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:
Feb. 23, 1988
Filed:
Mar. 16, 1987
Applicant:
Inventors:
Ernest W Reinwall, McHenry, IL (US);
Robert A Hagan, Roscoe, IL (US);
Assignee:
Elco Industries, Inc., Rockford, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
52410 ; 52512 ; 411511 ;
Abstract
An assembly for fastening a flexible membrane to a layer of insulation on a roof deck includes a plastic disc and a threaded screw which, when tightened, clamps the disc to the membrane. Angularly spaced pins are formed integrally with and depend from the underside of the disc and bite into the membrane to help prevent edgewise tearing of the membrane when wind uplift forces are exerted on the membrane. The pins preferably are formed between the ends of radially extending and angularly spaced ribs which depend from the underside of the disc to resist upward flexing of the disc.