Clamp system

Details Clamp system Clamp system

1998-08-31

2001-01-23

Gallagher, John J. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C024S455000, C024S570000, C083S039000, C083S044000, C083S054000, C156S060000, C156S312000, C156S349000, C264S159000

Reexamination Certificate

active

06176963

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject invention relates to a clamp and a method of fabricating counter tops uses the clamp.
2. Description of the Prior Art
Various clamp configurations are known to the prior art. The clamps are typically made from a process dedicated to making a clamp of a specific configuration, i.e., a well known C-clamp having a forged or cast metal frame defining one jaw and a second jaw threadedly supported by the other jaw. Clamps of a more simple configuration are known but are also made by special fabrication techniques. One example is a spring clamp for a collapsible tube wherein the clamp is made of metal and is elongated with a circular cross section having a mouth for engaging a toothpaste tube, or the like, and shown in U.S. Pat. No. 607,530 to Taylor. A similar clamp is shown in U.S. Pat. No. 1,406,439 to Boyler and U.S. Pat. No. 2,021,609 to Pippert. The U.S. Pat. No. 2,025,848 to Collis discloses a C-shaped clamp having radially extending handles for facilitating the opening of the clamp. A clip similar to one used to hold the trousers of a bicyclist against his leg is shown in U.S. Pat. No. 4,747,496 to Rendine to squeeze the side walls of a plastic bottle.
However, none of the clamps known to prior art are efficient for fabricating counter tops of synthetic stone. The craftsman is need of a simple yet effective clamp which is easily manipulated for fabricating counter tops.
SUMMARY OF THE INVENTION AND ADVANTAGES
The invention encompasses a method for making a clamp, the clamp per se, and a method of fabricating counter tops using the clamp.
The first is a method for making a clamp from a tube having a predetermined wall thickness extending circularly around a longitudinal axis comprising the steps of cutting the tube transversely to the longitudinal axis to define a ring having a predetermined width, and cutting a slit in the ring across the width thereof to define jaws of a C-shaped clamp.
Accordingly, there is produced a C-shaped clamp comprising a circular ring of a predetermined diameter and having side edges and a predetermined radial wall thickness extending through a predetermined width between the side edges, and a slit extending across the width of the ring to define jaws on either side of the slit.
The invention also includes a method for fabricating a counter top by clamping work pieces using a plurality of the circular clamps comprising the steps of opening the jaws to increase the opening of the slit, placing the jaws on opposite sides of a work piece, and releasing the jaws to engage and grip the work piece.


REFERENCES:
patent: 607530 (1898-07-01), Taylor
patent: 1406439 (1922-02-01), Boyler
patent: 1734379 (1929-11-01), Hitchcock
patent: 1897548 (1933-02-01), Butterworth
patent: 2021609 (1935-11-01), Pippert
patent: 2025848 (1935-12-01), Collis
patent: 4164058 (1979-08-01), Barna
patent: 4617849 (1986-10-01), Ligon
patent: 4747496 (1988-05-01), Rendine
patent: 4934540 (1990-06-01), Novak
patent: 4970760 (1990-11-01), Hawkins
patent: 5188637 (1993-02-01), Wadsworth
patent: 5611123 (1997-03-01), Prizzi
patent: 717914 (1954-11-01), None
patent: 5270188 (1993-10-01), None
patent: 5-270188 (1993-10-01), None

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