Process and apparatus for preparing a flat-topped wave-board pan

Details Process and apparatus for preparing a flat-topped wave-board pan Process and apparatus for preparing a flat-topped wave-board pan

1989-04-24

1991-03-19

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

156 622, 264118, 264119, 264120, 425406, B29C 5324, B29C 5902

Patent

active

050006738

ABSTRACT:
A platen assembly is provided for manufacturing flat-topped wave-board. The assembly can be mechanically converted between a planar configuration and a wave-like configuration to form a board with a flat-topped and bottomed profile.

REFERENCES:
patent: 771677 (1904-10-01), Squires
patent: 2481049 (1949-09-01), Stamm et al.
patent: 3575768 (1971-04-01), Hannum
patent: 4025599 (1977-05-01), Keith
patent: 4616991 (1986-10-01), Bach et al.
patent: 4624726 (1986-11-01), Harper, Jr.
patent: 4668321 (1987-05-01), Lefevre
patent: 4675138 (1987-06-01), Bach et al.

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