SE7809371L - EXPANDABLE DORN FOR USE IN CONSTRUCTION OF PIPES - Google Patents

EXPANDABLE DORN FOR USE IN CONSTRUCTION OF PIPES

Info

Publication number
SE7809371L
SE7809371L SE7809371A SE7809371A SE7809371L SE 7809371 L SE7809371 L SE 7809371L SE 7809371 A SE7809371 A SE 7809371A SE 7809371 A SE7809371 A SE 7809371A SE 7809371 L SE7809371 L SE 7809371L
Authority
SE
Sweden
Prior art keywords
dorn
expandable
pipes
construction
expandable dorn
Prior art date
Application number
SE7809371A
Other languages
Swedish (sv)
Other versions
SE413477B (en
Inventor
S O M Ekstrom
Original Assignee
Ekstrom & 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.)
Filing date
Publication date
Application filed by Ekstrom & Co H A B filed Critical Ekstrom & Co H A B
Priority to SE7809371A priority Critical patent/SE413477B/en
Priority to DE19792934360 priority patent/DE2934360A1/en
Priority to DK361479A priority patent/DK361479A/en
Priority to NL7906548A priority patent/NL7906548A/en
Priority to GB7930467A priority patent/GB2031330B/en
Priority to JP11403779A priority patent/JPS5546936A/en
Priority to FI792756A priority patent/FI792756A/en
Priority to NO792871A priority patent/NO792871L/en
Publication of SE7809371L publication Critical patent/SE7809371L/en
Publication of SE413477B publication Critical patent/SE413477B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00Producing tubular articles
    • B29D23/001Pipes; Pipe joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48Moulds 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
    • B29C33/485Moulds 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • B29C53/82Cores or mandrels
    • B29C53/821Mandrels especially adapted for winding and joining
    • B29C53/824Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes 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)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
SE7809371A 1978-09-06 1978-09-06 EXPANDABLE DORN FOR USE IN BUILDING OF Pipes SE413477B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7809371A SE413477B (en) 1978-09-06 1978-09-06 EXPANDABLE DORN FOR USE IN BUILDING OF Pipes
DE19792934360 DE2934360A1 (en) 1978-09-06 1979-08-24 EXPANDABLE THORN FOR THE PRODUCTION OF TUBES
DK361479A DK361479A (en) 1978-09-06 1979-08-29 EXPANDABLE DORN TO USE IN BUILDING BEETS
NL7906548A NL7906548A (en) 1978-09-06 1979-08-31 EXPANDABLE NUCLEAR TUBE, INTENDED FOR USE IN THE CONSTRUCTION OF PIPES.
GB7930467A GB2031330B (en) 1978-09-06 1979-09-03 Moulding pipes
JP11403779A JPS5546936A (en) 1978-09-06 1979-09-05 Mandrel that can be expanded
FI792756A FI792756A (en) 1978-09-06 1979-09-05 EXPANDERBAR DORN FOER ANVAENDNING VID UPPBYGGNAD AV ROER
NO792871A NO792871L (en) 1978-09-06 1979-09-05 EXPANDABLE DOOR FOR USE IN BUILDING OF BEETS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7809371A SE413477B (en) 1978-09-06 1978-09-06 EXPANDABLE DORN FOR USE IN BUILDING OF Pipes

Publications (2)

Publication Number Publication Date
SE7809371L true SE7809371L (en) 1980-03-07
SE413477B SE413477B (en) 1980-06-02

Family

ID=20335743

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7809371A SE413477B (en) 1978-09-06 1978-09-06 EXPANDABLE DORN FOR USE IN BUILDING OF Pipes

Country Status (8)

Country Link
JP (1) JPS5546936A (en)
DE (1) DE2934360A1 (en)
DK (1) DK361479A (en)
FI (1) FI792756A (en)
GB (1) GB2031330B (en)
NL (1) NL7906548A (en)
NO (1) NO792871L (en)
SE (1) SE413477B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE429626B (en) * 1982-01-20 1983-09-19 Tetra Pak Dev SET FOR MEDIUM CRIMPING FORMING PACKAGING CONTAINERS ALSO DEVELOPING SET
JPS6012187A (en) * 1983-07-02 1985-01-22 株式会社デンソー Washing method and device
JPS60137481A (en) * 1983-12-25 1985-07-22 株式会社デンソー Washing method and device
JPS60137523U (en) * 1984-02-24 1985-09-12 株式会社クボタ Core metal device for resin pipe manufacturing
JPS60137524U (en) * 1984-02-24 1985-09-12 株式会社クボタ Core metal device for resin pipe manufacturing
FR2568356B1 (en) * 1984-07-24 1986-12-26 Raffinage Cie Francaise METHOD FOR MANUFACTURING A WATER HEATER AND A WATER HEATER THUS OBTAINED
JPS62235028A (en) * 1986-03-26 1987-10-15 サッポロビール株式会社 Continuous ozone sterilizer for band-shaped packaging material
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

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

Also Published As

Publication number Publication date
NL7906548A (en) 1980-03-10
SE413477B (en) 1980-06-02
JPS5546936A (en) 1980-04-02
NO792871L (en) 1980-03-07
DE2934360A1 (en) 1980-03-27
FI792756A (en) 1980-03-07
DK361479A (en) 1980-03-07
GB2031330B (en) 1982-09-15
GB2031330A (en) 1980-04-23

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