Pressure vessel system for retreading tires

Details Pressure vessel system for retreading tires Pressure vessel system for retreading tires

1978-01-06

1980-05-20

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156 96, 157 11, B29H 1736

Patent

active

042037930

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.
Instruction Manual, "Pressure Chamber 103A/104A", Bandag Inc., Muscatine, Iowa (general assembly diagram).
Instruction Manual, "Pressure Chamber 75 & 76", Bandag Inc., Muscatine, Iowa, (general assembly diagram).
"Pressure Chamber Instruction Manual Model 24 & 25", Bandag Inc., Muscatine, Iowa 8/1971, p. 5.
Bandag, Inc. Annual Report 1970.

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