SE9704393D0 - Press molding tools and methods of providing one with a gas evacuation means - Google Patents

Press molding tools and methods of providing one with a gas evacuation means

Info

Publication number
SE9704393D0
SE9704393D0 SE9704393A SE9704393A SE9704393D0 SE 9704393 D0 SE9704393 D0 SE 9704393D0 SE 9704393 A SE9704393 A SE 9704393A SE 9704393 A SE9704393 A SE 9704393A SE 9704393 D0 SE9704393 D0 SE 9704393D0
Authority
SE
Sweden
Prior art keywords
gas
moulding die
cavity
providing
methods
Prior art date
Application number
SE9704393A
Other languages
Swedish (sv)
Other versions
SE9704393L (en
SE512507C2 (en
Inventor
Goeran Langstedt
Original Assignee
Linlan Composite Ab
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 Linlan Composite Ab filed Critical Linlan Composite Ab
Priority to SE9704393A priority Critical patent/SE512507C2/en
Publication of SE9704393D0 publication Critical patent/SE9704393D0/en
Priority to PCT/SE1998/002081 priority patent/WO1999030886A1/en
Priority to AU13559/99A priority patent/AU1355999A/en
Publication of SE9704393L publication Critical patent/SE9704393L/en
Publication of SE512507C2 publication Critical patent/SE512507C2/en

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention relates to a moulding die (1) and has at least two moulding die halves (2, 3) which engage each other and which between themselves form a cavity (4) for holding a material to be moulded, and a means (7) for evacuating gas which generates in the cavity as the material is supplied and/or heated. The gas-evacuating means comprises a gas-permeable material in a channel which extends between the cavity and the surroundings outside the moulding die. The gas-evacuating means (7) is arranged at the circumference of that surface of each moulding die half (2, 3) which defines the cavity. The invention also relates to a method of providing a moulding die (1) with a gas-evacuating means (7). A mouldable compound of a gas-permeable material (7) is applied to at least the surface or surfaces (8) of a moulding die half (3) which, in the assembled state of moulding die, engage a second moulding die half (2) and which are positioned outside the cavity (4), and the gas-permeable material is caused to cure.
SE9704393A 1997-11-27 1997-11-27 Press molding tools and methods of providing one with a gas evacuation means SE512507C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9704393A SE512507C2 (en) 1997-11-27 1997-11-27 Press molding tools and methods of providing one with a gas evacuation means
PCT/SE1998/002081 WO1999030886A1 (en) 1997-11-27 1998-11-18 Moulding die and method of providing the same with gas-evacuating means
AU13559/99A AU1355999A (en) 1997-11-27 1998-11-18 Moulding die and method of providing the same with gas-evacuating means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704393A SE512507C2 (en) 1997-11-27 1997-11-27 Press molding tools and methods of providing one with a gas evacuation means

Publications (3)

Publication Number Publication Date
SE9704393D0 true SE9704393D0 (en) 1997-11-27
SE9704393L SE9704393L (en) 1999-05-28
SE512507C2 SE512507C2 (en) 2000-03-27

Family

ID=20409171

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704393A SE512507C2 (en) 1997-11-27 1997-11-27 Press molding tools and methods of providing one with a gas evacuation means

Country Status (3)

Country Link
AU (1) AU1355999A (en)
SE (1) SE512507C2 (en)
WO (1) WO1999030886A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA756995B (en) * 1974-11-18 1976-10-27 Ici Ltd Moulds or dies of superplastic alloys
FR2691922B1 (en) * 1992-06-03 1994-07-22 Snecma METHOD AND DEVICE FOR MOLDING A PART OF COMPOSITE MATERIAL CONSISTING OF TWO SECTORS.
GB2284173A (en) * 1993-02-06 1995-05-31 Alan Harper Collapsible core tool for lost-core moulding

Also Published As

Publication number Publication date
AU1355999A (en) 1999-07-05
SE9704393L (en) 1999-05-28
WO1999030886A1 (en) 1999-06-24
SE512507C2 (en) 2000-03-27

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