Device for recovering, by melting, the metal constituting a fusi

Details Device for recovering, by melting, the metal constituting a fusi Device for recovering, by melting, the metal constituting a fusi

1990-06-11

1992-02-04

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Electro-static or inductive field

219 1057, 249 62, 264 25, B29C 3502, B29C 7100, H05B 610

Patent

active

050855697

ABSTRACT:
The device which is used for recovering a fusible core employed for moulding a hollow plastic article includes a bath of a liquid heated to a temperature at least equal to the melting temperature of the metal constituting the fusible core, a handling mechanism for introducing and holding the hollow article in this bath and a mechanism for heating, using electrical induction, the fusible core of the hollow article, the liquid bath being contained in a leakproof enclosure (1) made of an electrically nonconductive material which withstands the temperature of the bath and the mechanism of heating using electrical induction (4) being arranged outside and around the enclosure (1).

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patent: 4838933 (1989-06-01), Paillere et al.
patent: 4952346 (1990-08-01), Gravelle

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