Twisted wire brush and method making
AssigneeBrushtech, Inc.
InventorZaven Gunjian
Life of this patent
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Abstract
A twisted wire brush comprises a twisted wire core, and first and second lengths of spring coil. The twisted wire core comprises a first core wire intertwined with a second core wire. The first and second lengths of spring coil extend about the first core wire, and the second length of spring coil extends about the first length of spring coil. The first and second lengths of spring coil are pressed between the first core wire and the second core wire. In another embodiment, a method of making a twisted wire brush comprises providing a first and a second core wire, positioning a first length of spring coil to extend inside a second length of spring coil, and the first and second lengths of spring coil to extend about the first core wire, and twisting the first core wire and the second core wire about a core axis.
Claims20
A twisted wire brush comprising:
- a twisted wire core having a first length and defining a core axis, the twisted wire core comprising a first core wire and a second core wire, the first core wire and the second core wire intertwined, the first core wire and the second core wire twisting helically about the core axis;
- a first length of spring coil;
- and
- a second length of spring coil,
- the first length of spring coil having a first diameter and extending about the first core wire,
- the second length of spring coil having a second diameter and extending about the first core wire,
- the second diameter being larger than the first diameter and the first length of spring coil extending inside the second length of spring coil,
- the first length of spring coil and the second length of spring coil being pressed between the first core wire and the second core wire.
A method of making a twisted wire brush, the method comprising:
- providing a first core wire and a second core wire;
- positioning a first length of spring coil to extend inside a second length of spring coil, the first length of spring coil and the second length of spring coil extending about the first core wire so that the first core wire extends through the first length of spring coil and the second length of spring coil;
- and
- twisting the first core wire and the second core wire about a core axis to form a helix, to intertwine the core wires, and to press each length of spring coil between the first core wire and the second core wire.
Dependencies are inferred from the claim text.