and sliding block, release agent selects oleic acid, stone
Any one of wax, stearic acid, silicone grease release agent, organic silicone oil release agent, zinc stearate, silicone grease or silicon rubber.
It is that a kind of principle of polymer matrix composites integral formation method with boss of the invention is illustrated with reference to Fig. 2
Scheme, in Fig. 2,1 is upper mold, and 11 be groove, and 2 be lower die, and 3 be sliding block, and 31 be injecting hole, and 32 be the first aperture, and 32 is small for second
Hole.
Below with reference to embodiment to a kind of polymer matrix composites integral formation method with boss provided by the invention into
Row is described in detail.
Embodiment 1:
Go out the sliding block that an inside is hollow structure, bottom end opening according to the dimensioned of rich resin boss to be formed,
And injecting hole is set in the center on the top of sliding block, in the two sides on the top of sliding block, the first aperture and second orifice are set,
The structure of sliding block is as shown in Figures 2 and 3, and Fig. 3 is the top view of sliding block made from embodiment 1；Add in the upper mold of the mold used
Work goes out the consistent groove of size, shape with sliding block；Sliding block is placed in groove, sliding block is bonded with groove；Sliding block will be placed
Upper mold and the lower die of mold mold, upper mold and lower die are then preheated to 29 DEG C, then by injecting hole injection resin, be molded
Pass through the first aperture and second orifice exhaust and excessive glue in journey；When the first aperture and second orifice have resin spilling, it has been molded
At clearing up the resin of spilling, then heating mould makes resin solidification, after the completion of molding, first separates upper die and lower die, then remove cunning
Block then cools to room temperature to get the polymer matrix composites with rich resin boss are arrived.
Release agent used in Example 1 is silicone grease release agent.
Embodiment 2:
Go out the sliding block that an inside is hollow structure, bottom end opening according to the dimensioned of rich resin boss to be formed,
And injecting hole is set in the center on the top of sliding block, in the two sides on the top of sliding block, the first aperture and second orifice are set；
It is processed in the upper mold of the mold used and the size of sliding block, the consistent groove of shape；Sliding block is placed in groove, sliding block
It is bonded with groove；The lower die of the upper mold for placing sliding block and mold is molded, upper mold and lower die are then preheated to 32 DEG C, then pass through
Injecting hole injects resin, passes through the first aperture and second orifice exhaust and excessive glue in injection moulding process；When the first aperture and second small
When there is resin spilling in hole, injection molding is completed, and the resin of spilling is cleared up, and then heating mould makes resin solidification,；After the completion of molding, first
Upper die and lower die are separated, then remove sliding block, are then cooled to room temperature to get the polymer matrix composites with rich resin boss are arrived.
The release agent used in embodiment 2 is paraffin.
Embodiment 3:
Go out the sliding block that an inside is hollow structure, bottom end opening according to the dimensioned of rich resin boss to be formed,
And injecting hole is set in the center on the top of sliding block, in the two sides on the top of sliding block, the first aperture and second orifice are set；
It is processed in the upper mold of the mold used and the size of sliding block, the consistent groove of shape；Sliding block is placed in groove, sliding block
It is bonded with groove；The lower die of the upper mold for placing sliding block and mold is molded, upper mold and lower die are then preheated to 38 DEG C, then pass through
Injecting hole injects resin, passes through the first aperture and second orifice exhaust and excessive glue in injection moulding process；When the first aperture and second small
When there is resin spilling in hole, injection molding is completed, and clears up the resin of spilling, then heating mould makes resin solidification；After the completion of molding, first divide
From upper die and lower die, then sliding block is removed, then cooled to room temperature to get the polymer matrix composites with rich resin boss are arrived.
The release agent used in embodiment 3 is oleic acid.
Method provided by the invention is during prepreg mould pressing process, by upper mold processing and rich resin boss ruler
Very little, the consistent groove of shape, and one and boss size, the consistent sliding block of shape are processed, sliding block cooperates with groove so that infusing
Rich resin boss and polymer matrix composites are integrally formed during modeling；Method provided by the invention is efficiently solved using preimpregnation
Due to prepreg resin content limited the problem of can not forming rich resin platform itself when material mould pressing process, can process as needed
Rich resin boss of various shapes out, simple process and low cost.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of integrally formed method of achievable prepreg mould pressing process richness resin boss, which is characterized in that including following step
It is rapid:
S1, according to the size and shape of rich resin boss to be formed process with the consistent sliding block of its size and shape, it is described
Injecting hole is set on sliding block；
S2 is processed and the consistent groove of the shape and size of the sliding block in the upper mold of mold；
The sliding block is placed in the groove in upper mold by S3；
The lower die of the upper mold for placing sliding block and mold is molded, then injects resin by injecting hole by S4；
S5, after the completion of injection molding, heating mould makes resin solidification；
S6 is demoulded, cooling, is removed the sliding block to get to the polymer matrix composites with rich resin boss, is realized prepreg mould
Technique richness resin boss is pressed to be integrally formed.
2. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In in step S1, the inside of the sliding block is hollow structure, and the bottom end of the sliding block is open, and the top of the sliding block is equipped with the
One aperture and second orifice, first aperture and second orifice are used to be vented and excessive glue.
3. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In the center on the top of sliding block is arranged in the injecting hole.
4. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In upper mold and lower die are preheated to 28-40 DEG C after molding in step S4.
5. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In, in step S6, the process of demoulding are as follows: first separate upper die and lower die, then separate sliding block to get the resin with rich resin boss is arrived
Based composites.
6. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In in step S1, the sliding block is made by heat resisting and pressure resisting material.
7. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as described in claim 1
In being coated with release agent in the upper die and lower die and sliding block.
8. the achievable integrally formed method of prepreg mould pressing process richness resin boss, feature exist as claimed in claim 7
In the release agent selects oleic acid, paraffin, stearic acid, silicone grease release agent, organic silicone oil release agent, zinc stearate, silicone grease or silicon
Any one of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209244.5A CN109591255A (en) | 2018-10-17 | 2018-10-17 | A kind of integrally formed method of achievable prepreg mould pressing process richness resin boss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209244.5A CN109591255A (en) | 2018-10-17 | 2018-10-17 | A kind of integrally formed method of achievable prepreg mould pressing process richness resin boss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109591255A true CN109591255A (en) | 2019-04-09 |
Family
ID=65958173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209244.5A Pending CN109591255A (en) | 2018-10-17 | 2018-10-17 | A kind of integrally formed method of achievable prepreg mould pressing process richness resin boss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109591255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278114A (en) * | 2020-10-23 | 2021-01-29 | 黄冈格罗夫氢能汽车有限公司 | Positioning structure of hydrogen energy automobile carbon fiber composite part |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0547625A1 (en) * | 1991-12-18 | 1993-06-23 | Sumitomo Chemical Company, Limited | Fiber reinforced thermoplastic resin shaped article and its preparation |
| EP0688650A1 (en) * | 1994-01-13 | 1995-12-27 | Citizen Watch Co. Ltd. | Method of resin-sealing semiconductor devices |
| JPH08244074A (en) * | 1995-03-09 | 1996-09-24 | Shinko Electric Ind Co Ltd | Mold apparatus for resin sealing |
| US20020167113A1 (en) * | 2000-03-15 | 2002-11-14 | Patent Holding Company | System for co-molding a thermoplastic material with a thermoplastic sandwich material and article produced thereby |
| US20080185755A1 (en) * | 2005-02-09 | 2008-08-07 | Todd Deaville | Method of Manufacturing a semi-Structural Panel |
| CN100521128C (en) * | 2005-07-13 | 2009-07-29 | 首尔半导体株式会社 | Mold for forming a molding member and method of fabricating a molding member using the same |
| CN108778661A (en) * | 2016-03-24 | 2018-11-09 | 本田技研工业株式会社 | FRP stamped from sheetstock forming method and device and FRP molded products |
-
2018
- 2018-10-17 CN CN201811209244.5A patent/CN109591255A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0547625A1 (en) * | 1991-12-18 | 1993-06-23 | Sumitomo Chemical Company, Limited | Fiber reinforced thermoplastic resin shaped article and its preparation |
| EP0688650A1 (en) * | 1994-01-13 | 1995-12-27 | Citizen Watch Co. Ltd. | Method of resin-sealing semiconductor devices |
| JPH08244074A (en) * | 1995-03-09 | 1996-09-24 | Shinko Electric Ind Co Ltd | Mold apparatus for resin sealing |
| US20020167113A1 (en) * | 2000-03-15 | 2002-11-14 | Patent Holding Company | System for co-molding a thermoplastic material with a thermoplastic sandwich material and article produced thereby |
| US20080185755A1 (en) * | 2005-02-09 | 2008-08-07 | Todd Deaville | Method of Manufacturing a semi-Structural Panel |
| CN100521128C (en) * | 2005-07-13 | 2009-07-29 | 首尔半导体株式会社 | Mold for forming a molding member and method of fabricating a molding member using the same |
| CN108778661A (en) * | 2016-03-24 | 2018-11-09 | 本田技研工业株式会社 | FRP stamped from sheetstock forming method and device and FRP molded products |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278114A (en) * | 2020-10-23 | 2021-01-29 | 黄冈格罗夫氢能汽车有限公司 | Positioning structure of hydrogen energy automobile carbon fiber composite part |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190409 |