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:
Sep. 18, 1990
Filed:
Apr. 04, 1988
Applicant:
Inventor:
Fritz Huebner, Zeeland, MI (US);
Assignee:
Plascore, Inc., Zeeland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156197 ; 428116 ;
Abstract
The specification discloses a structural honeycomb core fabricated of crystalline theremoplastic to provide corrosion-resistant, heat-resistant, high-impact structure. The core includes inter-welded strips forming a rigid core. In a first embodiment, the linear strips are welded and then expanded to form a honeycomb core. In a second embodiment, the strips are corrugated prior to welding.