B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/133
B29D 30/54 (2006.01) B29D 30/56 (2006.01) B29D 30/58 (2006.01) B29C 35/08 (2006.01)
Patent
CA 1205964
Abstract A method and an apparatus for retreading vehicle tyres (10), at which a carcass (3) is provided with a prevulcan- ized tread (1) and an unvulcanized tiegum layer (2) between the carcass (3) and tread (1), and at which a microwave applicator is located above the tread (1) for emitting microwaves to the tyre (10) for creating heat energy in the tyre. According to the invention, a reflector for microwaves comprising an electrically conductive material (9) is attached in connection to or in the tiegum layer (2). Hereby a rapid vulcanization with high quality without heating the carcass (3) is achieved. Fig. 2 to be published.
419777
Berggren Benny
Gripenholt Ninneh
Fetherstonhaugh & Co.
Q. & Q. Retreading System Ab
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