FR2169887B1 - - Google Patents

Info

Publication number
FR2169887B1
FR2169887B1 FR7246762A FR7246762A FR2169887B1 FR 2169887 B1 FR2169887 B1 FR 2169887B1 FR 7246762 A FR7246762 A FR 7246762A FR 7246762 A FR7246762 A FR 7246762A FR 2169887 B1 FR2169887 B1 FR 2169887B1
Authority
FR
France
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
Application number
FR7246762A
Other languages
French (fr)
Other versions
FR2169887A1 (it
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2169887A1 publication Critical patent/FR2169887A1/fr
Application granted granted Critical
Publication of FR2169887B1 publication Critical patent/FR2169887B1/fr
Expired 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
    • B29C33/3878—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts used as masters for making successive impressions
    • 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
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/428—Mould constructions; Mould supporting equipment
    • 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
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
    • B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
    • 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
    • B29K2823/00—Use of polyalkenes or derivatives thereof as mould material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7246762A 1971-12-29 1972-12-28 Expired FR2169887B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21324471A 1971-12-29 1971-12-29

Publications (2)

Publication Number Publication Date
FR2169887A1 FR2169887A1 (it) 1973-09-14
FR2169887B1 true FR2169887B1 (it) 1976-10-29

Family

ID=22794308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246762A Expired FR2169887B1 (it) 1971-12-29 1972-12-28

Country Status (6)

Country Link
JP (3) JPS4873472A (it)
CA (1) CA994067A (it)
DE (1) DE2263584C3 (it)
FR (1) FR2169887B1 (it)
GB (1) GB1414465A (it)
IT (1) IT974020B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8411550D0 (en) * 1984-05-04 1984-06-13 Stylo Matchmakers Int Injection moulding apparatus
US4956141A (en) * 1989-04-07 1990-09-11 Libbey-Owens-Ford Co. Molding process utilizing a mold release membrane
EP1018417A1 (en) * 1999-01-07 2000-07-12 Shell Internationale Researchmaatschappij B.V. Coated mould for making polyurethane foams
EP2437921B1 (de) * 2009-06-03 2021-11-17 Otto Wiesmayer Verfahren zum herstellen eines formteils
CN102240896A (zh) * 2010-05-12 2011-11-16 南通超达机械科技有限公司 一种汽车内饰发泡模具分型面的加工工艺
US20140202616A1 (en) * 2013-01-18 2014-07-24 Menq-Fong Shieh Manufacturing Method of PU Molded Product
CN103934948A (zh) * 2013-01-23 2014-07-23 谢孟峰 一种pu成型产品的制造方法
CN114852239B (zh) * 2022-04-28 2024-03-29 岳阳市爱达兴智能科技有限公司 一种改进结构的车用折叠机构

Also Published As

Publication number Publication date
DE2263584A1 (de) 1973-09-06
CA994067A (en) 1976-08-03
JPS56133142A (en) 1981-10-19
DE2263584C3 (de) 1979-08-16
DE2263584B2 (de) 1978-12-14
FR2169887A1 (it) 1973-09-14
IT974020B (it) 1974-06-20
GB1414465A (en) 1975-11-19
JPS4873472A (it) 1973-10-03
JPS5441960A (en) 1979-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse