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 Door glass weather strip for automobiles

Details
Inventors: Kisanuki, Hisayuki;
Assignee: Toyoda Gosei Co., Ltd. (Nishikasugai, JP)
Primary Examiner: Epstein; Henry F.
Assistant Examiner:
Attorney, Agent or Firm: Cushman, Darby & Cushman

A weather strip in which a glass-holding member and a bend lip are coupled respectively with the outer circumferential side and the inner circumferential side of an outside wall surface of a mounting base member, and the mounting base member is made of solid rubber and the bend lip is made of sponge rubber. A solid rubber portion continuing to the mounting base member is formed at least on inside of a base portion of the bend lip and the rotation fulcrum of the bend lip is shifted towards the free end and the modulus of the base portion of the bend lip increases. In this construction, even if the distance between the top end of the outside wall portion and the top end of the bend lip in the free state is shortened sufficiently not to spoil the fine appearance, when the glass is elevated for full closing, the top end of the outside wall portion of the glass-holding member is not grasped between the seal wall portion and the glass peripheral surface. Consequently, the door glass weather strip is not spoiled in the normal sealing state and a fine appearance may be achieved.

DETAILED DESCRIPTION A door glass weather strip for automobiles according to the invention is constituted in that a glass holding member and a bend lip are coupled respectively with the outer circumferential side and the inner circumferential side of an outside wall surface of a mounting base portion, the mounting base member is made of solid rubber and the bend lip is made of sponge rubber, solid rubber the portion continuing to the mounting base member is formed at least on the inside of a base portion of the bend lip, the rotation fulcrum of the bend lip is shifted towards the free end, and the modulus of the base portion of the bend lip is large.
Consequently, even if the distance between the top end of the outside wall portion and the top end of the bend lip at free state is shortened sufficiently so as not to spoil the fine appearance, when the glass is elevated for full closing, the top end of the outside wall portion of the glass holding member is not pinched between the seal wall portion and the glass peripheral surface according to following action, whereby the normal seal state is maintained and the fine appearance is not spoiled.
Since height of the bend lip in its upright state is decreased due to shifting of the rotation fulcrum of the bend lip from the free end and moreover the relative elongation amount of the bend lip is decreased due to an increase of the modulus at the base portion of the bend lip, a result similar to shortening of the bend lip is produced.
Consequently, even if the bend lip is pulled due to the rising of the glass, the top end of the bend lip is not grasped between the glass peripheral surface and the seal wall portion.



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