Tire retreading method using pressure vessel

Details Tire retreading method using pressure vessel Tire retreading method using pressure vessel

1978-01-06

1980-05-06

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156285, 156382, 157 11, 157 11, 425 18, B29H 1736

Patent

active

042016100

ABSTRACT:
Tire casings are retreaded with precured tread strips in a heated pressure vessel provided with pressure connections which effect simultaneous inflation of the tires and pressurization of the vessel while maintaining tire pressure above vessel pressure. Subsequently a pressure relief system permits the tires to exhaust faster than the vessel. Each tire is prepared for retreading by applying a bonding medium between the tire periphery and the retread strip and wrapping the resulting assembly with a fluid impervious flexible cover. Tread stabilization rings, wick material and non-stick polymer film may be inserted between the tread strip and the cover.

REFERENCES:
patent: 2976910 (1961-03-01), Nowak
patent: 3236709 (1966-02-01), Carver
patent: 3325326 (1967-06-01), Schelkmann
patent: 3743564 (1973-07-01), Gross
patent: 3745084 (1973-07-01), Schelkmann
patent: 3752726 (1973-08-01), Barefoot
patent: 3769121 (1973-10-01), Martin
patent: 3884739 (1975-05-01), Hindin et al.
patent: 4123306 (1978-10-01), Landry
"Pressure Chamber Instruction Manual", Model 24 & 25, p. 5, 8/1971, Bandag Inc., Muscatine, Iowa.
"Pressure Chamber Instruction Manual", Model 75 & 76, Bandag Inc., Muscatine, Iowa.
"Pressure Chamber Instruction Manual", Model 103A, 104A, Bandag Inc., Muscatine, Iowa.
Bandag, Inc., Annual Report, 1970.

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