Abstract: A composite piston (10) for a motor vehicle transmission comprises a support body (14) and at least one rotationally symmetric annular seal comprising an elastomer sealing lip (16, 17) interacting in a sealing manner with a component (11, 12) forming a cylindrical sliding surface (21, 23), wherein the composite piston (10) can be displaced translationally relative to the component (11, 12) forming the cylindrical sliding surface. The annular seal comprises an elastomer annular bead (20, 22) displaced axially relative to the sealing lip (16, 17), wherein the annular bead is arranged to have a distance d1, d2 from the sliding surface (21, 23) in the non-loaded state larger than or equal to zero.

Abstract: A laser system, which is used in material processing to produce a radiation line of small width and uniform high intensity in the longitudinal direction, produces radiation that has different mode numbers M2 perpendicular to the propagation direction.

Abstract: A laser system, which is used in material processing to produce a radiation line of small width and uniform high intensity in the longitudinal direction, produces radiation that has different mode numbers M2 perpendicular to the propagation direction.

Abstract: An optical system for projecting an image of a photomask on a substrate, using a Schwarzschild objective includes an excimer laser, beam shaping optics for shaping a laser beam from the laser and a beam-dividing prism. The beam-dividing prism has a dividing-face including four facets inclined at an angle to each other. The four facets divide the shaped beam into four beam-portions propagating at an angle to the system axis. The beam-portions overlap at the photomask and mutually diverge into the entrance aperture in the concave mirror of the Schwarzschild objective such that all of the light in the beam portions is incident on the convex mirror of the objective in an annular zone outside of the central obscuration zone of the convex mirror. This essentially eliminates transfer losses normally caused by this obscuration zone.

Abstract: An optical system for projecting an image of a photomask on a substrate, using a Schwarzschild objective includes an excimer laser, beam shaping optics for shaping a laser beam from the laser and a beam-dividing prism. The beam-dividing prism has a dividing-face including four facets inclined at an angle to each other. The four facets divide the shaped beam into four beam-portions propagating at an angle to the system axis. The beam-portions overlap at the photomask and mutually diverge into the entrance aperture in the concave mirror of the Schwarzschild objective such that all of the light in the beam portions is incident on the convex mirror of the objective in an annular zone outside of the central obscuration zone of the convex mirror. This essentially eliminates transfer losses normally caused by this obscuration zone.

Abstract: Disclosed is a method of producing tubular knitted articles for ready-to-wear clothes pieces, on a flat knitting machine with at least two oppositely located needle beds and a carriage with at least three knitting systems. In a first carriage passage narrowing of a knitted piece suspended on a front needle bed in one edge region, stitch formation for a knitted piece suspended on a rear needle bed, and reduction of a rear knitted piece in an opposite edge region of the knitted piece are performed. In a second carriage passage narrowing of the rear knitted piece in one edge region, stitch formation for the front knitted piece, and narrowing of the front knitted piece in an opposite region of the knitted piece are performed. The two proceeding steps are repeated until a desired narrowing of a knitted product is provided.

Abstract: An elastomer seal between a piston and a cylinder or a shaft of an automatic automobile transmission.

Abstract: For producing knitted products with several knitting planes on a two bed flat knitting machine, all needles of one needle bed are usable for producing of stitches for a knitting plane, and the production of additional knitting plane is performed so that the stitches of another plane are transferred to the transfer element and held there, until new stitches for the knitting plane must be formed.

Abstract: For producing knitted products with several knitting planes on a two bed flat knitting machine, all needles of one needle bed are usable for producing of stitches for a knitting plane, and the production of additional knitting plane is performed so that the stitches of another plane are transferred to the transfer element and held there, until new stitches for the knitting plane must be formed.

Abstract: The invention is directed to a method and an arrangement for controlling an operating variable of a motor vehicle wherein the controller has at least one changeable parameter. This parameter of the controller is changed in dependence upon the operating range of the actuator, which is driven by the controller, and/or the magnitude of the change of the desired value.

Abstract: A method for producing a knitted article on a flat knitting machine with two opposite needle beds and a stitch hanging over device has the steps of providing a knitted article with a base knitted structure and at least one parallel partial knitted texture which partially overlaps the base knitted structure, equipping at least in a region of the parallel partial knitted structure at most each second needle of one needle bed with a stitch of the base knitted texture, emptying a needle of another needle bed which is opposite to the equipped needle of the one needle bed, producing stitches of at least one parallel partial knitted texture in needles which are not equipped with base knitting stitches, hanging over stitches of the base knitted texture in a region of at least one parallel partial knitted texture before producing of stitches for the parallel partial knitted texture on the other needle bed.

Abstract: The invention is directed to a method and an arrangement for controlling an operating variable of a motor vehicle wherein the controller has at least one changeable parameter. This parameter of the controller is changed in dependence upon the operating range of the actuator, which is driven by the controller, and/or the magnitude of the change of the desired value.

Abstract: For mesh widening of a hose-shaped knitted piece on a double bed flat knitting machine knitting a mesh row is knitted in a carriage direction from left to right on a front needle bed and subsequently a mesh row is knitted in the carriage direction from right to left on a rear needle bed. Then a mesh row is knitted in the carriage direction from left to right on the front needle bed and a loop is formed on a previously free edge needle of the front needle bed, a mesh row is formed in the carriage direction from right to left on the rear needle bed, the loop is transferred with a first knitting system in the carriage direction from left to right on an empty needle of the rear needle bed with a further knitting system knitting a mesh row on the front needle bed.

Abstract: Three variations of a process for interconnecting the sleeves and the torso portion of a sleeved clothing article during production of the sleeved clothing article on a two bed flat bed knitting machine include one variation of the process which provides sleeves having seam regions extending perpendicularly to the shoulders; another variation which provides sleeves having seam regions extending at an angle to the shoulders; and further variations which provides raglan sleeves.

Abstract: The sinkers of both needle beds of a double bed flat knitting machine are pivotable so as to form a complete bridge over the gap between the needle beds. They have a loop-forming edge which is formed, with respect to the direction of take down for the knitted fabric, underneath the projections of the sinkers, which make up the bridge. Holding down of the old stitches in the gap between the needle beds is therefore ensured and a loop equalizing movement can be effected by means of the sinkers.

Abstract: The fabric take-down mechanism for flat knitting machines has an auxiliary take-down roller (22) following the main take-down roller (10) and extending over the whole length of the needle beds, this auxiliary roller having edges (24) and being grounded through metallic retaining loops (25). The auxiliary take-down roller (22) cooperates with a smooth but likewise electrical conducting counter plate (21).