Band saw blade
First Claim
Patent Images
1. A band saw blade comprising:
- a base for supporting teeth, the base having a top surface defined by a reference axis; and
teeth extending from the top surface wherein each tooth has a face surface and a back surface intersecting to form edges for each tooth and wherein the back angle of at least one tooth is thirty two degrees or more.
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Abstract
The invention relates to the structure of a band saw blade. The band saw blade has teeth with an improved geometrical shape that increases the efficiency of the blade. The tooth shape of a band saw blade is defined in part by the back angle and the hook angle, wherein the back angle of the disclosed embodiment exceeds the value of back angle of conventional band saw blades.
64 Citations
20 Claims
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1. A band saw blade comprising:
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a base for supporting teeth, the base having a top surface defined by a reference axis; and
teeth extending from the top surface wherein each tooth has a face surface and a back surface intersecting to form edges for each tooth and wherein the back angle of at least one tooth is thirty two degrees or more. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A tooth supported by a base of a band saw blade, the tooth structure comprising:
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a tooth base abutted to the band saw blade base;
a backside surface extending from the tooth base;
a face surface extending from the tooth base, wherein the face surface intersects the backside surface forming a tooth edge;
and a back angle that is at least 32 degrees where the back angle is measured between a line parallel to the tooth base and a line extending tangentially from the backside of the tooth edge wherein the lines intersect at the tooth edge. - View Dependent Claims (8, 9, 10, 11)
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12. A band saw blade comprising:
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a base for supporting teeth where the base has a top surface, side surfaces and a bottom surface;
one or more first teeth that have a back angle of 31 degrees or less; and
one or more second teeth that have a back angle greater than 31 degrees. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for cutting material comprising the steps of:
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providing a band saw blade with teeth having a back angle greater than 32 degrees;
rotating the band saw blade; and
bringing the band saw blade into contact with the material. - View Dependent Claims (19, 20)
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Specification