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:
Dec. 14, 1999
Filed:
Jul. 10, 1997
Applicant:
Inventors:
Jeffrey A Zapfe, Cambridge, MA (US);
Hamid Shaidani, Randolph, MA (US);
Steven F Shedd, Plympton, MA (US);
Assignee:
Kinetic Systems, Inc., Roslindale, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 78 ; 428 47 ; 428 76 ; 428189 ; 527822 ;
Abstract
An improved sandwich structure including a top facing sheet, a bottom facing sheet, a core located between the top facing sheet and the bottom facing sheet, and a damping layer extending only partially across the core and not fully interrupting the continuity of the core between the top facing sheet portion and the bottom facing sheet portion to provide damping to the core without adversely affecting the static stiffness or strength of the core.