Sealing rings for use with outer curing envelope during tire ret

Details Sealing rings for use with outer curing envelope during tire ret Sealing rings for use with outer curing envelope during tire ret

1991-02-08

1992-03-24

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

Shape conforming sleeve or deformable pressure wrap means

156 96, 425 281, B29C 3502

Patent

active

050982680

ABSTRACT:
Sealing rings for use with an outer curing envelope to retread a tire. Each ring includes an outwardly opening annular channel member having a base portion molded to conform to the contour of the tire bead, and an annular outer flange portion having an enlarged sealing rib for underlapping the outer curing envelope at the outer side of the tire casing near it maximum width. Two rings are required, one on each side of the tire casing, to form with the outer curing envelope a complete seal enclosure around the outside tire.

REFERENCES:
patent: 2976910 (1961-03-01), Nowak
patent: 3730801 (1973-05-01), Martin
patent: 3868284 (1975-02-01), Hogan, Sr. et al.
patent: 3966535 (1976-06-01), Abularach
patent: 4036271 (1977-07-01), Presti
patent: 4046947 (1977-09-01), Brodie
patent: 4328053 (1982-05-01), Medlin
patent: 4434018 (1984-02-01), Brewer
patent: 4571277 (1986-02-01), Goldstein
patent: 4792379 (1988-12-01), Magee et al.
patent: 4869759 (1989-09-01), King et al.
patent: 5007978 (1991-04-01), Presti
Robbins Brochure entitled "The Accu-Seal II System" (Oct., 1990).

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