Document Type and Number:
Japanese Patent JPS56500723
Kind Code:
A
Abstract:
A building is provided with an improved heat insulating wall or roofing element in which opposed sides of a tubular plastic sheet (2) are held in gripping means (1) provided with a slot through which the sheet (2) passes to surround a rigid core (3) held within the gripping means (1). At least one gripping means (1) is releasably attached to the building in a position which holds the film (2) taut so as to produce a gas gap between opposed faces (2a, 2b) of the tubular sheet.
Application Number:
JP50133680A
Publication Date:
May 28, 1981
Filing Date:
June 25, 1980
Export Citation:
International Classes:
A01G9/14; E04H15/18; E04D5/14; E04H15/64; (IPC1-7): E04D5/14; E04B1/347