Endless belt power transmission systems or components – Friction drive belt – Including discrete embedded fibers
Patent
1986-03-20
1988-06-21
Czaja, Donald E.
Endless belt power transmission systems or components
Friction drive belt
Including discrete embedded fibers
156137, 1563066, 428246, 428250, 428252, 428259, 474264, 474266, 474271, B32B 2502, B32B 2504, F16G 104
Patent
active
047522828
ABSTRACT:
The flat drive belt has a layered build-up comprising at least one tensile layer (1) which has a modulus of elasticity of 20,000-250,000 N/mm.sup.2 and which is positively embedded between two thermoplastic hot-melt films (3) having a modulus of elasticity of 40-600 N/mm.sup.2. Friction layers or friction structures (4) of an elastomer material having a modulus of elasticity of 2-40 N/mm.sup.2 are built up on the hot-melt films (3).
The individual layers of the flat drive belt can be produced with high precision and, as a composite, form a sheet-like structure which is very regular with respect to thickness and weight per unit area. The starting material, produced as meter ware, for the flat drive belt can be cut without effort by the user from rolls and can be joined under the action of pressure and heat into a continuous form, without thickenings and joint gaps, in the way required for the kinematic behavior of fast-running drive belts.
REFERENCES:
patent: 2514429 (1950-07-01), Waugh
patent: 3252484 (1966-05-01), Meyer et al.
patent: 3558390 (1971-01-01), Habegger
patent: 3944060 (1976-03-01), Hartmann
patent: 4109543 (1978-08-01), Foti
patent: 4184589 (1980-01-01), Habegger
patent: 4264315 (1981-04-01), Imamura
patent: 4296640 (1981-10-01), Nosaka
patent: 4371580 (1983-02-01), Morrison et al.
Page 44 from F. M. Sokolowa and G. D. Tamulewitsch "Keilriemen" M. "Chemie", 1973.
Cuervo Lori
Czaja Donald E.
Habasit AG
Selitto, Jr Ralph W.
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