Bead grip ring

Details Bead grip ring Bead grip ring

1975-06-25

1978-03-28

Klein, David

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156131, 156401, B29H 1712

Patent

active

040813100

ABSTRACT:
A rubber, radially expansible ring in a tire building drum is provided for gripping the bead of a tire carcass. The ring is radially expansible in a continuous, circumferential channel of the drum. The ring has an outer surface suitably shaped for holding the bead of the tire carcass, and a pair of continuous, circumferential pressure sealing flaps extending inwardly from both sides of the ring. The flaps are adapted for sealing engagement with adjacent side members of the circumferential channel, so that the ring may be radially expanded without the use of an inflatable bladder. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.

REFERENCES:
patent: 2145806 (1939-01-01), Schnedarek
patent: 3014521 (1961-12-01), Barber et al.
patent: 3016084 (1962-01-01), Niclas et al.
patent: 3053308 (1962-09-01), Vanzo et al.
patent: 3134079 (1964-05-01), Giletta et al.
patent: 3265549 (1966-08-01), Woodhall et al.
patent: 3281305 (1966-10-01), Nadler et al.
patent: 3434897 (1969-03-01), Caretta et al.
patent: 3721600 (1973-03-01), Cantarutti

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