Adhesive-fixed body electronic apparatus and watch

Details Adhesive-fixed body electronic apparatus and watch Adhesive-fixed body electronic apparatus and watch

1998-01-08

2000-09-12

Miska, Vit

Horology: time measuring systems or devices

Cases

Of particular material

368249, 156334, 428355AC, 522 42, 522 90, 522 96, 525301, 525455, 528 44, 528 59, 528 75, G04B 3700, B32B 1504, C08J 704, C08G 1828

Patent

active

061167746

ABSTRACT:
A bonded body uses an adhesive having high water resistance to realize an adhesive-fixed structure having excellent waterproof properties and exhibiting relatively low changes in properties of the adhesive layer over time. The adhesive-fixed body of the present invention can be obtained by bonding and fixing a body and a glass cover as exterior pairs of a watch with an adhesive layer. The adhesive of the invention can be a curable adhesive containing 100 parts by weight of prepolymer resin having polytetramethylene oxide as a main chain and methacryl groups or acryl groups at both ends of the main chain or in side chains, 50 to 300 parts by weight of at least one selected from acrylic monomers or methacrylic monomers comprising isobornyl acrylate, isobornyl methacrylate or a mixture thereof, and a coupling agent.

REFERENCES:
patent: 4309526 (1982-01-01), Baccei
patent: 4763312 (1988-08-01), Tokunaga et al.

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