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Class 76/27 - Roller


Subclass of Class 76 - Metal tools and implements, making
Definition: Machines for stretching and straightening saw-blades, comprising
No. of patents: 15
Last issue date: 11/30/2004


NumberTitleIssue Date
6823759Method and apparatus for strengthening and leveling a saw blade
An apparatus for leveling and strengthening a rim of a saw blade is disclosed which includes a rotatable support for holding a saw blade, a first arm with a contact bearing for contacting a first face of a saw blade mounted in the support, and a second arm with a co...
11/30/2004
6745644Method for guiding an endless band-saw blade
In installations for truing up band blades, band-saw blades must be precisely measured, in order to be trued up accurately. The band-saw blade to be trued runs over two deviation stations and is trued up in the upper linear guide area. The invention provides a saw-b...
06/08/2004
6543433Method and a device for dressing a saw blade
A dressing center with a roller unit wherein a saw blade is smoothed. The saw blade is led centrically to an ideal plane between corresponding roller pairs. Each roller pair has a roller with a convex running surface and a roller with a concave running su...
04/08/2003
6298762Saw blade with inserted multi-tooth arcs
Solid carbide segments are brazed to the rim of a steel body and then teeth are ground into them. This allows more teeth/inch on the perimeter and larger diameter blades than on previous carbide-tipped blades. The segments, which typically form an arc of ...
10/09/2001
6105466Band saw blade tensioning machine
A band saw blade tensioning machine with a tensioning station for rolling tension into the band saw blade and a measuring station disposed above the saw blade for recording the curvature across the band saw blade while this is travelling freely from an el...
08/22/2000
6067879Procedure and apparatus for straightening a circular-saw blade into a desired shape
Procedure for straightening a circular-saw blade (2), in which procedure the blade (2) is mounted on a shaft (3). The geometry of the blade is measured, the measured values are compared with reference values, deformations in the blade are straightened by ...
05/30/2000
5931057Apparatus for straightening long saw blades, especially for band saws
A machine table (16) on which a saw blade (10) is movable in a direction of movement (A) which essentially conforms to the longitudinal extension of the saw blade is provided with a first measuring station (22) for measuring the saw blade (10) in a measur...
08/03/1999
5826465Band saw blade manufacturing method
A method of and apparatus for handling a band saw for the purposes of effecting manufacturing and/or repair operations upon the band saw characterized by, during such manufacturing and/or repair operations upon the band saw (5), supporting the band saw in...
10/27/1998
5557989Band saw blade tensioning device
A device for securing and tensioning a band saw blade, including a rectangular base member having a longitudinal axis, and a disk member fixedly attached at one end of the base member, the disk member holding a first end of the band saw blade in place. A ...
09/24/1996
5522283Circular saw leveling and tensioning machine
A circular saw blade straightening and tensioning machine has a set of straightening and tensioning rollers on both sides of a saw blade. The rollers are mounted on parallel shafts. Each shaft has a hub at its end, comprising a center portion horizontally...
06/04/1996
5269205Circular saw blade straightening machine
A circular saw blade straightening machine for eliminating unevenness in circular saw blades is disclosed, having straightening rollers disposed on both sides of the saw blade. The rollers are disposed opposite one another on a straight line passing throu...
12/14/1993
4887494Saw benching rolls
A set of two saw benching rolls. Each roll has a surface divided into two sections. One section is in the form of a convex surface and the other is in the form of a concave surface. The rolls are mounted in an opposed relationship and are operable to appl...
12/19/1989
4875393Apparatus for tensioning and deforming saw blades
An apparatus for tensioning the metal in the saw blade, and at the same time deform the saw blade allowing the saw to cut a narrow kerf. The apparatus dishes or deforms the saw blade to remove kinks therein, it includes a support for the saw blade which p...
10/24/1989
4852430Band saw straightening apparatus
A band saw straightening machine having a sensor for detecting unevenness, a straightening station having special pairs of cooperative, complementarily shaped, blade staddling convex and concave rollers, a blade velocity measuring device, and a blade driv...
08/01/1989
4085630Apparatus for adjusting condition of metal of saws
Apparatus including upper and lower rolls between which a supported saw extends, the lower roll having an annular groove in the periphery thereof dividing it into two annular roll sections. Pressure means connected to the upper roll is operable to move th...
04/25/1978
 
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