BE786847Q - Procede de moulage par injection d'objets en matiere mousse - Google Patents

Procede de moulage par injection d'objets en matiere mousse

Info

Publication number: BE786847Q
Authority: BE; Belgium
Prior art keywords: foaming; pressure; mixture; mould; injection mould
Prior art date: 1969-10-10

Application number

BE786847A

Other languages

English (en)

Original Assignee

Usm Corp

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.)

1969-10-10

Filing date

1972-07-27

Publication date

1972-11-16

1969-10-10 Priority claimed from ES372732A external-priority patent/ES372732A1/es

1972-07-27 Application filed by Usm Corp filed Critical Usm Corp

1972-11-16 Application granted granted Critical

1972-11-16 Publication of BE786847Q publication Critical patent/BE786847Q/fr

Links

238000002347 injection Methods 0.000 title abstract 2
239000007924 injection Substances 0.000 title abstract 2
239000004033 plastic Substances 0.000 title abstract 2
229920003023 plastic Polymers 0.000 title abstract 2
239000006260 foam Substances 0.000 title 1
238000005187 foaming Methods 0.000 abstract 3
239000000203 mixture Substances 0.000 abstract 3
238000007664 blowing Methods 0.000 abstract 2
239000004088 foaming agent Substances 0.000 abstract 2
239000007788 liquid Substances 0.000 abstract 2
239000004743 Polypropylene Substances 0.000 abstract 1
239000004793 Polystyrene Substances 0.000 abstract 1
XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 abstract 1
235000019399 azodicarbonamide Nutrition 0.000 abstract 1
230000001413 cellular effect Effects 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
-1 polypropylene Polymers 0.000 abstract 1
229920001155 polypropylene Polymers 0.000 abstract 1
229920002223 polystyrene Polymers 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
- B29C44/36—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
- B29C44/422—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 by injecting by forward movement of the plastizising screw

Landscapes

Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

BE786847A 1969-10-10 1972-07-27 Procede de moulage par injection d'objets en matiere mousse BE786847Q (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
ES372732A ES372732A1 (es)	1968-10-15	1969-10-10	Metodo para el moldeo por inyeccion de articulos de mate- rial esponjoso.
AR22470669		1969-10-14
AR17433969		1969-12-09

Publications (1)

Publication Number	Publication Date
BE786847Q true BE786847Q (fr)	1972-11-16

Family

ID=27145650

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE786847A BE786847Q (fr)	1969-10-10	1972-07-27	Procede de moulage par injection d'objets en matiere mousse

Country Status (1)

Country	Link
BE (1)	BE786847Q (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0615834A1 (fr) *	1993-03-15	1994-09-21	Sumitomo Wiring Systems, Ltd.	Pièce moulée en résine thermoplastique et procédé pour sa préparation

1972
- 1972-07-27 BE BE786847A patent/BE786847Q/fr not_active IP Right Cessation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0615834A1 (fr) *	1993-03-15	1994-09-21	Sumitomo Wiring Systems, Ltd.	Pièce moulée en résine thermoplastique et procédé pour sa préparation
US5645779A (en) *	1993-03-15	1997-07-08	Sumitomo Wiring Systems, Ltd.	Molding part of thermoplastic resin and method of fabricating same

Similar Documents

Publication	Publication Date	Title
ES439232A1 (es)	1977-05-16	Procedimiento para moldear articulos termoplasticos de espu-ma.
DE2966602D1 (en)	1984-03-08	Device for moulding foamed plastic articles
FR2256021A1 (en)	1975-07-25	Moulded hollow (foamed) plastic articles - by injecting molten resin into moulding cavity, and introducing filling of fluid medium
EP0066960A3 (fr)	1984-07-18	Procédé pour produire une mousse revêtue d'une peau
ES433147A1 (es)	1976-11-16	Procedimiento para la obtencion de materiales espumados conpropiedades auto-desmoldeadoras.
GB1208966A (en)	1970-10-14	Process of making foamed articles
ES421607A1 (es)	1976-04-16	Un metodo para la produccion de un producto plastico espu-mado adecuado como material de revestimiento para tapas de recipientes.
ES430449A1 (es)	1976-10-01	Procedimiento para el llenado de herramientas moldeadoras con mezclas de reaccion.
GB1321341A (en)	1973-06-27	Process for preparing moulded olefin polymer foam
GB1109748A (en)	1968-04-10	Process for the production of moulded shaped structures having foamed cores
ATE42962T1 (de)	1989-05-15	Verfahren zum herstellen von vernetzten geschlossenzelligen polyolefinschaumstoffk¯rpern.
GB1305224A (fr)	1973-01-31
GB1202102A (en)	1970-08-12	The manufacture of cellular plastics articles, and machinery therefor
BE786847Q (fr)	1972-11-16	Procede de moulage par injection d'objets en matiere mousse
GB1311807A (en)	1973-03-28	Process for the production of a moulded part of a hard foam
GB1333587A (en)	1973-10-10	Injection moulding synthetic plastics articles
FR2282988A1 (fr)	1976-03-26	Procede de preparation de pieces expansees en polychlorure de vinyle
FR2021652A1 (en)	1970-07-24	Injection moulding of porous articles
GB1195404A (en)	1970-06-17	Improvements in the Injection Moulding of Foamed Articles
FR2121409A1 (en)	1972-08-25	Expanded plastic mouldings - formed by expansion before injection
GB1254993A (en)	1971-11-24	Method of producing moulded articles
GB1200840A (en)	1970-08-05	Toilet seat cushion
ES398763A1 (es)	1975-05-01	Procedimiento para la fabricacion de bloques de espumas de material plastico.
FR2047967A1 (en)	1971-03-19	Injection moulding foamed plastic bodies
GB1239561A (fr)	1971-07-21

Legal Events

Date

Code

Title

Description

1985-01-31

RE

Patent lapsed

Owner name: USM CORP.

Effective date: 19840727