Method of manufacturing elastic nub panel produced thereby

Details Method of manufacturing elastic nub panel produced thereby Method of manufacturing elastic nub panel produced thereby

1990-11-21

1992-12-01

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264571, 264101, 264284, 264310, 264318, 425327, B29C 4324, B29C 6700

Patent

active

051678950

ABSTRACT:
An extrusion and calendering method is provided to produce a plastic panel, in particular for the lining of concrete containers, having strongly undercut anchoring elements. These protrusions preferably include flat-shaped wings which are arranged approximately V-shaped, forming an angle with and being offset in their width from each other. The leading wing upon the manufacturing process has a smaller angle to the normal through the panel base. The wings may also, differing from the rectangular cross sectional shape described, have a round, oval, elliptical or square cross section.

REFERENCES:
patent: 3089191 (1963-05-01), Conrad
patent: 3533896 (1970-10-01), Hartig
patent: 3635614 (1972-01-01), Long et al.
patent: 3917772 (1975-11-01), Hollenbeck

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