Method of manufacturing fiber bundles for use in brushes

Details Method of manufacturing fiber bundles for use in brushes Method of manufacturing fiber bundles for use in brushes

1986-11-05

1987-10-06

Eley, Timothy V.

Brush, broom, and mop making

Miscellaneous

300 8, 300 21, A46D 100, A46B 904

Patent

active

046978518

ABSTRACT:
A method for manufacturing a final fiber bundle for use in brushes is highly efficiently applicable to synthetic fibers having poor thermal stability. The method comprises the steps of: (a) arranging a number of synthetic thermoplastic fibers so that at least one end of each fiber is positioned in the same plane, to obtain a fiber bundle, (b) compressing the thus obtained fiber bundle to the extent that the compressed fiber bundle takes a desired cross-sectional shape and has a desired bulk density, (c) irradiating the fiber ends in the same plane with energy beams to fusion bond them together, and (d) releasing the compression to obtain a final bundle having a fusion bonded fiber ends. In a case where the synthetic fibers are not thermoplastic, a thermoplastic adhesive is additionally used in the step of irradiation.

REFERENCES:
patent: 3926475 (1975-12-01), McCaffray, Jr.
patent: 4441227 (1984-04-01), d'Argembeau
patent: 4592594 (1986-06-01), d'Argembeau

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