Manufacture of building products

Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting

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Details

264160, B28B 1116, B29C 3700

Patent

active

057729395

ABSTRACT:
A method of manufacturing concrete roof tiles having the appearance of shake by providing the leading edges of successive tiles with a randomly shaped leading edge. The method comprises forming a ribbon of mortar on a series of tile forming pallets; and effecting rupture of the ribbon at joints between successive pallets by causing a leading pallet to accelerate away from the remaining pallets to create a gap therebetween.

REFERENCES:
patent: 1952828 (1934-03-01), Volkhardt
patent: 1972312 (1934-09-01), Pemberton et al.
patent: 2314529 (1943-03-01), Thurston
patent: 4666648 (1987-05-01), Brittain
patent: 5017320 (1991-05-01), Velazquez Garcia
patent: 5223200 (1993-06-01), Schulz et al.

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