JPS5538659Y2 - - Google Patents

Info

Publication number: JPS5538659Y2
Authority: JP; Japan
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.): Expired

Application number

JP1976109875U

Other languages

Other versions

Priority date (The priority date 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 date listed.)

1976-08-16

Filing date

1976-08-16

Publication date

1980-09-10

1976-08-16 Application filed filed Critical

1976-08-16 Priority to JP1976109875U priority Critical patent/JPS5538659Y2/ja

1978-03-10 Publication of JPS5328263U publication Critical patent/JPS5328263U/ja

1980-09-10 Application granted granted Critical

1980-09-10 Publication of JPS5538659Y2 publication Critical patent/JPS5538659Y2/ja

Status Expired legal-status Critical Current

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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

JP1976109875U 1976-08-16 1976-08-16 Expired JPS5538659Y2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP1976109875U JPS5538659Y2 (en)	1976-08-16	1976-08-16

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1976109875U JPS5538659Y2 (en)	1976-08-16	1976-08-16

Publications (2)

Publication Number	Publication Date
JPS5328263U JPS5328263U (en)	1978-03-10
JPS5538659Y2 true JPS5538659Y2 (en)	1980-09-10

Family

ID=28719776

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1976109875U Expired JPS5538659Y2 (en)	1976-08-16	1976-08-16

Country Status (1)

Country	Link
JP (1)	JPS5538659Y2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4465449A (en) *	1982-12-06	1984-08-14	Borg-Warner Chemicals, Inc.	Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
JPS61196050A (en) *	1985-02-26	1986-08-30	日本コンクリ−ト工業株式会社	Eccentric prestressed synthetic beam
JPH0723638B2 (en) *	1985-08-14	1995-03-15	オリエンタル建設株式会社	PC hollow structural member
JPH0192412U (en) *	1987-12-11	1989-06-16
JPH0728270Y2 (en) *	1990-03-26	1995-06-28	至郎美坂	PC concrete pillar for rebar

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4814672U (en) *	1971-06-25	1973-02-19
JPS4873463A (en) *	1971-12-29	1973-10-03

1976
- 1976-08-16 JP JP1976109875U patent/JPS5538659Y2/ja not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4814672U (en) *	1971-06-25	1973-02-19
JPS4873463A (en) *	1971-12-29	1973-10-03

Also Published As

Publication number	Publication date
JPS5328263U (en)	1978-03-10

Publication	Publication Date	Title
FR2348585B1 (en)	1980-06-27
JPS5538659Y2 (en)	1980-09-10
FR2352821B1 (en)	1981-07-03
JPS5611224Y2 (en)	1981-03-13
JPS5554728Y2 (en)	1980-12-18
JPS531431U (en)	1978-01-09
JPS5445309Y2 (en)	1979-12-25
JPS5529496Y2 (en)	1980-07-14
JPS5610625Y2 (en)	1981-03-10
JPS5334910Y2 (en)	1978-08-26
JPS5637772Y2 (en)	1981-09-04
JPS5722170Y2 (en)	1982-05-14
JPS5419595B2 (en)	1979-07-16
JPS5389026U (en)	1978-07-21
JPS52166781U (en)	1977-12-17
JPS52161750U (en)	1977-12-08
CS175927B1 (en)	1977-05-31
DD124814A1 (en)	1977-03-16
CH597025A5 (en)	1978-03-31
DD125265A1 (en)	1977-04-13
DD125263A1 (en)	1977-04-13
DD125106A1 (en)	1977-04-06
DD124900A1 (en)	1977-03-23
DD124080A1 (en)	1977-02-02
DD124779A1 (en)	1977-03-16