Title: Heat-insulated plastic hall

Abstract: An air or frame supported hall made out of synthetic sheeting, especially a hall having an outer heat insulation consisting of a number of adjacent mats covering substantially the entire hall, each mat consisting of a core of soft cellular synthetic, each flat side of said core being laminated with an unreinforced soft flexible synthetic sheet material.

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Inventors: Ljungbo, Sven O. B. (Balsta, SE)

Application Number: 862281
Filing Date: 1977-12-19
Publication_date: 1980-02-19
Assignee: Erecta AG (Zug, CH)
Primary Class(es): 52/83 52/2.25, 52/63
Other Classes:
US Patent Ref:

365966	Jul, 1887	Bryant	428/192.
2495636	Jan, 1950	Hoeltzel	52/406.
2657716	Nov, 1953	Ford	52/2.
2698020	Dec, 1954	Phane	52/2.
2753019	Jul, 1956	Phane	52/2.
3277615	Oct, 1966	Marquez	52/2.
3854253	Dec, 1974	Slowbe	52/2.
3922822	Dec, 1975	Mollinger	52/63.
3973364	Aug, 1976	Seaman	52/83.

Other Refs: 1354172

May, 1974	GB

Primary Examiner: Leppink, James A.
Assistant Examiner: Raduazo, Henry E.
Attorney: Laubscher; Lawrence E.