FR2181539A1 - Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds - Google Patents

Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds

Info

Publication number
FR2181539A1
FR2181539A1 FR7215070A FR7215070A FR2181539A1 FR 2181539 A1 FR2181539 A1 FR 2181539A1 FR 7215070 A FR7215070 A FR 7215070A FR 7215070 A FR7215070 A FR 7215070A FR 2181539 A1 FR2181539 A1 FR 2181539A1
Authority
FR
France
Prior art keywords
tower
single pass
mfr
differential
paddles
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
FR7215070A
Other languages
English (en)
French (fr)
Other versions
FR2181539B1 (OSRAM
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 FR7215070A priority Critical patent/FR2181539A1/fr
Priority to BE128996A priority patent/BE797020A/xx
Priority to DE19732320904 priority patent/DE2320904C3/de
Priority to IT6817373A priority patent/IT980913B/it
Publication of FR2181539A1 publication Critical patent/FR2181539A1/fr
Application granted granted Critical
Publication of FR2181539B1 publication Critical patent/FR2181539B1/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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7215070A 1972-04-27 1972-04-27 Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds Granted FR2181539A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7215070A FR2181539A1 (en) 1972-04-27 1972-04-27 Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds
BE128996A BE797020A (fr) 1972-04-27 1973-03-19 Procede et dispositif permettant l'augmentation du volume de particules en matiere thermoplastique contenant des agents moussants
DE19732320904 DE2320904C3 (de) 1972-04-27 1973-04-25 Verfahren und Vorrichtung zum ein- oder mehrmaligen Vorschäumen von Partikeln aus treibmittelhaltigem thermoplastischem Material
IT6817373A IT980913B (it) 1972-04-27 1973-04-26 Procedimento e dispositivo per permettere l aumento di volume di particelle di materia termoplasti ca contenenti agenti schiumanti

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7215070A FR2181539A1 (en) 1972-04-27 1972-04-27 Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds

Publications (2)

Publication Number Publication Date
FR2181539A1 true FR2181539A1 (en) 1973-12-07
FR2181539B1 FR2181539B1 (OSRAM) 1974-10-18

Family

ID=9097652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7215070A Granted FR2181539A1 (en) 1972-04-27 1972-04-27 Expanded thermoplastic beads mfr - in a single pass tower with differential agitator speeds

Country Status (3)

Country Link
BE (1) BE797020A (OSRAM)
FR (1) FR2181539A1 (OSRAM)
IT (1) IT980913B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2575234A (en) * 2018-05-04 2020-01-08 Bgrp Holdings Ltd Method for producing polystyrene beads

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2575234A (en) * 2018-05-04 2020-01-08 Bgrp Holdings Ltd Method for producing polystyrene beads
GB2575234B (en) * 2018-05-04 2023-01-18 Bgrp Holdings Ltd Method for producing expanded polystyrene beads and use thereof in soft furnishings

Also Published As

Publication number Publication date
DE2320904A1 (de) 1973-10-31
BE797020A (fr) 1973-07-16
IT980913B (it) 1974-10-10
FR2181539B1 (OSRAM) 1974-10-18
DE2320904B2 (de) 1976-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse