Method and apparatus for drying beltlike article, and induction

Details Method and apparatus for drying beltlike article, and induction Method and apparatus for drying beltlike article, and induction

1991-03-08

1994-01-18

Bennett, Henry A.

Electric heating

Metal heating

Of cylinders

219 1079, 34 1B, H05B 664

Patent

active

052801519

ABSTRACT:
In drying a beltlike article such as a slide fastener tape by high-frequency induction heating, the tape is wound on the outer circumferential surface of a rotary drum heated from inside while rotating. An induction heating coil is mounted on the outer circumferential surface of a stationary drum, as an inner drum, with a gap with the inner circumferential surface of the rotary drum. The rotary drum is supported at one end by a rotary shaft via an adiabatic material. The stationary inner drum is made of a metal plate having a high heat conductivity for facilitating heat radiation of the heating coil, while the rotary drum is made of a cladding plate including iron and copper plates in combination.

REFERENCES:
patent: 159876 (1875-02-01), Wilder
patent: 1701156 (1929-02-01), Heritage
patent: 2047372 (1936-07-01), Jalens
patent: 4005302 (1977-01-01), Graf et al.

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