FI792756A - Expanderbar dorn foer anvaendning vid uppbyggnad av roer - Google Patents

Expanderbar dorn foer anvaendning vid uppbyggnad av roer

Info

Publication number
FI792756A
FI792756A FI792756A FI792756A FI792756A FI 792756 A FI792756 A FI 792756A FI 792756 A FI792756 A FI 792756A FI 792756 A FI792756 A FI 792756A FI 792756 A FI792756 A FI 792756A
Authority
FI
Finland
Prior art keywords
uppbyggnad
expanderbar
roer
dorn
foer anvaendning
Prior art date
Application number
FI792756A
Other languages
English (en)
Finnish (fi)
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.)
Filing date
Publication date
Application filed by Ekstroem & Co H A B filed Critical Ekstroem & Co H A B
Publication of FI792756A publication Critical patent/FI792756A/fi

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)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FI792756A 1978-09-06 1979-09-05 Expanderbar dorn foer anvaendning vid uppbyggnad av roer FI792756A (fi)

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
FI792756A true FI792756A (fi) 1980-03-07

Family

ID=20335743

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792756A FI792756A (fi) 1978-09-06 1979-09-05 Expanderbar dorn foer anvaendning vid uppbyggnad av 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
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
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
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

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
SE7809371L (sv) 1980-03-07
NO792871L (no) 1980-03-07
JPS5546936A (en) 1980-04-02
GB2031330A (en) 1980-04-23
DE2934360A1 (de) 1980-03-27
DK361479A (da) 1980-03-07
NL7906548A (nl) 1980-03-10
GB2031330B (en) 1982-09-15
SE413477B (sv) 1980-06-02

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: H A B EKSTROEM & CO