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Class Information
Number: 226/92
Name: Advancing material of indeterminate length > Threading device > With means to pull lead-end
Description: Device provided with means, usually a gripper*, to positively drag the forward edge of new or broken material to or through the material advancing means.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5935289 Apparatus for automatic fiber manufacture Aug. 10, 1999
5921453 Paper feeding apparatus in web threading apparatus Jul. 13, 1999
5887215 Photographic processing apparatus Mar. 23, 1999
5881964 Web splicing apparatus having offset splicing and taping Mar. 16, 1999
5842664 Method and device for threading a paper web or an equivalent web-like material in a winding device, in particular in a slitter-winder Dec. 1, 1998
5823936 Loading assembly and method for cushioning conversion machine Oct. 20, 1998
5816465 Branching apparatus for a paper-web threading guide of a rotary press Oct. 6, 1998
5809892 Web-threading or infeeding device for a machine processing web-shaped material, in particular a web-fed rotary printing machine, and method of threading a web of material into such a machine Sep. 22, 1998
5775563 Leader transport apparatus in automatic film processing apparatus Jul. 7, 1998
5709330 Apparatus for preparing and feeding strips of web Jan. 20, 1998
5702043 Auxiliary transport device Dec. 30, 1997
5685502 Filmstrip receiving apparatus Nov. 11, 1997
5601685 Laminator and loading system therefor Feb. 11, 1997
5586831 Connector for connecting two plate-like members Dec. 24, 1996
5581908 Device for drawing in material webs through a drier with a guide that can be closed-off Dec. 10, 1996
5557484 Differentiation of media types via leader block characteristics which include a plurality of leader block retrieval members Sep. 17, 1996
5544422 Drying section Aug. 13, 1996
5400940 Paper web threading apparatus for rotary printing press Mar. 28, 1995
5397044 Paper web threading apparatus for paper web handling machine Mar. 14, 1995
5383591 Interface device between a feeding device and a receiving station for photographic material Jan. 24, 1995
5379932 Tensioning apparatus for a web threading endless rope Jan. 10, 1995
5377892 Fluid pressure tensioning apparatus for a web threading endless rope Jan. 3, 1995
5375753 Tensioning apparatus for a web threading endless rope Dec. 27, 1994
5351870 Method of and device for separably connecting webs of photosensitive material to a belt conveyor Oct. 4, 1994
5351535 Mechanism for inserting a thread into a yarn tester Oct. 4, 1994
5341977 Yarn drawing-in nozzle Aug. 30, 1994
5333771 Web threader having an endless belt formed from a thin metal strip Aug. 2, 1994
5325249 Differentiation of media types via leader block characteristics Jun. 28, 1994
5320039 Web engagement system for an off-reel printing press Jun. 14, 1994
5318211 Apparatus for media guidance in an imaging device Jun. 7, 1994
5307970 Paper web threading apparatus having abnormality indication alarm May. 3, 1994
5308005 Film handling system May. 3, 1994
5305965 Apparatus for winding and storing a tape-like article in a container Apr. 26, 1994
5294282 Tape handling apparatus Mar. 15, 1994
5285980 Device for extracting the end of a negative film from a cartridge Feb. 15, 1994
5275347 Autothread mechanism for strip material Jan. 4, 1994
5263623 Tensioning apparatus for a web threading endless rope Nov. 23, 1993
5263414 Material web guide assembly Nov. 23, 1993
5255602 Apparatus for threading webs in rotary printing machines Oct. 26, 1993
5257065 Apparatus for transporting exposed photographic films through and beyond a developing unit Oct. 26, 1993
5249754 Method of and arrangement for gripping starting portion of coiled film Oct. 5, 1993
5249373 Web threading system Oct. 5, 1993
5246300 Apparatus and method for removing paper jams from printers Sep. 21, 1993
5234532 Apparatus for connecting paper web with a paper web threading member Aug. 10, 1993
5228672 Device for automatically introducing paper ribbons into an angle-bar Jul. 20, 1993
5219182 Paper saver and form leader Jun. 15, 1993
5219129 Tape threading mechanism Jun. 15, 1993
5205504 Auto-threading apparatus Apr. 27, 1993
5201269 Roller chain for paper infeed device Apr. 13, 1993
5186407 Auto-threading method Feb. 16, 1993

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