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, 2000
Filed:
Dec. 02, 1997
Applicant:
Inventor:
Fulvio Boldrini, Ferrara, IT;
Assignee:
G D Societa Azioni, Bologna, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C / ; B65C / ;
U.S. Cl.
CPC ...
156578 ; 118261 ;
Abstract
A gumming device for applying adhesive to sheet material fed between a rotary pressure member and a rotary gumming member substantially tangent to the pressure member and having peripheral projections with cavities for retaining and applying the adhesive to predetermined portions of the sheet material; scraping devices for removing surplus adhesive from the gumming member being provided upstream from the point at which the adhesive is applied, and being maintained continuously contacting the gumming member by the respective contacting surfaces of the gumming member and the scraping devices interacting substantially elastically with each other.