Brush head, a method and a machine for manufacturing thereof

Details Brush head, a method and a machine for manufacturing thereof Brush head, a method and a machine for manufacturing thereof

1989-07-17

1991-10-01

Weiss, John G.

Toilet

Toothpick

And motor driven mechanism or fluid applicator

15180, 264243, 300 21, 425805, A61C 306, A61C 1700, A46B 1302, A46D 108

Patent

active

050524194

ABSTRACT:
A brush head for cleaning and massaging the teeth and gums is disclosed having a bundle of parallel fibers welded together to form a bottom plate. The brush head is produced by continuously feeding the parallel fibers to a heated mandrel, partially melting one end of the fiber bundle to form a bottom plate with a surplus of melted material extending away to form an extended bottom plate. The extended bottom plate is removed, leaving a bottom plate which is sufficiently rigid so as to be directly attachable to a driving device. The welded bottom plate assures that fibers remain firmly attach to prevent fibers from loosening or separating from the brush.

REFERENCES:
patent: 1809494 (1932-11-01), Priest
patent: 3120671 (1964-02-01), Miller
patent: 3604043 (1971-09-01), Lewis
patent: 3910637 (1975-10-01), Lewis
patent: 3978852 (1976-09-01), Annoui
patent: 4447208 (1984-05-01), Kawai
patent: 4869277 (1989-09-01), Olsen

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