ES461248A1 - Procedimiento y dispositivo para el preespumado de las mate-rias plasticas expansibles. - Google Patents

Procedimiento y dispositivo para el preespumado de las mate-rias plasticas expansibles.

Info

Publication number: ES461248A1
Authority: ES; Spain
Prior art keywords: balls; hand; way; gaseous fluid; prefoaming
Prior art date: 1976-08-02
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

ES461248A

Other languages

English (en)

Spanish (es)

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.)

1976-08-02

Filing date

1977-08-01

Publication date

1978-10-01

1976-08-02 Priority claimed from FR7623567A external-priority patent/FR2360408A1/fr

1977-02-25 Priority claimed from FR7705598A external-priority patent/FR2381614A2/fr

1977-08-01 Application filed by Individual filed Critical Individual

1978-10-01 Publication of ES461248A1 publication Critical patent/ES461248A1/es

Status Expired legal-status Critical Current

Links

239000000463 material Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
239000012530 fluid Substances 0.000 abstract 2
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 1
230000001174 ascending effect Effects 0.000 abstract 1
229920001577 copolymer Polymers 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
238000000465 moulding Methods 0.000 abstract 1
230000001105 regulatory effect Effects 0.000 abstract 1
238000003756 stirring Methods 0.000 abstract 1

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)

ES461248A 1976-08-02 1977-08-01 Procedimiento y dispositivo para el preespumado de las mate-rias plasticas expansibles. Expired ES461248A1 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7623567A FR2360408A1 (fr)	1976-08-02	1976-08-02	Procede et dispositif pour le premoussage des matieres plastiques expansibles
FR7705598A FR2381614A2 (fr)	1977-02-25	1977-02-25	Procede et dispositif pour le premoussage des matieres plastiques

Publications (1)

Publication Number	Publication Date
ES461248A1 true ES461248A1 (es)	1978-10-01

Family

ID=26219576

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES461248A Expired ES461248A1 (es)	1976-08-02	1977-08-01	Procedimiento y dispositivo para el preespumado de las mate-rias plasticas expansibles.

Country Status (9)

Country	Link
JP (1)	JPS5317663A (cs)
CS (1)	CS200522B2 (cs)
DE (1)	DE2734834A1 (cs)
ES (1)	ES461248A1 (cs)
GB (1)	GB1560768A (cs)
IT (1)	IT1083447B (cs)
NL (1)	NL7708504A (cs)
PL (1)	PL200000A1 (cs)
SU (1)	SU680628A3 (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS63135436A (ja) *	1986-11-26	1988-06-07	Mitsubishi Yuka Badische Co Ltd	予備発泡スチレン系樹脂粒子の製造方法
CA2107157C (en) *	1992-09-29	1998-02-03	Thomas N. Hall, Iii	Continuous process for expanding thermoplastic minipellets
DE19706884A1 (de) *	1997-02-21	1998-08-27	Huels Chemische Werke Ag	Verfahren zum Nachschäumen von preexpandierten polyolefinischen Partikeln
RU2466018C2 (ru) *	2011-01-12	2012-11-10	Юрий Анатольевич Мучулаев	Способ сухого вспенивания полистирола
CN110815697B (zh) *	2019-12-13	2025-05-30	快思瑞科技(上海)有限公司	一种膨胀微球的发泡筛分装置及其应用
CN119017589B (zh) *	2024-10-10	2025-02-11	泰安卧龙工程材料有限公司	一种聚丙烯纤维热处理装置及热处理方法

1977
- 1977-07-25 GB GB3115077A patent/GB1560768A/en not_active Expired
- 1977-08-01 PL PL20000077A patent/PL200000A1/xx unknown
- 1977-08-01 IT IT6878077A patent/IT1083447B/it active
- 1977-08-01 ES ES461248A patent/ES461248A1/es not_active Expired
- 1977-08-01 CS CS506877A patent/CS200522B2/cs unknown
- 1977-08-01 JP JP9245777A patent/JPS5317663A/ja active Pending
- 1977-08-01 NL NL7708504A patent/NL7708504A/xx not_active Application Discontinuation
- 1977-08-02 SU SU772507514A patent/SU680628A3/ru active
- 1977-08-02 DE DE19772734834 patent/DE2734834A1/de active Pending

Also Published As

Publication number	Publication date
JPS5317663A (en)	1978-02-17
NL7708504A (nl)	1978-02-06
PL200000A1 (pl)	1978-05-22
CS200522B2 (en)	1980-09-15
DE2734834A1 (de)	1978-02-09
GB1560768A (en)	1980-02-06
SU680628A3 (ru)	1979-08-15
IT1083447B (it)	1985-05-21

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