Envelope sealing apparatus for cold process tire retreading

Details Envelope sealing apparatus for cold process tire retreading Envelope sealing apparatus for cold process tire retreading

1975-01-15

1976-06-29

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

152396, 156 96, 301 97, 301 98, B29H 504, B29H 1736

Patent

active

039665356

ABSTRACT:
Apparatus is provided for sealing an envelope around a tire casing during a cold process retreading operation, and which comprises a pair of annular pressure members which are mounted on the casing support rim, and which serve to hold and seal the envelope against the flanges of the rim thereby assuring a perfect seal throughout the envelope area. The apparatus also comprises means for readily mounting the annular members on the rim, and for holding the pressure members in their sealing positions. The latter means also permits the pressure members readily to be demounted from the rim.

REFERENCES:
patent: 3236709 (1966-02-01), Carver
patent: 3779833 (1973-12-01), Reppel
patent: 3802978 (1974-04-01), Barnett
patent: 3883382 (1975-05-01), Pelletier
patent: 3886028 (1975-05-01), Hindin et al.

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