NO792871L - Ekspanderbar dor for anvendelse ved oppbygning av roer - Google Patents

Ekspanderbar dor for anvendelse ved oppbygning av roer

Info

Publication number: NO792871L
Authority: NO; Norway
Prior art keywords: mandrel; sleeve; pipe; pipe sleeve; plastic
Prior art date: 1978-09-06

Application number

NO792871A

Other languages

English (en)

Norwegian (no)

Inventor

Stig Ove Mauritz Ekstroem

Original Assignee

Ekstroem & Co H A B

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.)

1978-09-06

Filing date

1979-09-05

Publication date

1980-03-07

1979-09-05 Application filed by Ekstroem & Co H A B filed Critical Ekstroem & Co H A B

1980-03-07 Publication of NO792871L publication Critical patent/NO792871L/no

Links

239000004033 plastic Substances 0.000 claims description 29
238000010276 construction Methods 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 5
230000008602 contraction Effects 0.000 claims description 4
239000000463 material Substances 0.000 claims description 2
239000002990 reinforced plastic Substances 0.000 description 3
229920001187 thermosetting polymer Polymers 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
238000005452 bending Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
239000010959 steel Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
- B29C33/485—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling cores or mandrels
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
- B29C53/824—Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles
- 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
- B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)
Moulding By Coating Moulds (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Lining Or Joining Of Plastics Or The Like (AREA)

NO792871A 1978-09-06 1979-09-05 Ekspanderbar dor for anvendelse ved oppbygning av roer NO792871L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7809371A SE413477B (sv)	1978-09-06	1978-09-06	Expanderbar dorn for anvendning vid uppbyggnad av ror

Publications (1)

Publication Number	Publication Date
NO792871L true NO792871L (no)	1980-03-07

Family

ID=20335743

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO792871A NO792871L (no)	1978-09-06	1979-09-05	Ekspanderbar dor for anvendelse ved oppbygning av roer

Country Status (8)

Country	Link
JP (1)	JPS5546936A (da)
DE (1)	DE2934360A1 (da)
DK (1)	DK361479A (da)
FI (1)	FI792756A7 (da)
GB (1)	GB2031330B (da)
NL (1)	NL7906548A (da)
NO (1)	NO792871L (da)
SE (1)	SE413477B (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE429626B (sv) *	1982-01-20	1983-09-19	Tetra Pak Dev	Sett att medelst krympformning framstella forpackningsbehallare jemte anordning for settets utforande
JPS6012187A (ja) *	1983-07-02	1985-01-22	株式会社デンソー	洗浄方法及び装置
JPS60137481A (ja) *	1983-12-25	1985-07-22	株式会社デンソー	洗浄方法及び装置
JPS60137523U (ja) *	1984-02-24	1985-09-12	株式会社クボタ	樹脂管製造用芯金装置
JPS60137524U (ja) *	1984-02-24	1985-09-12	株式会社クボタ	樹脂管製造用芯金装置
FR2568356B1 (fr) *	1984-07-24	1986-12-26	Raffinage Cie Francaise	Procede de fabrication d'un chauffe-eau et chauffe-eau ainsi obtenu
JPS62235028A (ja) *	1986-03-26	1987-10-15	サッポロビール株式会社	帯状包装資材の連続オゾン殺菌装置
GB0811967D0 (en) *	2008-06-30	2008-07-30	Bhp Billiton Petroleum Pty Ltd	Improvements relating to hose
EP2368685B1 (en) *	2010-03-25	2014-10-29	Siemens Aktiengesellschaft	Inflatable mandrel and method of fabrication of a fibre-reinforcing composite part using such a mandrel
JP7765259B2 (ja) *	2021-11-18	2025-11-06	Ａｓｔｅｍｏ株式会社	繊維強化樹脂管体の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3988103A (en) *	1975-03-24	1976-10-26	Tre Corporation	Collapsible mandrel for making fiber tubes
US4087502A (en) *	1976-03-24	1978-05-02	Tre Corporation	Method of making a collapsible foam mandrel

1978
- 1978-09-06 SE SE7809371A patent/SE413477B/sv unknown
1979
- 1979-08-24 DE DE19792934360 patent/DE2934360A1/de not_active Ceased
- 1979-08-29 DK DK361479A patent/DK361479A/da not_active Application Discontinuation
- 1979-08-31 NL NL7906548A patent/NL7906548A/nl not_active Application Discontinuation
- 1979-09-03 GB GB7930467A patent/GB2031330B/en not_active Expired
- 1979-09-05 FI FI792756A patent/FI792756A7/fi not_active Application Discontinuation
- 1979-09-05 JP JP11403779A patent/JPS5546936A/ja active Pending
- 1979-09-05 NO NO792871A patent/NO792871L/no unknown

Also Published As

Publication number	Publication date
GB2031330A (en)	1980-04-23
DE2934360A1 (de)	1980-03-27
JPS5546936A (en)	1980-04-02
DK361479A (da)	1980-03-07
GB2031330B (en)	1982-09-15
SE413477B (sv)	1980-06-02
NL7906548A (nl)	1980-03-10
SE7809371L (sv)	1980-03-07
FI792756A7 (fi)	1981-01-01

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