Method of joining sheets of a non-magnetic material together

Details Method of joining sheets of a non-magnetic material together Method of joining sheets of a non-magnetic material together

1982-11-17

1984-10-23

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

100917, 156197, 156290, 1563084, 156553, 1565801, 1565831, 226196, B29C 2708, B30B 1530, B30B 3120

Patent

active

044786590

ABSTRACT:
A method of joining two sheets of a non-magnetic material e.g. a plastics material, together along a join line comprises the steps of locating the sheets in a zone between a magnet and a body which is attracted by the magnet to bring the sheets together, causing the sheets to be moved through the zone either by moving the sheets or by moving the magnet and body, and joining the sheets together e.g. by heat or ultrasonic welding, in the zone or immediately after the sheets have passed through the zone. Apparatus for use in this method is also disclosed.

REFERENCES:
patent: 3413915 (1968-12-01), Goodwin et al.
patent: 3739129 (1973-06-01), Miller
patent: 3948705 (1976-04-01), Ausnit
patent: 4094729 (1978-06-01), Boccia

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