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. 08, 1978
Filed:
Aug. 05, 1976
Applicant:
Inventor:
George O Orth, Jr, Seattle, WA (US);
Assignee:
Norfin, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 156305 ; 260 / ; 260 / ;
Abstract
A hotmelt adhesive composition and a method of applying it to bind sheets. The composition comprises by weight 30% to 40% of an ethylene-vinyl acetate copolymer, 25% to 35% of a wax, 20% to 40% of a modified rosin and 10% to 30% of a tackifier. The method of binding sheets comprises aligning the sheet edges, compressing the aligned sheets a short distance from the edges and contacting the edges with the adhesive composition.