Pull throughs

Details Pull throughs Pull throughs

2005-05-10

2005-05-10

Chin, Randall (Department: 1744)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C015S104160, C264S265000

Reexamination Certificate

active

06889402

ABSTRACT:
A pull through such as might be used for an endoscope where a thermaplastics monofilament substantially free of spool or coil memory has molded thereon a desirable thermoplastic mass profile in a material of lower melting point than at least part of the filament, such melting point differential with preferably pre-heating of the filament ensuring an appropriate keying of the profile on the filament.

REFERENCES:
patent: 3205518 (1965-09-01), Romaine
patent: 4873778 (1989-10-01), Stipp
patent: 4962607 (1990-10-01), Baldwin
patent: 5171925 (1992-12-01), Mekler
patent: 5555588 (1996-09-01), Viesehon
patent: 5651207 (1997-07-01), Knight
patent: 5972125 (1999-10-01), Hedge
patent: 6088866 (2000-07-01), Hedge
patent: 741733 (1998-04-01), None
patent: 8-173379 (1996-07-01), None
patent: WO0010476 (2000-03-01), None

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