Production of conveyor support bars for paper making machinery

Details Production of conveyor support bars for paper making machinery Production of conveyor support bars for paper making machinery

1980-08-25

1982-06-15

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162374, D21F 154

Patent

active

043349587

ABSTRACT:
An elongate support bar of composite material for transverse support of a moving conveyor of a paper making machine, wherein the bar is composed of a wear-resistant nose portion of smooth, hard material, such as a plurality of ceramic plates, and a base portion of polymeric resinous material in which plates are adhesively secured. The undersurface of the base portion of the bar is provided with an elongate channel for slideable securement to a transverse support member of the paper making machine, and the bar is supported and dimensionally stabilized by a plurality of flexible filamentary strands of high tensile strength embedded within the resinous base portion in spaced relation and extending along the length of the bar. The ceramic nose portion is particularly formed of a plurality of abutted ceramic plates which are interlaced and positively supported by a filamentary strand, and the bar is characterized by the absence of internal metal channel supports heretofore employed for support of composite bar constructions of the prior art.
Also disclosed is a molding device for producing the composite bar constructions. The mold forming plates of the molding device are positionally adjusted by support frame members located along the length of the mold to provide accurate and precise formation of the elongate support bar along its full length.

REFERENCES:
patent: Re29418 (1977-09-01), Hunt
patent: 3393124 (1963-07-01), Klingler et al.
patent: 3928125 (1975-12-01), Poeschl
patent: 4106981 (1978-08-01), Corbellini
patent: 4162937 (1979-07-01), Corbellini
patent: 4265706 (1981-05-01), Fulton

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