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Patent Searching and Data


Title:
PRODUCTION OF LAMINATED SHEET
Document Type and Number:
Japanese Patent JPH06335978
Kind Code:
A
Abstract:

PURPOSE: To prevent the warpage and twist of a metal foil clad laminated sheet at the time of continuous production by a method wherein a plurality of resing impregnated base materials and metal foils are integrated under heating without applying pressure and subsequently pressed for a definite time to be re-cured before cut into a predetermined dimension.

CONSTITUTION: A long strip material impregnated with a resin and an outermost metal foil are integrated by a laminating roll 5 to form a laminate which is, in turn, sent into a curing oven. The curing oven 4 can perform the curing of the laminate under a non-pressure or pressure state. After the laminate sent into the curing oven 4 is heated and cured under non-pressure, the laminate is pressed for a definite time or pressed or heated for a definite time and subsequently re-cured at high temp. to be cut into a specific dimension. Otherwise, after the pressure and heat are applied to the laminate for a definite time, the laminate may be cut without being re-cured.


Inventors:
KIMURA KIKUO
HANASAKI FUMIO
Application Number:
JP12654993A
Publication Date:
December 06, 1994
Filing Date:
May 28, 1993
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
B32B37/00; B32B15/08; H05K1/03; B29L9/00; B29L31/34; (IPC1-7): B29D9/00; B32B15/08; H05K1/03
Attorney, Agent or Firm:
Shigeji Sato (1 person outside)