GB1169122A - Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof - Google Patents

Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof

Info

Publication number
GB1169122A
GB1169122A GB4277768A GB4277768A GB1169122A GB 1169122 A GB1169122 A GB 1169122A GB 4277768 A GB4277768 A GB 4277768A GB 4277768 A GB4277768 A GB 4277768A GB 1169122 A GB1169122 A GB 1169122A
Authority
GB
United Kingdom
Prior art keywords
spectacle frames
casting
parts
polyurethane resins
polyurethane
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
GB4277768A
Inventor
Gerald Hampel
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.)
Optipatent AG
Original Assignee
Optipatent 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 Optipatent AG filed Critical Optipatent AG
Priority to GB4277768A priority Critical patent/GB1169122A/en
Publication of GB1169122A publication Critical patent/GB1169122A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3212—Polyhydroxy compounds containing cycloaliphatic groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D12/00—Producing frames
    • B29D12/02—Spectacle frames

Abstract

1,169,122. Moulding composition for spectacle frames. OPTIPATENT A.G. 30 Nov., 1967, No. 42777/68. Divided out of 1,169,121. Heading B5A. [Also in Divisions C3 and G2] Spectacle frames or single parts thereof are moulded from a polyurethane prepared by reacting a polyisocyanate with a cycloaliphatic compound having at least two hydroxyl groups, by charging the polyurethane into a mould, curing and removing the cured article. The moulding is preferably carried out by injection or centrifugal casting in a mould made from a silicone, epoxy resin or an unsaturated polyester.
GB4277768A 1967-11-30 1967-11-30 Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof Expired GB1169122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4277768A GB1169122A (en) 1967-11-30 1967-11-30 Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4277768A GB1169122A (en) 1967-11-30 1967-11-30 Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof

Publications (1)

Publication Number Publication Date
GB1169122A true GB1169122A (en) 1969-10-29

Family

ID=10425935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4277768A Expired GB1169122A (en) 1967-11-30 1967-11-30 Use of Polyurethane Resins for Casting Spectacle Frames or Parts Thereof

Country Status (1)

Country Link
GB (1) GB1169122A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335326A1 (en) * 1975-12-19 1977-07-15 Toray Industries POLYURETHANE GLASS MOUNTS OR PARTS
EP0179187A2 (en) * 1984-10-26 1986-04-30 Simro AG Spectacle nose bridge
EP0320946A2 (en) * 1987-12-17 1989-06-21 The Dow Chemical Company Thermoplastic polyurethanes with high glass transition temperatures
WO2012168313A1 (en) * 2011-06-07 2012-12-13 Christoph Egger Method for manufacturing curved spectacle frame parts

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335326A1 (en) * 1975-12-19 1977-07-15 Toray Industries POLYURETHANE GLASS MOUNTS OR PARTS
EP0179187A2 (en) * 1984-10-26 1986-04-30 Simro AG Spectacle nose bridge
DE3439299A1 (en) * 1984-10-26 1986-04-30 Simro AG, Meilen BRILLIANT BRIDGE
EP0179187A3 (en) * 1984-10-26 1987-03-11 Simro AG Spectacle nose bridge
EP0320946A2 (en) * 1987-12-17 1989-06-21 The Dow Chemical Company Thermoplastic polyurethanes with high glass transition temperatures
EP0320946A3 (en) * 1987-12-17 1990-08-29 The Dow Chemical Company Thermoplastic polyurethanes with high glass transition temperatures
WO2012168313A1 (en) * 2011-06-07 2012-12-13 Christoph Egger Method for manufacturing curved spectacle frame parts

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