SE7809371L - Expanderbar dorn for anvendning vid uppbyggnad av ror - Google Patents

Expanderbar dorn for anvendning vid uppbyggnad av ror

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
English (en)
Other versions
SE413477B (sv
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/sv
Priority to DE19792934360 priority patent/DE2934360A1/de
Priority to DK361479A priority patent/DK361479A/da
Priority to NL7906548A priority patent/NL7906548A/nl
Priority to GB7930467A priority patent/GB2031330B/en
Priority to JP11403779A priority patent/JPS5546936A/ja
Priority to NO792871A priority patent/NO792871L/no
Priority to FI792756A priority patent/FI792756A7/sv
Publication of SE7809371L publication Critical patent/SE7809371L/sv
Publication of SE413477B publication Critical patent/SE413477B/sv

Links

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)
SE7809371A 1978-09-06 1978-09-06 Expanderbar dorn for anvendning vid uppbyggnad av ror SE413477B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7809371A SE413477B (sv) 1978-09-06 1978-09-06 Expanderbar dorn for anvendning vid uppbyggnad av ror
DE19792934360 DE2934360A1 (de) 1978-09-06 1979-08-24 Aufweitbarer dorn zur herstellung von rohren
DK361479A DK361479A (da) 1978-09-06 1979-08-29 Ekspanderbar dorn til anvendelse ved opbygning af roer
NL7906548A NL7906548A (nl) 1978-09-06 1979-08-31 Uitzetbare kernbuis, bestemd voor gebruik bij de constructie van pijpen.
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
NO792871A NO792871L (no) 1978-09-06 1979-09-05 Ekspanderbar dor for anvendelse ved oppbygning av roer
FI792756A FI792756A7 (sv) 1978-09-06 1979-09-05 Expanderbar dorn för användning vid uppbyggnad av rör.

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 (2)

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

Family

ID=20335743

Family Applications (1)

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

Country Status (8)

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

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
DK2368685T3 (da) * 2010-03-25 2014-11-10 Siemens Ag Oppustelig dorn og fremgangsmåde til fremstilling af fiberforstærkende kompositdel under anvendelse af en sådan dorn
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

Also Published As

Publication number Publication date
JPS5546936A (en) 1980-04-02
FI792756A7 (sv) 1981-01-01
SE413477B (sv) 1980-06-02
NL7906548A (nl) 1980-03-10
DE2934360A1 (de) 1980-03-27
GB2031330A (en) 1980-04-23
GB2031330B (en) 1982-09-15
NO792871L (no) 1980-03-07
DK361479A (da) 1980-03-07

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