Method of and apparatus for applying looped rubber member onto t

Details Method of and apparatus for applying looped rubber member onto t Method of and apparatus for applying looped rubber member onto t

1985-03-05

1986-12-09

Boland, Lois E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156403, 1564062, 156126, B29D 3032

Patent

active

046278842

ABSTRACT:
A method of applying a looped rubber member on a tire building drum having grooves formed in the periphery thereof, comprising the steps of inserting at least two pairs of retaining members into the looped rubber member in a first direction; retaining the looped rubber member on the retaining members; rotating the retaining members with the looped rubber member retained thereon toward the tire building drum to a second direction which is opposite to the first direction; forming the looped rubber member on the retaining members into a substantially circular configuration; transferring the substantially circular looped rubber member toward the tire building drum into a first position in which the center of the looped rubber member is in axial alignment with the longitudinal center axis of the tire building drum; further transferring the substantially circular looped rubber member from the first position into a second position in which the looped rubber member surrounds the periphery of the tire building drum radially contracted; receiving the retaining members in the grooves in the periphery of the tire building drum; applying the substantially circular looped rubber member on the periphery of collapsible tire building drum; and withdrawing the retaining members from the grooves in the periphery of the tire building drum.

REFERENCES:
patent: 2936813 (1960-05-01), Haase
patent: 3909336 (1975-09-01), Takahashi et al.
patent: 4039365 (1977-08-01), Takasuga et al.

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