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Patent Searching and Data


Title:
SANDWICH SHEET
Document Type and Number:
Japanese Patent JPH0647861
Kind Code:
A
Abstract:

PURPOSE: To provide a sandwich sheet which is lightweight and thin and has a high attenuation factor.

CONSTITUTION: A sandwich sheet has polymer layers 16, 18 and 20 placed between two outside metal sheets 12 and 14. Two adjoining layers consists of polymers each with a different elasticity in any case. A polymer layer with a low elasticity and a polymer layer with a high elasticity are alternately arranged. The layers 16 and 18 respectively adjoining the outside metal sheets 12 and 14 each have a lower elasticity than that of the polymer of the lower layer 20.


Inventors:
JIRU TOREMUIE
Application Number:
JP9138193A
Publication Date:
February 22, 1994
Filing Date:
April 19, 1993
Export Citation:
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Assignee:
LORRAINE LAMINAGE
International Classes:
B32B7/022; B32B15/08; B32B27/08; B32B27/28; B32B27/30; B32B27/36; F16F3/093; F16F3/12; G10K11/168; (IPC1-7): B32B15/08; B32B27/08; B32B27/28; B32B27/30; B32B27/36
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)