FR2223168B1 - - Google Patents

Info

Publication number
FR2223168B1
FR2223168B1 FR7311305A FR7311305A FR2223168B1 FR 2223168 B1 FR2223168 B1 FR 2223168B1 FR 7311305 A FR7311305 A FR 7311305A FR 7311305 A FR7311305 A FR 7311305A FR 2223168 B1 FR2223168 B1 FR 2223168B1
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
FR7311305A
Other versions
FR2223168A1 (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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to FR7311305A priority Critical patent/FR2223168A1/fr
Publication of FR2223168A1 publication Critical patent/FR2223168A1/fr
Application granted granted Critical
Publication of FR2223168B1 publication Critical patent/FR2223168B1/fr
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
    • B29C44/36—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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
FR7311305A 1973-03-29 1973-03-29 Cooling moulds for expanded thermoplastics - by admitting cold water to the steam chamber Granted FR2223168A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7311305A FR2223168A1 (en) 1973-03-29 1973-03-29 Cooling moulds for expanded thermoplastics - by admitting cold water to the steam chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7311305A FR2223168A1 (en) 1973-03-29 1973-03-29 Cooling moulds for expanded thermoplastics - by admitting cold water to the steam chamber

Publications (2)

Publication Number Publication Date
FR2223168A1 FR2223168A1 (en) 1974-10-25
FR2223168B1 true FR2223168B1 (fr) 1976-05-07

Family

ID=9117047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311305A Granted FR2223168A1 (en) 1973-03-29 1973-03-29 Cooling moulds for expanded thermoplastics - by admitting cold water to the steam chamber

Country Status (1)

Country Link
FR (1) FR2223168A1 (fr)

Also Published As

Publication number Publication date
FR2223168A1 (en) 1974-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse