GB1087234A - Improvements in casting-patterns made of expanded plastics - Google Patents

Improvements in casting-patterns made of expanded plastics

Info

Publication number
GB1087234A
GB1087234A GB521566A GB521566A GB1087234A GB 1087234 A GB1087234 A GB 1087234A GB 521566 A GB521566 A GB 521566A GB 521566 A GB521566 A GB 521566A GB 1087234 A GB1087234 A GB 1087234A
Authority
GB
United Kingdom
Prior art keywords
casting
patterns made
expanded plastics
expanded
plastics
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.)
Expired
Application number
GB521566A
Inventor
Adalbert Wittmoser
Heing Schweikert
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.)
Saint Gobain Isover G+H AG
Original Assignee
Gruenzweig und Hartmann AG
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 Gruenzweig und Hartmann AG filed Critical Gruenzweig und Hartmann AG
Priority to GB521566A priority Critical patent/GB1087234A/en
Publication of GB1087234A publication Critical patent/GB1087234A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02—Lost patterns
    • B22C7/023—Patterns made from expanded plastic materials

Abstract

A gasifiable, expanded-plastics pattern, e.g. of polystyrene, include in the material a flame-suppressor, e.g. tris-(2,3-dibromopropyl)-phosphate.
GB521566A 1966-02-07 1966-02-07 Improvements in casting-patterns made of expanded plastics Expired GB1087234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB521566A GB1087234A (en) 1966-02-07 1966-02-07 Improvements in casting-patterns made of expanded plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB521566A GB1087234A (en) 1966-02-07 1966-02-07 Improvements in casting-patterns made of expanded plastics

Publications (1)

Publication Number Publication Date
GB1087234A true GB1087234A (en) 1967-10-18

Family

ID=9791868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB521566A Expired GB1087234A (en) 1966-02-07 1966-02-07 Improvements in casting-patterns made of expanded plastics

Country Status (1)

Country Link
GB (1) GB1087234A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200728A (en) * 1977-07-14 1980-04-29 Basf Aktiengesellschaft Manufacture of polyethers from bis-(4-hydroxyphenyl)-sulfone and bis-(4-chlorophenyl)-sulfone in N-methylpyrrolidone using an alkali metal carbonate as catalysts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200728A (en) * 1977-07-14 1980-04-29 Basf Aktiengesellschaft Manufacture of polyethers from bis-(4-hydroxyphenyl)-sulfone and bis-(4-chlorophenyl)-sulfone in N-methylpyrrolidone using an alkali metal carbonate as catalysts

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