Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1977-04-26
1980-03-04
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264275, 264310, B29C 504, B29D 302, B29H 722
Patent
active
041917243
ABSTRACT:
A character belt for use in a high speed impact printer comprises an endless band having an outer surface on which equally spaced cylindrical sleeves are formed so as to surround central portions of cylindrical slugs extending across the width of the band. Each slug has a raised type character on at least one end face thereof. The band and sleeves are integrally formed in a molding operation which yields a band which is relatively flexible about an axis extending parallel to the band's axial direction and relatively rigid about a line coincident with the circumference of the band. The plastic material selected to form the belt preferably exhibits good elastic damping characteristics and high abrasion resistance along the band inner surface. A high tensile strength core material is embedded in the band for dimensional stability.
REFERENCES:
patent: 2762297 (1956-09-01), Baer
patent: 3103703 (1963-09-01), Ludewig
patent: 3109202 (1963-11-01), Beckadolph et al.
patent: 3418929 (1968-12-01), Nelson
patent: 3537193 (1970-11-01), Bernier et al.
patent: 3683802 (1972-08-01), Hepner et al.
patent: 3760719 (1973-09-01), Torrens et al.
patent: 3845711 (1974-11-01), Helms
Dier Henry M.
McMillan Norman
Dataproducts Corporation
Hoag Willard E.
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