GB2093758A - Producing moulded articles from foamable thermoplastic synthetic material - Google Patents

Producing moulded articles from foamable thermoplastic synthetic material Download PDF

Info

Publication number
GB2093758A
GB2093758A GB8126637A GB8126637A GB2093758A GB 2093758 A GB2093758 A GB 2093758A GB 8126637 A GB8126637 A GB 8126637A GB 8126637 A GB8126637 A GB 8126637A GB 2093758 A GB2093758 A GB 2093758A
Authority
GB
United Kingdom
Prior art keywords
steam
vacuum
fact
foaming
moulded
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB8126637A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haendle & Soehne Maschf Karl
Original Assignee
Haendle & Soehne Maschf Karl
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 Haendle & Soehne Maschf Karl filed Critical Haendle & Soehne Maschf Karl
Publication of GB2093758A publication Critical patent/GB2093758A/en
Withdrawn legal-status Critical Current

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB8126637A 1981-02-28 1981-09-02 Producing moulded articles from foamable thermoplastic synthetic material Withdrawn GB2093758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813107697 DE3107697A1 (de) 1981-02-28 1981-02-28 Verfahren zur herstellung von formkoerpern aus schaeumbarem, thermoplastischem kunststoffmaterial sowie vorrichtung zur durchfuehrung des verfahrens

Publications (1)

Publication Number Publication Date
GB2093758A true GB2093758A (en) 1982-09-08

Family

ID=6126044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8126637A Withdrawn GB2093758A (en) 1981-02-28 1981-09-02 Producing moulded articles from foamable thermoplastic synthetic material

Country Status (4)

Country Link
DE (1) DE3107697A1 (it)
FR (1) FR2500788A1 (it)
GB (1) GB2093758A (it)
IT (1) IT1153449B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984513A (en) * 1988-10-21 1991-01-15 Corporation Salaison Melrose Apparatus for cooking and shaping meat pieces
FR2771044A1 (fr) * 1997-11-18 1999-05-21 Cera Procede de realisation d'une piece de sellerie, notamment pour vehicule automobile
US6576174B1 (en) * 2000-01-27 2003-06-10 Industrial Thermo Polymers Limited Residual gas extraction process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19724398C2 (de) * 1997-01-25 2000-11-02 Juan Carlos Bergmann Vorrichtung zur Abkühlung von Produkten, die flüchtige Komponenten, insbesondere Wasser enthalten, durch beschleunigte Verdunstung mittels Vakuum

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984513A (en) * 1988-10-21 1991-01-15 Corporation Salaison Melrose Apparatus for cooking and shaping meat pieces
FR2771044A1 (fr) * 1997-11-18 1999-05-21 Cera Procede de realisation d'une piece de sellerie, notamment pour vehicule automobile
US6576174B1 (en) * 2000-01-27 2003-06-10 Industrial Thermo Polymers Limited Residual gas extraction process

Also Published As

Publication number Publication date
FR2500788A1 (fr) 1982-09-03
DE3107697A1 (de) 1982-10-07
IT1153449B (it) 1987-01-14
IT8219746A0 (it) 1982-02-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)