DK361479A - Ekspanderbar dorn til anvendelse ved opbygning af roer - Google Patents

Ekspanderbar dorn til anvendelse ved opbygning af roer

Info

Publication number
DK361479A
DK361479A DK361479A DK361479A DK361479A DK 361479 A DK361479 A DK 361479A DK 361479 A DK361479 A DK 361479A DK 361479 A DK361479 A DK 361479A DK 361479 A DK361479 A DK 361479A
Authority
DK
Denmark
Prior art keywords
dorn
beets
expandable
building
expandable dorn
Prior art date
Application number
DK361479A
Other languages
English (en)
Inventor
S O M 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.)
Filing date
Publication date
Application filed by Ekstroem & Co H A B filed Critical Ekstroem & Co H A B
Publication of DK361479A publication Critical patent/DK361479A/da

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)
DK361479A 1978-09-06 1979-08-29 Ekspanderbar dorn til anvendelse ved opbygning af roer DK361479A (da)

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
DK361479A true DK361479A (da) 1980-03-07

Family

ID=20335743

Family Applications (1)

Application Number Title Priority Date Filing Date
DK361479A DK361479A (da) 1978-09-06 1979-08-29 Ekspanderbar dorn til anvendelse ved opbygning af roer

Country Status (8)

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

Families Citing this family (9)

* 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

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
JPS5546936A (en) 1980-04-02
DE2934360A1 (de) 1980-03-27
GB2031330B (en) 1982-09-15
NL7906548A (nl) 1980-03-10
GB2031330A (en) 1980-04-23
FI792756A (fi) 1980-03-07
SE413477B (sv) 1980-06-02
SE7809371L (sv) 1980-03-07
NO792871L (no) 1980-03-07

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment