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:
Apr. 30, 1985
Filed:
Jun. 29, 1983
Applicant:
Inventors:
Garold W Alexander, Delaware, OH (US);
William H Haase, Dublin, OH (US);
Assignee:
International Paper Company, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264294 ; 264320 ; 264322 ; 264324 ; 4253871 ; 425388 ; 425398 ;
Abstract
An apparatus and method are disclosed for forming a multi-compartmented tray from a sheet material without tearing or bowing. At least a portion of one compartment, and preferably the entire compartment, is formed in advance of other compartments. The apparatus for doing so comprises a preformer on the male die for forming the first compartment before the rest of the male die engages the workpiece.