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| Number | Title | Issue Date |
| 4185609 | Band type lapidary saw A band type stone saw comprising a toothless blade having its cutting reach inclined and ascending toward the workpiece and wetted with continuously agitated liquid and abrasive slurry so that the slurry advances to the cutting edge of the blade and the b... | 01/29/1980 |
| 4181115 | Power control of a stone cutting machine having cutting chains In a stone cutting machine having a cutting chain rotated by a motor and a separate power feed for the machine, the power consumption of the drive motor is monitored. When the power consumption falls below a minimum, a control signal is generated to incre... | 01/01/1980 |
| 4172440 | Cutting monofilament Cutting filaments having a long service life consist of a monofilament of a synthetic polymer into which from 0.3 to 10 percent by weight of an abrasive are incorporated. In the cutting process the abrasive is not ripped off, as it does happen with steel ... | 10/30/1979 |
| 4167174 | Method and apparatus for aligning the streets of a semiconductor wafer A method and apparatus for aligning the streets of a semiconductor wafer for sawing or scribing with a single motion control switch. One end of a street is first aligned with a reticle in the Y-direction with this motion control switch. The wafer is then ... | 09/11/1979 |
| 4160439 | Cutting-off machine for hard bodies The invention relates to a machine for cutting hard bodies, characterized by the fact that it comprises two power-driven rotatable drums with parallel axes, each provided with a helical groove on its peripheral surface. An abrasive metallic wire is wound ... | 07/10/1979 |
| 4134384 | Wire saw with rotatable guide sleeve A rotatable sleeve for guiding at least one strand of wire, for example, includes a tubular outer member bonded to a tubular, dimensionally stable inner member which is press fitted onto a rotatable shaft. Dimensional stability is imparted from the inner ... | 01/16/1979 |
| 4097246 | Method of making an abrasive wire for sawing stone Improved method of making an abrasive wire for sawing stone. The improvement resides in the step of affixing the solid abrasive body to the support element. This step is accomplished by deforming the axially protruding free end of the underlying smaller d... | 06/27/1978 |
| 4089561 | Cutter chains having picks and to picks therefor In an endless cutter chain having picks mounted on pick boxes, the picks have abutment portions so that angular movement of a pick and pick box in the plane of movement of the chain is limited by an abutment surface on one pick abutting against an abutmen... | 05/16/1978 |
| 4067312 | Automatic feedback control for wire saw To maintain a constant cutting pressure in the cutting wire of a stone cutting wire saw for efficient sawing, the sensor of a radio frequency inductive proximity switch is mounted near the bowed section of the sawing wire to monitor its degree of bow. Whe... | 01/10/1978 |
| 4061126 | Ceramic tile cutting apparatus A ceramic tile cutting apparatus utilizes a motor driven blower device to collect ceramic dust into a container providing vertical support to the cutting apparatus. A drawer is employed to collect the dust and may be slideably disengaged passing through a... | 12/06/1977 |
| 4044509 | Method of and device for grinding grooves A method of grinding fine grooves in workpieces of in particular ceramic material while using a wire sawing machine in which the wires are stretched in grooves on the outer circumference of a rotatable drum and project above the surface of the drum with a... | 08/30/1977 |
| 4038962 | Automatic power controller for a wire saw To maintain the cutting wire of a wire saw properly bowed with a substantially constant cutting pressure on the stone, an automatic power controller is utilized consisting of a meter with relay contacts. The meter measures the current flowing to the main ... | 08/02/1977 |
| 4031878 | Crown cutting wire A wire saw having improved stress-fatigue characteristics is disclosed. The saw comprises an elongated flexible metallic body having a substantially circular cross section, and a pluraity of cutting segments or blocks of comminuted abrasive in a bonding m... | 06/28/1977 |
| 4016857 | Epoxy bond diamond saw A cutting tool is disclosed comprising a plurality of blocks of composite, comminuted abrasive in a metal matrix, resiliently mounted to a metallic substrate by an elastically pliant epoxy based adhesive. In a preferred embodiment of the invention a relat... | 04/12/1977 |
| 4016856 | Wire cutting machine A machine for cutting a preselected shape in a work piece along X and Y axes, the machine utilizing a diamond wire cutting means traveling along a Z axis. A diamond wire cutting machine adapted for use with a milling machine. The cutting machine includes ... | 04/12/1977 |
| 4015931 | Bonded-abrasive wire saw This improved wire saw for sawing various materials, including, for example, granite, marble, limestone and the like comprises in combination an elongated abrasive carrier of novel design and bonded abrasives secured thereto. The carrier comprises a plura... | 04/05/1977 |
| 3957028 | Wire-type cutting machine A wire-type cutting machine comprising a continuously moving wire which is guided over rollers supported by a set of rigid arms in the form of a parallelogram. The wire is pressed against the workpiece by deformation of the parallelogram. Accurate control... | 05/18/1976 |
| 3942508 | Wire-saw A wire saw having a single wire extending from a feeding roller to a take-up roller through a seesaw means and an array-forming and controlling means, so as to form a wire array at an intermediate portion, which wire array is reciprocated for sawing a wor... | 03/09/1976 |
