The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1988
Filed:
Jan. 14, 1987
Applicant:
Inventors:
Assignee:
Metzeler Schaum GmbH, Memmingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D / ;
U.S. Cl.
CPC ...
2441 / ; 297460 ; 297D / ; 297D / ; 5459 ; 5481 ; 428921 ;
Abstract
In a backrest cushion of polyurethane foam in flame-retardant finish for air passenger seats, the protection against the risk of fire spreading is increased and at the same time the weight is reduced and the comfort increased according to the invention by making the whole volume of the backrest cushion of a flame-retardant foam and providing it, at least in the region which is put under pressure in use, with recesses extending parallel to the direction of pressure and all ending equidistant from the surface of the cushion.