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| Number | Title | Issue Date |
| 7401390 | Tenter device and method for drying film A clip (10) has a frame (31) and a flapper (32). Two dry bearings (37) are inserted into a hole (32d) formed in the flapper. Then an attaching shaft (35) is inserted from one of the holes (34a) in the fr... | 07/22/2008 |
| 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 |
| 7316558 | Devices for stretching polymer films Stretched polymeric films can be used in a variety of applications, including optical applications. The stretching conditions and shape of the stretching tracks in a stretching apparatus can determine or influence film properties. Methods and stretching apparatuses ... | 01/08/2008 |
| 7240822 | Ball mounting method A ball mounting apparatus and method for mounting a plurality of balls sucked up and held by a head onto a workpiece. The apparatus includes a positioning mechanism for the workpiece, a ball supply device for supplying the balls, the head for sucking up the balls, a... | 07/10/2007 |
| 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 |
| 7104776 | Methods and devices for stretching polymer films Stretched polymeric films can be used in a variety of applications, including optical applications. The stretching conditions and shape of the stretching tracks in a stretching apparatus can determine or influence film properties. Methods and stretching apparatuses ... | 09/12/2006 |
| 7077305 | Ball loading apparatus A ball mounting apparatus for mounting a plurality of balls sucked up and held by a head onto a workpiece. The apparatus includes a positioning mechanism for the workpiece, a ball supply device for supplying the balls, the head for sucking up the balls, an force gen... | 07/18/2006 |
| 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 |
| 7066377 | Ball mounting method A ball mounting method for mounting a plurality of balls held by a head onto a workpiece. The head is clamped such that a clamping surface mounted to the head is engaged with a rigid lower positioning stop, and then moved above a ball supply section. The balls are h... | 06/27/2006 |
| 6996881 | Method and plant for automatic washing and/or ironing of substantially flat objects, and plant for carrying out the method Method and plant for processing in the form of washing and/or ironing of substantially flat items (4), such as textiles and the like, which individually can be fed continuously and successively into a processing plant. The processing plant contains fixed as w... | 02/14/2006 |
| 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 |
| 6658708 | Tenter apparatus A right rail and a left rail are constituted of an entrance rail portion, an exit rail portion, and a rail connecting portion. The respective portions of the rails are moved in a film-width direction via a rail attachment and a positioning section. The po... | 12/09/2003 |
| 6578701 | Apparatus for cleaning clips on web transport device An apparatus for automatically cleaning the clips on a web processing apparatus is described. The apparatus includes a scraper for scraping the web supporting surface of the clips on the web transporting machine, and also desirably includes a clip opener,... | 06/17/2003 |
| 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 |
| 5781974 | Magnetic tenter lever actuating device A magnetic tenter lever actuating device includes a coupling rail, preferably designed in the form of a pole shoe rail (21), by means of which the end of a tenter lever (3) can be pivoted deliberately from its open into its closed position and vice versa ... | 07/21/1998 |
| 5771547 | Tenter clip cleaning method and apparatus A method and apparatus is disclosed for ejecting a loose film edge from a film stretching clip by directing a jet of fluid such as air through a channel in the clip and between adjacent clips at or before release of a film from the clip and also after rel... | 06/30/1998 |
| 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 |
| 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 |
| 5426835 | Tenter for treatment of an endless fabric Tenter for an endless fabric, especially for use by heat treatment as a part process in connection with manufacturing of fabric for a paper machine comprising several carriages (1) for guiding the rims of the fabric material by means of a carrier (2) for ... | 06/27/1995 |
| 5402556 | Tentering frame with a tentering chain for treating film webs simultaneously in two axial directions A tentering frame is equipped with a tentering chain for the simultaneous treatment of a film web in two directions or in a so-called biaxial manner. The film web is carried by endless tentering chains which hold the film web edges by grippers carried by ... | 04/04/1995 |
| 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 |
| 5390398 | Foil stretching machine for shrinking foils A film stretching machine is also capable of shrinking undulating film by gripping film to be treated at its longitudinal edges by pivotable clips which are disposed spaced apart on a chain conveyor and are guided in a chain conveyor guide. The film is sh... | 02/21/1995 |
| 5367753 | Tentering clamp and tentering chain comprising such clamps Tentering clamps for an endless tentering chain are formed so that two clamp bodies slideably mounted on at least one common guide bar can move toward each other and away from each other for adjusting the pitch. The guide bar or bars have entraining stop ... | 11/29/1994 |
| 5355564 | Apparatus for stretching a web of material A process for longitudinally stretching a polymeric film having thickened longitudinal edges while the film is constrained in the lateral dimension by a plurality of successive pairs of grippers, the improvement comprising first guiding the film with a fi... | 10/18/1994 |
| 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 |
| 5265313 | Apparatus for a tentering chain having tentering clamps with a continuously variable pitch between two neighboring clamping bodies In order to achieve a controlled longitudinal shrinkage of a film web, an adjusting mechanism including a threaded spindle with a cross-piece is provided between neighboring clamping bodies along the tentering chain. The cross-piece is equipped with contr... | 11/30/1993 |
| 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 |
| 5159733 | Tenter-type stretcher having means for detecting clip obstructions An improved tenter-type stretcher comprises a pair of rails which diverge from one another, a plurality of clips carried in endless chains along the rails and a device for detecting obstructions in the tenter clips, wherein the detecting device is either ... | 11/03/1992 |
| 5101965 | Tentering chain with guide rollers A tentering chain is guided between two guide rails extending in parallel to each other. One guide rail (19a) is an outer guide rail with regard to a course followed by the chain, while the other guide rail (19b) is an inner guide rail. The chain links ar... | 04/07/1992 |
