Processes for manufacturing inner tubes of the so-called punctur

Details Processes for manufacturing inner tubes of the so-called punctur Processes for manufacturing inner tubes of the so-called punctur

1980-10-07

1983-01-04

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156119, 156147, 156228, 156245, 156292, 156404, 152165, 152322, 152328, 264 469, 264501, 264516, 264519, 264250, 264294, 264327, 2643283, 425 34R, 425 37, B29H 1300, B32B 3120

Patent

active

043671098

ABSTRACT:
Inner tubes for pneumatic tires including a toric cushion made from an elastomer material having cells independent of each other.
A process for manufacturing such inner tubes with a mold for preforming and vulcanizing semi-toric elements, the mold includes fingers for molding recessed cavities and an incorporated heating network, the preformed semi-toric elements having undergone a first vulcanization are then joined together and subjected to a second vulcanization in an appropriate apparatus.

REFERENCES:
patent: 1694260 (1928-12-01), Hibbert
patent: 2497226 (1950-02-01), McNeill
patent: 2620844 (1952-12-01), Lord
patent: 2620845 (1952-12-01), Lord
patent: 4201744 (1980-05-01), Makinson

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