JPS56501237A - - Google Patents

Info

Publication number: JPS56501237A
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.): Pending

Application number

JP50201980A

Other languages

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.)

1979-09-28

Filing date

1980-09-09

Publication date

1981-09-03

1980-09-09 Application filed filed Critical

1981-09-03 Publication of JPS56501237A publication Critical patent/JPS56501237A/ja

Status Pending legal-status Critical Current

Links

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
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
- 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
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Meat, Egg Or Seafood Products (AREA)

JP50201980A 1979-09-28 1980-09-09 Pending JPS56501237A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO793128A NO793128L (no)	1979-09-28	1979-09-28	Anordning for ekstrudering av roer.

Publications (1)

Publication Number	Publication Date
JPS56501237A true JPS56501237A (fr)	1981-09-03

Family

ID=19885063

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP50201980A Pending JPS56501237A (fr)	1979-09-28	1980-09-09

Country Status (11)

Country	Link
EP (1)	EP0035999A1 (fr)
JP (1)	JPS56501237A (fr)
AR (1)	AR222724A1 (fr)
BE (1)	BE885352A (fr)
BR (1)	BR8008849A (fr)
DK (1)	DK226781A (fr)
FI (1)	FI802996A7 (fr)
IT (1)	IT1154744B (fr)
NO (1)	NO793128L (fr)
RO (1)	RO88508A (fr)
WO (1)	WO1981000823A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2212256B (en) *	1987-11-12	1992-04-22	James Gray	Improvements in and relating to heat exchangers
WO2016005810A1 (fr) *	2014-07-10	2016-01-14	Zehnder Group International Ag	Batterie de tubes pour radiateur de chauffage ou radiateur de refroidissement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB618536A (en) *	1946-07-30	1949-02-23	Bx Plastics Ltd	Improvements in or relating to extrusion apparatus
FR1308929A (fr) *	1961-12-26	1962-11-09	Union Carbide Corp	Tubes à ailettes, et leur procédé de fabrication
US3496605A (en) *	1965-10-26	1970-02-24	Yasuyoshi Onaka	Apparatus for extruding ribbed plastic pipe
CH472957A (de) *	1967-04-26	1969-05-31	Agk Betr Sgesellschaft Ag	Aus Kunststoff bestehendes Sicker- oder Drainage-Rohr, Verfahren zur Herstellung eines solchen Rohres und Einrichtung zur Ausführung des Verfahrens
JPS5240337B2 (fr) *	1973-01-29	1977-10-12
US4053274A (en) *	1975-01-28	1977-10-11	Lemelson Jerome H	Tube wall forming apparatus

1979
- 1979-09-28 NO NO793128A patent/NO793128L/no unknown
1980
- 1980-09-09 WO PCT/NO1980/000028 patent/WO1981000823A1/fr not_active Ceased
- 1980-09-09 JP JP50201980A patent/JPS56501237A/ja active Pending
- 1980-09-09 BR BR8008849A patent/BR8008849A/pt unknown
- 1980-09-23 FI FI802996A patent/FI802996A7/fi not_active Application Discontinuation
- 1980-09-24 BE BE2/58760A patent/BE885352A/nl not_active IP Right Cessation
- 1980-09-25 AR AR282657A patent/AR222724A1/es active
- 1980-09-26 IT IT83441/80A patent/IT1154744B/it active
1981
- 1981-04-08 EP EP80901700A patent/EP0035999A1/fr not_active Withdrawn
- 1981-05-22 DK DK226781A patent/DK226781A/da not_active Application Discontinuation
- 1981-05-27 RO RO81104420A patent/RO88508A/fr unknown

Also Published As

Publication number	Publication date
EP0035999A1 (fr)	1981-09-23
WO1981000823A1 (fr)	1981-04-02
FI802996A7 (fi)	1981-01-01
AR222724A1 (es)	1981-06-15
BR8008849A (pt)	1981-07-21
RO88508A (fr)	1986-02-28
IT1154744B (it)	1987-01-21
DK226781A (da)	1981-05-22
IT8083441A0 (it)	1980-09-26
BE885352A (nl)	1981-01-16
NO793128L (no)	1981-03-31

Publication	Publication Date	Title
FR2446167B3 (fr)	1982-07-30
FR2449334B1 (fr)	1984-12-14
DE3050976A1 (fr)	1985-05-15
JPS55157321U (fr)	1980-11-12
FR2446533B1 (fr)	1983-07-01
FR2445789B1 (fr)	1984-04-27
FR2479320B1 (fr)	1984-04-20
FR2447650B1 (fr)	1984-01-13
FR2447800B1 (fr)	1983-02-25
FR2447423B3 (fr)	1981-10-30
GR70306B (fr)	1982-09-07
JPS55107026U (fr)	1980-07-26
JPS55118904U (fr)	1980-08-22
JPS56501237A (fr)	1981-09-03
JPS55133922U (fr)	1980-09-22
FR2445691B1 (fr)	1985-04-05
FR2446688B1 (fr)	1983-01-28
JPS55113268U (fr)	1980-08-09
JPS55153268U (fr)	1980-11-05
JPS55127709U (fr)	1980-09-09
FR2426639B3 (fr)	1982-06-11
FR2448485B1 (fr)	1983-03-18
FR2449339B1 (fr)	1982-09-10
JPS55138168U (fr)	1980-10-02
JPS55124637U (fr)	1980-09-04