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:
Aug. 22, 1978
Filed:
Apr. 26, 1977
Applicant:
Inventors:
Assignee:
Draftex Development AG, , CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C / ;
U.S. Cl.
CPC ...
52716 ; 5230916 ; 49490 ;
Abstract
A channel-shaped structure is shown in which a channel-shaped metal carrier has a covering of flexible material which is arranged to define a gripping rib running along and protruding from one inside wall of the channel. Metal reinforcement at least partly extends into the gripping rib. Also disclosed is a metal carrier comprising a series of U-shaped metal elements which are spaced from each other and are each provided with a corrugation which runs around the U from the end of one leg of the U to the end of the other leg thereof.