Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1985-04-01
1986-06-17
Wityshyn, Michael
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
5230917, 156 735, 156 736, 156297, 1565802, B29C 6506, B29C 6508
Patent
active
045954356
ABSTRACT:
Large area lining panels (1) composed of thermoplastic material are used as pouring forms and linings for concrete vessels. On the face of the lining panels (1) that contacts the concrete there are arranged in rows a plurality of anchoring knobs (2) also made of thermoplastic material which have a circular or polygonal cross section with conically inclined surface portions. A plurality of the anchoring knobs (2) are simultaneously placed on the lining panel (1) and joined to it by ultrasonic, vibratory or rotational welding. The placing and welding of the anchoring knobs (2) singly or simultaneously in groups at a predetermined distance from each other is effected in a continuous succession.
REFERENCES:
patent: 3438825 (1969-04-01), Fidler
patent: 3464102 (1969-09-01), Soloff
patent: 3580793 (1971-05-01), Hewitt
patent: 3657802 (1972-04-01), Delmas
patent: 3683470 (1972-08-01), McMaster et al.
patent: 3783061 (1974-01-01), Hahn
patent: 4477307 (1984-10-01), Cearlock et al.
patent: 4531859 (1985-07-01), Bettigole
Steuler-Industriewerke GmbH
Wityshyn Michael
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