CA1102067A - Methode et dispositif pour le moulage de polystyrene expansible - Google Patents

Methode et dispositif pour le moulage de polystyrene expansible

Info

Publication number: CA1102067A
Authority: CA; Canada
Prior art keywords: mold; expandable polystyrene; chamber; jacket; steam
Prior art date: 1976-12-21
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

CA293,522A

Other languages

English (en)

Inventor

Herbert M. Gahmig

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.)

BASF Corp

Original Assignee

BASF Wyandotte 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.)

1976-12-21

Filing date

1977-12-20

Publication date

1981-06-02

1977-12-20 Application filed by BASF Wyandotte Corp filed Critical BASF Wyandotte Corp

1981-06-02 Application granted granted Critical

1981-06-02 Publication of CA1102067A publication Critical patent/CA1102067A/fr

Status Expired legal-status Critical Current

Links

229920006248 expandable polystyrene Polymers 0.000 title claims abstract description 35
238000000034 method Methods 0.000 title claims abstract description 31
238000000465 moulding Methods 0.000 title claims abstract description 31
239000011324 bead Substances 0.000 claims abstract description 25
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
238000001816 cooling Methods 0.000 claims abstract description 17
239000003595 mist Substances 0.000 claims abstract description 11
239000002184 metal Substances 0.000 claims abstract description 5
239000004793 Polystyrene Substances 0.000 claims description 9
239000000463 material Substances 0.000 claims description 7
229920002223 polystyrene Polymers 0.000 claims description 7
239000004794 expanded polystyrene Substances 0.000 claims description 5
239000007769 metal material Substances 0.000 claims description 3
239000002480 mineral oil Substances 0.000 claims description 2
235000010446 mineral oil Nutrition 0.000 claims description 2
238000007664 blowing Methods 0.000 claims 2
238000010025 steaming Methods 0.000 abstract description 4
238000004519 manufacturing process Methods 0.000 description 4
238000009826 distribution Methods 0.000 description 3
238000013022 venting Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000004927 fusion Effects 0.000 description 2
239000004619 high density foam Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
230000035515 penetration Effects 0.000 description 2
239000007921 spray Substances 0.000 description 2
230000004888 barrier function Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000002826 coolant Substances 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
239000011148 porous material Substances 0.000 description 1
238000010926 purge Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1

Landscapes

Moulds For Moulding Plastics Or The Like (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

CA293,522A 1976-12-21 1977-12-20 Methode et dispositif pour le moulage de polystyrene expansible Expired CA1102067A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US75274176A	1976-12-21	1976-12-21
US752,741		1976-12-21

Publications (1)

Publication Number	Publication Date
CA1102067A true CA1102067A (fr)	1981-06-02

Family

ID=25027621

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA293,522A Expired CA1102067A (fr)	1976-12-21	1977-12-20	Methode et dispositif pour le moulage de polystyrene expansible

Country Status (1)

Country	Link
CA (1)	CA1102067A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4627946A (en) *	1983-11-07	1986-12-09	Morval-Durofoam Ltd.	Method and molding apparatus for molding expanded polystyrene articles having smooth surfaces
US4781555A (en) *	1987-01-07	1988-11-01	Efp Corp.	Apparatus for forming molded patterns

1977
- 1977-12-20 CA CA293,522A patent/CA1102067A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4627946A (en) *	1983-11-07	1986-12-09	Morval-Durofoam Ltd.	Method and molding apparatus for molding expanded polystyrene articles having smooth surfaces
US4781555A (en) *	1987-01-07	1988-11-01	Efp Corp.	Apparatus for forming molded patterns

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Legal Events

Date	Code	Title	Description
1998-06-02	MKEX	Expiry