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| Number | Title | Issue Date |
| 4015372 | Cam-controlled grinding method In the cam-controlled "sizematic" type grinding method and apparatus therefor, a novel "in process" "gagematic" type measuring means has been introduced so as to maintain the strong points of the former and develop a new grinding method and apparatus capa... | 04/05/1977 |
| 4014142 | Method and apparatus for grinding at a constant metal removal rate A method and apparatus for conditioning steel by grinding at a constant metal removal rate by monitoring net power and the normal force between the wheel and the workpiece, and adjusting the normal force to achieve a given, predetermined metal removal rat... | 03/29/1977 |
| 4014141 | Apparatus and method for controlling magnetic head surface formation A head is moved toward and rotated against an abrasive while its resistance is monitored by a four-lead bridge. Two leads from the head are connected to two slip rings, and each slip ring has two pairs of brushes, each wire from the bridge going to a diff... | 03/29/1977 |
| 3998681 | Method of making a hickey roller An improved hickey roller and method of making same is provided wherein such roller has a longitudinal axis and comprises an outer portion made of an elastomeric matrix having a substantially cylindrical outside surface and a plurality of elongated fibers... | 12/21/1976 |
| 3992823 | Apparatus and methods for shaping recoil pads Apparatus and methods for shaping a gun recoil pad, by mounting a gun stock and carried initially oversize pad for universal pivotal movement about a predetermined center while the stock is turned about generally its longitudinal axis relative to an abrad... | 11/23/1976 |
| 3988863 | Structure for and method of total form abrasion machining A machine for producing a rotary orbital motion between a cutting master having an abrasive mirror image surface of a form to be abraded into a friable material and a workpiece of friable material while moving the surface of the cutting master and workpie... | 11/02/1976 |
| 3988864 | Structure for and method of total form abrasion machining A machine for producing a rotary orbital motion between a cutting master having an abrasive mirror image surface of a form to be abraded into a friable material and a workpiece of friable material while moving the surface of the cutting master and workpie... | 11/02/1976 |
| 3975866 | Method and apparatus for machining housings for slant axis rotary mechanisms Method and apparatus for machining an end surface for a housing for a slant axis rotary mechanism having a slant angle of .crclbar. and a rotor to shaft to housing timing ratio of SR /SS SH. The method includes the steps o... | 08/24/1976 |
| 3974597 | Rail base grinding method A rail base grinding apparatus comprises a self-powered vehicle adapted for movement along a trackway to the location of a welded joint formed between two rails in the trackway. A pantograph linkage extends from one side of the vehicle and supports a lead... | 08/17/1976 |
| 3963427 | Method for improving tire uniformity A method and apparatus for improving tire uniformity with respect to radial force variation and free radial run-out is disclosed. The method comprises continuously rotating the tire about its own rotational axis under a constant normal load, measuring the... | 06/15/1976 |
| 3955213 | Intermediate product assembly of a magnetic head A head is moved toward and rotated against an abrasive while its resistance is monitored by a four-lead bridge. Prior to final manufacture, the head includes a highly conductive segment which surrounds the active head element on three sides and is electri... | 05/04/1976 |
| 3950895 | Method and apparatus for grinding work pieces A method and apparatus for grinding work pieces having internal chambers comprising loading blank work pieces onto respective ones of a plurality of mandrels provided on a rotatable member which member is rotatable about an axis of rotation extending para... | 04/20/1976 |
| 3943666 | Method and apparatus for burnishing flexible recording material A method and apparatus for treating the recording layer of flexible recording elements to remove protruding agglomerated particles formed during the fabrication process and to provide an extremely smooth surface finish on the order of 1.8AA or less. Sever... | 03/16/1976 |
| 3932965 | Method for tire tread finishing The surface appearance of a tire tread finished by grinding to alleviate force variations in the tire is improved by reversing the grinding mode of one of the usual two grinding wheels. The effect is particularly useful in tires having large open block pa... | 01/20/1976 |
