Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
1999-02-08
2001-08-28
Till, Terrence R. (Department: 1744)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C015S227000, C015S210100
Reexamination Certificate
active
06280529
ABSTRACT:
BACKGROUND—FIELD OF THE INVENTION
This invention relates to the cleaning and conditioning of tools and instruments, specifically to a device for such cleaning and conditioning which may be used more efficiently and easily.
BACKGROUND—DESCRIPTION OF THE PRIOR ART
Workers, technicians, and professionals such as surgeons, sculptors, solderers, dentists, and others use tools and instruments which become contaminated with fluids, debris, and other substances in the course of their work. Often, both hands are used to manipulate the instruments or the instrument and the treated object. To clean the instrument, one hand must release the object being held for modification, lift wiping material to and wipe the instruments, and then return the wipe, forcing ones eyes to leave the working field and then reorient. For example, a dentist may use a scraper which then becomes contaminated with hardened material scraped from a tooth. The dentist must frequently wipe the accumulated calculus off to continue using the curette effectively. This diversion is disadvantageous and even dangerous since the work must be interrupted and the patient ignored temporarily.
Workmen who solder fine components frequently clean hot iron tips on sponges. Sculptors carving wax, clay, plastic, or wood must dispose of the material which adheres to tools to maintain good visibility.
Various prior-art references show devices which are relevant to, but do not solve, the problems of inconvenience, interrupted visibility, and time losses. U.S. Pat. No. 4,212,296 to Schaar (1980) reveals a bandage covered by an adhesive strip for its attachment but does not expose a surface suitable for wiping. U.S. Pat. No. 4,285,338 to Lemelson (1981) discloses a rigid bandage attached by an outer adhesive tape which again exposes no utilitarian surfaces. U.S. Pat. No. 4,966,595 to Meringola and Lo Duca (1990) exposes a surgical sponge of multi-layered gauze which may be attached to a wound by the awkward expedient of joining twill tie-down strips. U.S. Pat. No. 5,328, 449 to Andrews et al. (1994) shows a glove with multiple layers of gauze internally positioned to absorb moisture, but again provides no exposed wiping surface. U.S. Pat. No. 5,820,578 to Johansen (1998) discloses a bandage which may be affixed over a wound by use of adhesive tabs on its outer exposed surfaces. However, this bandage lacks the simplicity and economy required by most workers.
3
M and others manufacture cellulose adhesive tapes which may be used to tape a pad's edges to an appropriate surface but such procedures are laborious and time-demanding.
OBJECTS
Accordingly, several objects and advantages of the present invention are:
(1) to provide a way in which users of instruments and tools can more conveniently wipe them,
(2) to provide a wiping device with which the operator can see the wipe surface without losing any view of or orientation toward the treated object,
(3) to provide a wiping device with which the operator may continue to hold the treated object while wiping,
(4) to provide a wiping device with which collaborating operators may share the same wipe,
(5) to provide a wiping device with which an enchant, lubricant, or pigment may be added to an absorbent pad for subsequent delivery to the tool,
(6) to provide a wiping device with which any valuable material, removed as excessive, may be reclaimed, and
(7) to provide an easy-to-use abrasive or honing surface for dressing tool surfaces. Still further objects and advantages will become apparent from a consideration of the ensuing description and drawings.
Further objects and advantages are to provide multiple functional surfaces in positions within the visualized treatment field and to provide a device which is advantageously useful:
REFERENCES:
patent: 1006741 (1911-10-01), Ferry
patent: 1730266 (1929-10-01), Dailey
patent: 2249936 (1941-07-01), Birtcher
patent: 2651071 (1953-09-01), Dyer et al.
patent: 2763885 (1956-09-01), Lyons
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patent: 3231918 (1966-02-01), Marks
patent: 3885249 (1975-05-01), De Brabander
patent: 4212296 (1980-07-01), Schaar
patent: 4285338 (1981-08-01), Lemelson
patent: 4510640 (1985-04-01), Omori
patent: 4616644 (1986-10-01), Safferstein et al.
patent: 4621388 (1986-11-01), Ortolivo
patent: 4635624 (1987-01-01), Gilman
patent: 4645251 (1987-02-01), Jacobs
patent: 4667666 (1987-05-01), Fryslie
patent: 4757556 (1988-07-01), Girard
patent: 4907579 (1990-03-01), Kum
patent: 4966595 (1990-10-01), Meringola
patent: 5074293 (1991-12-01), Lott et al.
patent: 5079792 (1992-01-01), D'Haen
patent: 5180360 (1993-01-01), Rhame
patent: 5280664 (1994-01-01), Lin
patent: 5328449 (1994-07-01), Andrews et al.
patent: 5718695 (1998-02-01), Keegan et al.
patent: 5820578 (1998-10-01), Johansen
patent: 5833646 (1998-11-01), Masini
Dunaway Darcy M.
Flehr Hohbach Test Albritton & Herbert LLP
Till Terrence R.
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