Axially Slidable Sections Patents (Class 26/100)
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Patent number: 6550656Abstract: A device for spreading, compressing or guiding a running material web formed by a rotatably supported roll. The roll has a number of slats distributed over its circumference which can be displaced transversely to the direction of the web. The slats are actively connected with control devices that cause a longitudinal displacement of the slats. Alternating slats are actively connected to different control devices. Half of the slats have an adhesive surface and the other half has a sliding surface.Type: GrantFiled: March 23, 2001Date of Patent: April 22, 2003Assignee: Erhardt + Leimer GmbHInventor: Hans-Joachim Kurz
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Patent number: 5791030Abstract: A relatively inexpensive web widening apparatus which is suitable for the manufacture of a widened web having a large width and a lightweight web while maintaining a high widening ratio and the uniformity of the web and can be operated with ease at a high efficiency comprises a widening tool in contact with the web, having first and second groups of widening plates arranged in a width direction of the web to face each other, at least one pair of cross guiders which can nip both side end portions of the web, and guide means for moving the widening plates of the first and second groups in such a manner that the interval between the widening plates expands gradually as they rotate and then narrows gradually.Type: GrantFiled: August 25, 1997Date of Patent: August 11, 1998Assignee: Nippon Petrochemicals Co., Ltd.Inventors: Kintaro Aihara, Kazuhiko Kurihara, Hiroshi Yazawa, Yuki Kuroiwa, Shuichi Murakami
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Patent number: 5461760Abstract: A sleeve stretcher assembly for the ends of an elastomer sleeve of a spreader roller which includes a stationary shaft having at least one of its end portions configured as a tube. A slide rod is adapted for sliding interior of said tube in a direction parallel to an axis of the shaft. A hub member is arrayed exterior of said tube while being connected to the slide rod by a pivot means. An axis of the hub member is selectively tilted with respect to an axis of said shaft by a tilt adjusting means. The slide rod is selectively positioned interior of the tube by a linear adjusting means. The selected linear adjustment is maintained by a locking means.Type: GrantFiled: September 13, 1994Date of Patent: October 31, 1995Assignee: Converter Accessory Corp.Inventor: Lawrence R. Damour
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Patent number: 4646403Abstract: A transfer roll assembly for transferring a length of a textile web in a textile machine includes left and right sets of transfer plates mounted on and extending axially of a drive shaft for coming into frictional, surface contact with a textile web supplied by the textile machine, each set of transfer plates being arranged about the drive shaft so as to form a regular polygon when viewed in cross section, with each individual transfer plate forming one side of the regular polygon. Means are provided for forcibly moving the left and right sets of transfer plates axially away from each other while the plates are in contact with the textile web, whereby the web is subjected to a sufficiently large force for elongating the web in the transverse direction while the web is being transferred by the transfer plates. Also provided are means for adjusting the timing at which the left and right transfer plates separate from each other.Type: GrantFiled: September 18, 1985Date of Patent: March 3, 1987Assignee: Kabushiki Kaisha Kawakami SeisakushoInventor: Nobuo Nasu
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Patent number: 4194275Abstract: A spreader roll for web processing machines used in the paper, textile, and plastic industry. The roll has a stationary shaft on which a roll structure is rotatably mounted. A plurality of rigid cylinder segments form the surface of the roll structure. The cylinder segments are connected to each other movably in relation to each other and to the roll body. The cylinder segments are arranged about, and rotated together with a cylinder sleeve and are connected to each other cicumferentially through rigid retaining rings encircling the roll sleeve. The retaining rings oppose the displacement of the cylinder segments through centrifugal forces acting in the radial direction. The cylinder segments are arranged in parallel rows along the cylinder axis and interconnected to each other within the rows. Annular carriages within the roll structure rotate as integral parts of the roll and at angles to the roll-axis.Type: GrantFiled: September 1, 1977Date of Patent: March 25, 1980Inventor: Fred H. Freuler