Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1997-02-13
1999-04-20
Huson, Gregory L.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222568, 222 1, B67B 700
Patent
active
058949569
ABSTRACT:
A disposable replacement tip for caulking tubes includes a conical first end portion tapered acutely to a distal sharpened point. The exterior of the first end portion is provided with threads, and an intake port adjacent to the sharp point extends diametrically through the tubular member. Joined to the wide end of the first end portion is a generally cylindrical, tubular central portion. A second end portion extends from the central portion in opposition to the first end portion, both end portions being aligned along a common axis. The second end portion comprises another conical tubular member tapered acutely to an open end. A continuous flow space extends from the intake port, through the interiors of the first end portion, the central portion, and the second end portion to the open end thereof. The sharpened point of the first end portion may be driven into the end opening of a caulking tube, or through the sidewall of the tube, and the device is rotated manually. The external threads of the first end portion are self-tapping and self sealing, so that the first end portion is urged proximally, piercing the blockage at the distal end opening and translating the intake port into the caulking tube to access the unsolidified, flowable material therein. All flowable material within the caulking tube is directed into the intake port and thence through the device to the opening of the second end portion, whereby all usable material within the caulking tube is discharged.
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patent: 5249716 (1993-10-01), O'Sullivan
patent: 5295601 (1994-03-01), Bostleman
patent: 5346380 (1994-09-01), Ables
Huson Gregory L.
Zimmerman Harris
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