Method for producing lining panels which are cast into concrete

Details Method for producing lining panels which are cast into concrete Method for producing lining panels which are cast into concrete

1982-03-09

1985-04-02

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 735, 156 736, 156297, 1565802, B29C 2708

Patent

active

045085811

ABSTRACT:
A method of producing large area lining panels (1) composed of thermoplastic material which 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 affixing knobs (2) also made of thermoplastic material which have a circular or polygonal cross-section with conically inclined surface portions. A plurality of the affixing 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 affixing 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

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