Cutting of glass专利检索-磁阻头电磁学专利检索查询-专利查询网

Cutting of glass

阅读：896发布：2023-04-17

专利汇可以提供Cutting of glass专利检索，专利查询，专利分析的服务。并且Cutter heads in a glass-cutting machine are actuated, using a constant-reluctance motor means. Score lines of predetermined depth are obtained, despite small variations in the thickness of the glass, and without use of a pneumatic system that is slowacting and difficult to maintain. The pressure exerted by the cutter head responds rapidly to changes in the d-c potential supplied to the motor means, making it possible to vary the depth of the score as desired during the making of a pattern cut, which could not be done with the pneumatic or spring-loaded means of the prior art.，下面是Cutting of glass专利的具体信息内容。

权利要求

1. An apparatus for cutting glass comprising, in combination, an adjustable source of current, a constant-reluctance motor means operatively connected to said source of current, and cutter-head means comprising a cutter wheel for scoring said glass operatively connected to said constant-reluctance motor means to move said cutter wheel in a direction that intersects a major surface of said glass.

2. Apparatus as defined in claim 1, characterized in that said constant-reluctance motor means is operatively connected to an adjustable source of direct current.

3. Apparatus as defined in claim 2, characterized in that said constant-reluctance motor means comprises a direct-current torque motor.

4. Apparatus as defined in claim 1, said apparatus being further characterized in that said current source comprises a function generator and a null-balance potentiometer operatively connected therewith.

5. Apparatus for cutting glass comprising, in combination, a motor means including a movable member therein, means for moving said member solely within the constant-reluctance range of said motor, and cutter-head means comprising a cutter wheel for scoring said glass operatively connected to said constant-reluctance motor means to move said cutter wheel in a direction that intersects a major surface of said glass.

6. Apparatus as defined in claim 5, said apparatus being further characterized in that said motor means comprises a direct-current torque motor.

7. Apparatus as defined in claim 5, said apparatus being further characterized in that said means for moving said member comprises a function generator and a null-balance potentiometer operatively connected therewith.

8. A method of producing a score line upon a sheet of glass, said score line being of predetermined depth at predetermined locations along the extent of said score line, said method comprising the step of activating a substantially constant-reluctance motor means that is operatively associated with a cutter wheel means to move said cutter wheel means in a direction that intersects a major surface of said glass.

9. A method as defined in claim 8, said method being further characterized in that said score line forms a closed loop, said substantially constant-reluctance motor means being operated so as to produce in portions thereof corresponding to the corners of said loop a score having a greater depth than said score exhibits in the remaining portions of said loop.

10. A method as defined in claim 8, characterized in that said substantially constant-reluctance motor means comprises a direct-current torque motor.

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Cutting of glass

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