ATA106172A - Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl. - Google Patents

Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl.

Info

Publication number
ATA106172A
ATA106172A AT106172A AT106172A ATA106172A AT A106172 A ATA106172 A AT A106172A AT 106172 A AT106172 A AT 106172A AT 106172 A AT106172 A AT 106172A AT A106172 A ATA106172 A AT A106172A
Authority
AT
Austria
Prior art keywords
dgl
rubber
plastic
manufacturing
pipe made
Prior art date
Application number
AT106172A
Other languages
English (en)
Other versions
AT330446B (de
Original Assignee
Pneumatiques Caoutchouc Mfg
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 Pneumatiques Caoutchouc Mfg filed Critical Pneumatiques Caoutchouc Mfg
Priority to AT106172A priority Critical patent/AT330446B/de
Publication of ATA106172A publication Critical patent/ATA106172A/de
Application granted granted Critical
Publication of AT330446B publication Critical patent/AT330446B/de

Links

Classifications

    • 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
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C33/50—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 elastic or flexible
    • B29C33/505—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 elastic or flexible cores or mandrels, e.g. inflatable
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
AT106172A 1972-02-09 1972-02-09 Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl. AT330446B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT106172A AT330446B (de) 1972-02-09 1972-02-09 Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT106172A AT330446B (de) 1972-02-09 1972-02-09 Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl.

Publications (2)

Publication Number Publication Date
ATA106172A true ATA106172A (de) 1975-09-15
AT330446B AT330446B (de) 1976-06-25

Family

ID=3505737

Family Applications (1)

Application Number Title Priority Date Filing Date
AT106172A AT330446B (de) 1972-02-09 1972-02-09 Formkern zur herstellung von rohrkrummern aus gummi, kunststoff od.dgl.

Country Status (1)

Country Link
AT (1) AT330446B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384924B1 (de) * 1989-02-28 1995-01-04 Asahi Kasei Kogyo Kabushiki Kaisha Verfahren zum Herstellen eines Harzgegenstandes mit einem gebogenen Hohlteil und Kern, anwendbar in diesem Verfahren
NL1008273C2 (nl) * 1998-02-11 1999-08-12 Wavin Bv Werkwijze, buigkern en buigkernensamenstel voor het buigen van een buis van thermoplastisch kunststofmateriaal.
US7749421B2 (en) 2006-12-27 2010-07-06 Hexcel Corporation Helicopter blade mandrel
AT14096U1 (de) * 2013-10-14 2015-04-15 Ke Kelit Kunststoffwerk Gmbh Vorrichtung zum Biegen von Rohren

Also Published As

Publication number Publication date
AT330446B (de) 1976-06-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties