Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7669301 | Modular tenter frame rail A modular tenter frame for guiding a pair of chains with pins through a predetermined path to transport an open width tubular knit web through a drying oven and/or a steaming station to a compressive treating station to improve quality of the open width tubular knit... | 03/02/2010 |
| 7322078 | Drive device for a transverse drawing system for films of synthetic material The invention relates to drawing systems using a series of jaws for the support, transport and drawing of the film (2), which are supported and guided by rails and driven by endless chains (3), connecting the jaws between the above. Each chain (3 | 01/29/2008 |
| 7229271 | Apparatus for making transversely drawn films with substantially uniaxial character A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects of the invention include a roll of stretched film and an apparatus fo... | 06/12/2007 |
| 7200904 | Tenter system A tenter system designed to be used for simultaneously treatment of two base fabrics for felts for paper machines, or similar products, an upper fabric (3) and a lower fabric (4), comprising a pair of tenter frames (6) for the upper fabric and a... | 04/10/2007 |
| 7162781 | Tenter device A clip has a frame and a flapper. Two dry bearings are inserted into a hole formed in the flapper. Then an attaching shaft is inserted from one of the holes in the frame to the other through the dry bearings, so as to swingably attaching the flapper to the frame. DA... | 01/16/2007 |
| 7153122 | Apparatus for making transversely drawn films with substantially uniaxial character A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects of the invention include a roll of stretched film and an apparatus fo... | 12/26/2006 |
| 7093333 | Fabric conveying guide rail A fabric conveying guide rail has a G-shaped saddle locked to where below a conveying guide rail; screw holes being laterally drilled on both outer walls of the recess formed to the web of the saddle; a sleeve being positioned with tabs and slots of a setting nut to... | 08/22/2006 |
| 7073237 | Tenter frame joint A joint is provided for articulately interconnecting the adjacent ends of rail assemblies in a tenter frame. The rail assemblies are arranged consecutively along a guide path, and have parallel guide channels for the advancing and returning legs of continuous chains... | 07/11/2006 |
| 7026780 | Method for stabilizing the movement of an articulated chain of a chain block, especially to prevent the formation of a resonance oscillation of the chain, and a chain block apparatus The invention concerns a method for stabilizing the motion of an articulated chain of a chain block, especially to prevent the formation of resonance oscillation of the chain, in which an articulated chain is led across a polygonal chain wheel with non-uniform pitch... | 04/11/2006 |
| 6968943 | Conveyor for continuous proofing and baking apparatus Conveyor chains of the type utilized in commercial ovens and proofers are provided with improved bearing support for the rotating and pivoting components of the chains. The rotating components comprising anti-friction bearings constructed from superior components wh... | 11/29/2005 |
| 6901639 | Stretching machine A stentering machine having a horizontal drying zone and a vertical pretreatment zone for a web of material spread out between stentering chains is described. The stentering chains are brought from the vertical position into a horizontal position in a deflection zon... | 06/07/2005 |
| 6868592 | Stentering machine A stentering machine having a horizontal drying zone and a vertical pretreatment zone for a strip of material held spread out between tension chains configured as slide chains is described. The tension chains are brought from the vertical into the horizontal positio... | 03/22/2005 |
| 6865783 | Stentering machine A stentering machine having a drying zone and a pretreatment zone for coating a web of material on both sides and drying it is described. One aim consists of deflecting a web of material coated in the vertical position and stretched out in width, in order to introdu... | 03/15/2005 |
| 6398993 | Method and apparatus for producing synthetic resin films A film production process having a film tentering step and a recovering step, characterized by detecting the side edge positions of the film running toward the recovering step, transferring the film running direction based on the detected information, and... | 06/04/2002 |
| 5996196 | Speed adjusting apparatus for plastic drawing installations An improved apparatus for adapting speed, in particular for nippers (1) which can be made to travel along a rail arrangement (3), is distinguished by the following features a rotating and electrically conductive eddy-current body (17), preferably designed... | 12/07/1999 |
| 5970589 | Simultaneous biaxial stretching apparatus and method Disclosed are an apparatus and method for simultaneously biaxially stretching a film (e.g., a continuous web of film). The apparatus includes upper and lower rails, for guiding a pair of endless links that each has link units for grasping side edges of th... | 10/26/1999 |
| 5933930 | Guide rail for tenter clamps in tentering machines, especially film stretching machines A guide rail for supporting the guide rollers of tenter clamps, in a tentering machine such as a film stretching machine, includes a plurality of spring steel bands clamped to a support member of the tentering machine by a clamping block and clamping bolt... | 08/10/1999 |
| 5924180 | Transport device and associated guiding rail An improved transport device comprises a novel guide rail (3). Carriages (5) can be moved along the guide rail (3), which carriages comprise guide elements (25a, 25b; 25c, 25d) for this purpose, which elements are supported on rail guiding surfaces (17a, ... | 07/20/1999 |
| 5896631 | Spring steel tape tentering clamp guide rail with such tape Spring steel tapes are shaped with tape edge sections extending alongside a central tape section having a constant thickness, so that the thickness of the tape edge sections diminishes from the central section to the edges. Such tapes are combined in tape... | 04/27/1999 |
| 5862574 | Low profile tentering system and tenter frame A new low-profile tentering system for a tenter machine is realized according to the present invention by a tenter frame including low-profile rail assemblies for carrying an endless carrier. A series of attachment blocks of the endless carrier have tente... | 01/26/1999 |
| 5797172 | Tenter frame and method Tenter frame apparatus includes an endless chain for carrying tenter clips (A) on one side of a monorail (B) for positioning a web (W) for transport on a single pair of longitudinally aligned bearings (C) carried in horizontal alignment with the web (W), ... | 08/25/1998 |
| 5791031 | Apparatus for producing longitudinally and/or transversely drawn-out film webs, in particular film webs simultaneously drawn out along two axes An improved device for producing longitudinally and/or transversely drawn-out foil webs, in particular foil webs simultaneously drawn-out along two axes, is characterized in that the actual clamping means that hold the edges of the foil are held and ancho... | 08/11/1998 |
| 5768755 | Tenter clip having a roller bearing A tenter clip is fastened on a double-T web support of a film stretching machine and has a flexible, vertically clamped guide strip, against which horizontal running rollers bear. Each of these running rollers is equipped with a covering for dust protecti... | 06/23/1998 |
| 5749131 | Transport device for a continuous moving sheet, in particular stretching device for a plastic film webs An improved transport device for a moving material web, in particular a stretching system for plastic film webs which is in particular suitable for high circulating speeds, is distinguished by the fact that a guide rail system (3) comprising at least one ... | 05/12/1998 |
| 5737812 | Transport device for a moving material web An improved transport device for a moving material web, in particular a stretching system for plastic film webs, comprises tenter elements (1) which can be moved along a guide rail system (3) on both sides of the material web (11). In this case, on both s... | 04/14/1998 |
| 5657520 | Method for tentering hydroenhanced fabric Woven or knit fabric is pre-tentered (stretched) prior to hydroenhancement treatment to a predetermined width in excess of the desired finished width of the fabric. The pre-tentering width is selected so that the expected shrinkage caused by the hydroenha... | 08/19/1997 |
| 5613284 | Tenter assembly and method Tenter frame apparatus includes an endless chain for carrying tenter clips (A) on one side of a monorail (B) for positioning a web (W) for transport on a single pair of longitudinally aligned bearings (C) carried in horizontal alignment with the web (W), ... | 03/25/1997 |
| 5394595 | Method and apparatus for shrinking biaxially stretched thermoplastic films A thermoplastic film web is subjected to a defined shrinking in a treatment apparatus with two mirror-symmetrically arranged tentering chains. For this purpose, each chain is equipped with tentering clamps that have a variable on-center spacing or pitch i... | 03/07/1995 |
| 5341547 | Apparatus for the treatment and biaxial stretching and axial shrinking of thermoplastic film web A thermoplastic film stretching apparatus includes a first and a second separate transport chain system including the respective guide tracks and tentering clamps. The tentering clamps are guided without the conventional chain plate connections. The first... | 08/30/1994 |
| 5267378 | Clip with rocking bearing for stretching machines Conventional clips must be manufactured with high precision and run the risk of becoming stiff in the course of time or even to become inoperative in extreme cases due to sediments in their pivoting mechanism. In order to obtain a clip which remains opera... | 12/07/1993 |
| 5263235 | Compliant drive link for tenter A tentering machine having a compliant drive link allows for a considerable rate of stretch in a tentered fabric, web or film without the distortion or bowing frequently observed with the tentering machines of the prior art. The tentering machine includes... | 11/23/1993 |
| 5255419 | Tentering apparatus and method A tentering system having a pair of spaced tenter rails defining a first end, a second end and a tentering path, and moveable material securement members carried by the tenter rails is disclosed. The tentering system may include first material guides at t... | 10/26/1993 |
| 5084949 | Tentering chain with a continuously adjustable chain pitch for treating film webs simultaneously in two axial directions A tentering chain has a continuously adjustable chain pitch for the simultaneous biaxial treatment of film webs. Tenter bodies conventionally equipped with clamps or hooks for gripping an edge of the film web are carried by the tentering chain. Guide rail... | 02/04/1992 |
| 5081750 | Gripper carriage and transport assembly for a stretching frame An assembly for a stretching frame has a rectangular cross section rail, a multiplicity of carriages displaceable along the rail and formed with shanks which have offset pairs of rollers engaging the surface of the rail perpendicular and parallel to the p... | 01/21/1992 |
| 5077965 | Conveyor chain for textile processing machines The present invention provides a conveyor chain for textile processing machines in which a lubricant supply is safeguarded at all times in the event of maximum mechanical stressing. The conveyor chain is connected to a center clip body 1 by a pin 2, the p... | 01/07/1992 |
| 5067214 | Tenter frame apparatus and method A tenter frame is illustrated wherein a chain is fabricated by press fitting a pin receiving bushing constructed of Vespel and the like into a steel bushing and then boring a pin receiving opening therein and utilizing wear strips constructed of Vespel in... | 11/26/1991 |
| 5005271 | Conveyor chain for machines for tensioning lengths of material The invention relates to a conveyor chain for machines for tensioning lengths of material, with pairs of outer fishplates and pairs of inner fishplates flexibly connected by chain joint bolts and with support members for grippers or needle plates. The pai... | 04/09/1991 |
| 4926529 | Tenter frame apparatus and method A tenter frame is illustrated wherein a chain is fabricated by press fitting a pin receiving bushing constructed of Vespel and the like into a steel bushing and then boring a pin receiving opening therein and utilizing wear strips constructed of Vespel in... | 05/22/1990 |
| 4888840 | Method for mercerizing textile fabric webs and apparatus for carrying out the method After leaving the hot lye bath (2) the fabric web (1) is immediately cooled down in a cooling zone (C) and only then passed to a residence zone (5) in which the lye acts on the fabric. Stretcing of the fabric web is then effected in a widthwise stretching... | 12/26/1989 |
| 4882820 | Tenter frame chain with low friction slide block The present tenter frame chain includes a plurality of links, each link including upper and lower interconnected loadbearing plates, and a low friction slide block sandwich between the upper and lower interconnected plates. The slde block is formed of mat... | 11/28/1989 |
