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CH548859A Expired / Lapsed CH ⏱️ 0.0 years remaining

Foam insulated framed flooring panel prodn - by forming foam and placing frame onto inverted hardwood boards in mould

Assignee: Stieringer Franz Oberoesterrei
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Filing: 1973-06-18
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Granted: —
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Expires: 1993-06-18
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Abstract

Abstract In a method of making a floor boarding unit comprising a wearing layer of abutting hardwood boards glued onto a supporting frame and having a filling insulating layer of foam plastics between the frame members and surrounding the frame, the hardwood wearing layer is first placed upside down in a mould and then the supporting frame is pressed down against it by means of pegs projecting down from the mould lid; the foam constituents are then introduced and the foam produced in the mould.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-28 17:52
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/022; B; B32; B32B; B32B5/00; B32B5/18; B32B5/20; B32B21/00; B32B21/04; B32B21/047; E04F15/04; E04F15/041; B32B2471/00

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