JPH0231658B2 - - Google Patents

Info

Publication number
JPH0231658B2
JPH0231658B2 JP56014428A JP1442881A JPH0231658B2 JP H0231658 B2 JPH0231658 B2 JP H0231658B2 JP 56014428 A JP56014428 A JP 56014428A JP 1442881 A JP1442881 A JP 1442881A JP H0231658 B2 JPH0231658 B2 JP H0231658B2
Authority
JP
Japan
Prior art keywords
urethane resin
mold
resin foam
vent
polytetrafluoroethylene
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.)
Expired - Lifetime
Application number
JP56014428A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57128522A (en
Inventor
Yasumasa Shiina
Kazuaki Yokoyama
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.)
Chemours Mitsui Fluoroproducts Co Ltd
Original Assignee
Du Pont Mitsui Fluorochemicals Co Ltd
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 Du Pont Mitsui Fluorochemicals Co Ltd filed Critical Du Pont Mitsui Fluorochemicals Co Ltd
Priority to JP56014428A priority Critical patent/JPS57128522A/ja
Publication of JPS57128522A publication Critical patent/JPS57128522A/ja
Publication of JPH0231658B2 publication Critical patent/JPH0231658B2/ja
Granted 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
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP56014428A 1981-02-04 1981-02-04 Vent plug structure of mold for expansion molding of urethane resin Granted JPS57128522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56014428A JPS57128522A (en) 1981-02-04 1981-02-04 Vent plug structure of mold for expansion molding of urethane resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56014428A JPS57128522A (en) 1981-02-04 1981-02-04 Vent plug structure of mold for expansion molding of urethane resin

Publications (2)

Publication Number Publication Date
JPS57128522A JPS57128522A (en) 1982-08-10
JPH0231658B2 true JPH0231658B2 (cs) 1990-07-16

Family

ID=11860745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56014428A Granted JPS57128522A (en) 1981-02-04 1981-02-04 Vent plug structure of mold for expansion molding of urethane resin

Country Status (1)

Country Link
JP (1) JPS57128522A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013188912A (ja) * 2012-03-13 2013-09-26 Panasonic Corp 樹脂成型品及び金型装置
FR3018721B1 (fr) * 2014-03-20 2016-12-23 Peugeot Citroen Automobiles Sa Dispositif de moulage d'une piece en polystyrene expanse
CN110181737A (zh) * 2019-05-20 2019-08-30 上海方科汽车部件有限公司 一种方向盘真空发泡工艺
NL2027614B1 (en) * 2021-02-22 2022-09-19 Paperfoam Holding B V Mold and method for mold forming products
US12318969B2 (en) 2022-01-04 2025-06-03 Adient Us Llc Coated forming tool

Also Published As

Publication number Publication date
JPS57128522A (en) 1982-08-10

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