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:
Nov. 10, 1992
Filed:
Dec. 04, 1991
Ralph A Hausler, Plymouth, WI (US);
Lawrence Share, Skokie, IL (US);
Ghazi Khattab, Glenview, IL (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
Apparatus is disclosed for thermoforming a thermoformable sheet material into a predetermined thermoformed shape. A graphic display is provided upon one side of the thermoformable sheet material, and the apparatus includes first and second die members between which the thermoformable sheet material is secured. A forming cavity is defined within the first die member for accommodating a portion of the thermoformable sheet material when the thermoformable sheet material portion is forced into the forming cavity, and the second die member is provided with a heating plate for heating the thermoformable sheet material to a predetermined temperature in preparation for the thermoforming formation of the thermoformable sheet material into the thermoformed shape within the forming cavity of the first die member. The heating plate includes a recessed portion which is positionally aligned with the graphic display portion of the thermoformable sheet material so as to effectively heat insulate the graphic display portion of the thermoformable sheet material and thereby maintain the graphic display portion of the thermoformable sheet material at a second temperature level which is less than the predetermined temperature in order to prevent any variation of distortion of the graphic display portion of of the thermoformable sheet material during formation of the thermoformable sheet material into the thermoformed shape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile