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Patent Searching and Data


Title:
EAR BEND RESIN FOR SPECTACLE FRAME
Document Type and Number:
Japanese Patent JPH085963
Kind Code:
A
Abstract:

PURPOSE: To obtain an ear bend resin which has both of an excellent wearing feel and durability by consisting a side not in contact with the ears of a first resin and consisting a side in contact with the ears of a resin having the lower hardness than the hardness of the first resin.

CONSTITUTION: This ear bend for spectacle frames has double structures in which the side not in contact with the ears consists of the first resin 1 and the side in contact with the ears consists of the second resin 2 having the hardness lower than the hardness of the first resin 1. Further, the ear bend for the spectacle frames having an intermediate shape of a skull temple shape and an semiarc shape has the double structures in which a projection consisting of the second resin 2 is formed at the front end of the ear bend. Both of the first resin and the second resin consist preferably of polyolefin thermoplastic elastomers. Further, the ear bend having the double structures in which the first resin 1 consists of the polyolefin resin and the second resin 2 consists of the polyolefin thermoplastic elastomer is more preferable.


Inventors:
ONODERA MASAAKI
KANZAKI JUNJI
Application Number:
JP13736294A
Publication Date:
January 12, 1996
Filing Date:
June 20, 1994
Export Citation:
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Assignee:
NIKON CORP
International Classes:
G02C5/16; G02C5/00; G02C5/14; (IPC1-7): G02C5/16