JPS57128522A - Vent plug structure of mold for expansion molding of urethane resin - Google Patents

Vent plug structure of mold for expansion molding of urethane resin

Info

Publication number
JPS57128522A
JPS57128522A JP56014428A JP1442881A JPS57128522A JP S57128522 A JPS57128522 A JP S57128522A JP 56014428 A JP56014428 A JP 56014428A JP 1442881 A JP1442881 A JP 1442881A JP S57128522 A JPS57128522 A JP S57128522A
Authority
JP
Japan
Prior art keywords
vent plug
ptfe
porous body
mold
urethane resin
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.)
Granted
Application number
JP56014428A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0231658B2 (cs
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
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, 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 true JPS57128522A (en) 1982-08-10
JPH0231658B2 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)

Cited By (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
FR3018721A1 (fr) * 2014-03-20 2015-09-25 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
WO2022177435A1 (en) * 2021-02-22 2022-08-25 Paperfoam Holding B.V. Mold and method for mold forming products
EP4205940A1 (en) * 2022-01-04 2023-07-05 Adient US LLC Coated forming tool

Cited By (7)

* 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
FR3018721A1 (fr) * 2014-03-20 2015-09-25 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
WO2022177435A1 (en) * 2021-02-22 2022-08-25 Paperfoam Holding B.V. Mold and method for mold forming products
CN117156973A (zh) * 2021-02-22 2023-12-01 纸浆模塑控股有限公司 用于产品模制成型的模具以及方法
EP4205940A1 (en) * 2022-01-04 2023-07-05 Adient US LLC Coated forming tool
US12318969B2 (en) 2022-01-04 2025-06-03 Adient Us Llc Coated forming tool

Also Published As

Publication number Publication date
JPH0231658B2 (cs) 1990-07-16

Similar Documents

Publication Publication Date Title
CA2049898A1 (en) Method for manufacturing a silica glass base material
JPS57128522A (en) Vent plug structure of mold for expansion molding of urethane resin
ATE83763T1 (de) Verfahren zur herstellung eines poroesen formkoerpers.
JPS5746856A (en) Production of interior part for car
JPS5712607A (en) Metallic mold for resin
JPS5715943A (en) Vacuum extruder
JPS5795432A (en) Mold structure for reaction injection molding
JPS56121739A (en) Manufacture of cross-linked polyolefin continuous foamed body
JPS5519411A (en) Porous body having linear vent holes and production thereof
JPS5775828A (en) Resin molded object
JPS5630809A (en) Biaxially oriented platelike molding and molding method thereof
JPS57128532A (en) Vent plug structure of mold for rubber
JPS6442233A (en) Ceramic structure and method for preparation thereof
EP0103733A3 (en) A synthetic resin foamed body and a method for the preparation thereof
JPS5756227A (en) Molding of inner surface in blow-molding
JPS6447446A (en) Deodorant resinous molding body
JPS6472805A (en) Manufacture of sintered object
JPS6415517A (en) Manufacture of porous rubber roll
JPS5719125A (en) Method and apparatus of manufacturing of thin-walled casting mold
JPS53125464A (en) Manufacture of sintered molded article
JPS53117860A (en) Method of producing filter
JPS57165235A (en) Mold for injection molding
JPS56146721A (en) Manufacture and manufacturing mold for reinforced resin molded goods
JPS57106514A (en) Porous carbon body and its manufacture
JPS54142266A (en) Molding of synthetic resin article