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| Number | Title | Issue Date |
| 3970341 | Vacuum lifting unit including a suction cup A vacuum lift is formed with an upper housing cover shaped portion having a central opening in which travels a vertically movable piston rod which has a piston disk at its lower end adapted to be selectively positioned to open or close an aperture in a su... | 07/20/1976 |
| 3964953 | Apparatus and method for laminating liner to box blank Apparatus and method for laminating a liner to a box blank in which a shuttle arrangement is provided to alternately pick up and place liners and blanks in proper registration for lamination. Such apparatus and method includes a shuttle arrangement with a... | 06/22/1976 |
| 3958971 | Method of manufacturing a tubular lamp envelope The invention relates to a method of manufacturing a torus-shaped lamp envalope in which a straight tube is softened by heating and is then bent in a vertical plane around a bending mould and is again cooled after which the cooperation of the still slight... | 05/25/1976 |
| 3957296 | Vacuum multiplier This apparatus securely interconnects a line or an instrumentation package to a rigid surface underwater. A suction cup member has a lip which pliably accommodates the surface and allows a trigger mechanism to be brought in contact with the surface. The t... | 05/18/1976 |
| 3957263 | Telescopic suction member for feeding sheet material Apparatus for handling sheet material incorporates a suction member for engaging and lifting individual sheets in order to separate and feed them. The suction member is mounted on a telescopic structure adapted to move outwardly to engage a sheet and to r... | 05/18/1976 |
| 3955843 | Vacuum-lifting apparatus A vacuum lifting device for lifting articles having curved surfaces comprises at least one suction cup having a vacuum chamber subdivided into a plurality of segments which are displaceable relative to one another to conform to the surface of the article ... | 05/11/1976 |
| 3940172 | Vacuum-actuated pick-up instrument A pencil-size instrument body has a manually operable valve to control an air passage connected to a vacuum source. A first hollow axle projecting forward from the body carries a rotary finger control member. A rigid air tube of small diameter is mounted ... | 02/24/1976 |
| 3934916 | Vacuum pickup cup An article transfer apparatus and method is provided wherein a plurality of article pickup heads mounted on a movable support means is operative to pick up a plurality of spaced articles at a transfer station and move the articles to an output area while ... | 01/27/1976 |
| 3934914 | Device for inserting and removing contact lens A device for aid in inserting or removing a contact lens including an elongate, resilient, cylindrical tube having a contact lens holding cup formed at one end thereof communicating with the interior of the tube. A light transmitting closure member is pre... | 01/27/1976 |
| 3933388 | Interlock control system for a fluid-operated hoist Fluid-operated, load-handling apparatus is provided with an interlock control system. The fluid-operated apparatus specifically is a pneumatically-operated hoist having a two-handle operator control, one for raising a load and one for lowering the load. T... | 01/20/1976 |
