FR2108924A1 - Polystyrene expansion vessel - admitting various quantities of steam to control product density - Google Patents

Polystyrene expansion vessel - admitting various quantities of steam to control product density

Info

Publication number
FR2108924A1
FR2108924A1 FR7037851A FR7037851A FR2108924A1 FR 2108924 A1 FR2108924 A1 FR 2108924A1 FR 7037851 A FR7037851 A FR 7037851A FR 7037851 A FR7037851 A FR 7037851A FR 2108924 A1 FR2108924 A1 FR 2108924A1
Authority
FR
France
Prior art keywords
steam
expansion
screw
expanded
polystyrene
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
FR7037851A
Other languages
English (en)
French (fr)
Other versions
FR2108924B1 (https=
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.)
ESBE
Original Assignee
ESBE
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 ESBE filed Critical ESBE
Priority to FR7037851A priority Critical patent/FR2108924A1/fr
Publication of FR2108924A1 publication Critical patent/FR2108924A1/fr
Application granted granted Critical
Publication of FR2108924B1 publication Critical patent/FR2108924B1/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
    • B29C44/3461—Making or treating expandable particles

Landscapes

  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR7037851A 1970-10-20 1970-10-20 Polystyrene expansion vessel - admitting various quantities of steam to control product density Granted FR2108924A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7037851A FR2108924A1 (en) 1970-10-20 1970-10-20 Polystyrene expansion vessel - admitting various quantities of steam to control product density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7037851A FR2108924A1 (en) 1970-10-20 1970-10-20 Polystyrene expansion vessel - admitting various quantities of steam to control product density

Publications (2)

Publication Number Publication Date
FR2108924A1 true FR2108924A1 (en) 1972-05-26
FR2108924B1 FR2108924B1 (https=) 1973-11-23

Family

ID=9063011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037851A Granted FR2108924A1 (en) 1970-10-20 1970-10-20 Polystyrene expansion vessel - admitting various quantities of steam to control product density

Country Status (1)

Country Link
FR (1) FR2108924A1 (https=)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2108924B1 (https=) 1973-11-23

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