Plastic article or earthenware shaping or treating: apparatus – Diverse distinct type shaping means – Shaping orifice and either a downstream preform reshaping...
Patent
1999-01-12
2000-05-16
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
Diverse distinct type shaping means
Shaping orifice and either a downstream preform reshaping...
425363, B63B 3544
Patent
active
060628448
ABSTRACT:
An elongated flooring member includes an array of pyramid-shaped tread members to form an anti-skid surface. Longitudinally extending features of the flooring member are formed by an extrusion process which is followed by an embossing process to cut extruded flutes into the pyramid-shaped tread members. A first version of the flooring member includes a pair of channels extending downward from an upper web on which the tread is formed, for attachment to a substrate. A second version of the flooring member has an adhesive layer fastened under the upper web for attachment to a single plank.
REFERENCES:
patent: 4330254 (1982-05-01), Cunningham
patent: 5512234 (1996-04-01), Takizawa et al.
patent: 5770122 (1998-06-01), Curchod
Davidge Ronald V.
Davis Robert
Nguyen Thukhanh T.
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