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Class Information
Number: 425/225
Name: Plastic article or earthenware shaping or treating: apparatus > With separate apparatus cleaning means
Description: Apparatus comprising means for removing dirt, impurities or extraneous matter from the apparatus or a part thereof.


Sub-classes under this class:

Class Number Class Name Patents
425/226 Coacting with diverse apparatus elements 34
425/227 Coacting with forming means or dough divider type trap chamber 33
425/232 Coacting with work contact means (e.g., conveyor or cutter, etc.) downstream of former 24


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7625622 Powder compaction and enrobing Dec. 1, 2009
7402272 Mold-spraying apparatus of molding system Jul. 22, 2008
7381356 Rotary powder compression molding machine Jun. 3, 2008
7364419 Mold-spraying apparatus of molding system Apr. 29, 2008
7322812 Transfer lock for a tabletting plant Jan. 29, 2008
7309507 Device and method for manufacturing and packaging lollipops Dec. 18, 2007
7297304 High-temperature modeling method Nov. 20, 2007
7210923 Hopper system for a patty-forming apparatus May. 1, 2007
7186106 Molding machine and molding method Mar. 6, 2007
7140872 Molding machine Nov. 28, 2006
7140856 Method for producing tablets with tablet presses protected from the environment and protective device for such tablet presses Nov. 28, 2006
7011513 Apparatus for cleaning ophthalmic components Mar. 14, 2006
6971863 Molding apparatus for molding semiconductor devices in which the mold is automatically treated with a releasing agent Dec. 6, 2005
6923933 Take-out device for rotary blow molding machine and method Aug. 2, 2005
6875382 Process to purge polymer or plastic melt guiding parts of film extrusion systems Apr. 5, 2005
6846170 Injection molding machine with at least one column having a surrounding jacket Jan. 25, 2005
6808379 Cleaner for molding apparatus of semiconductor chip packages Oct. 26, 2004
6790392 Application of a vaporous mist for spining systems with rectangular nozzles Sep. 14, 2004
6749417 Method and apparatus for producing ceramic green sheet Jun. 15, 2004
6736627 Mold cleaning apparatus May. 18, 2004
6722872 High temperature modeling apparatus Apr. 20, 2004
6676863 Rotary tablet press and a method of using and cleaning the press Jan. 13, 2004
6537454 Device for influencing the flow-through of plastic material which is heated such that it can flow through a housing Mar. 25, 2003
6514440 Apparatus and method for purging injection molding system Feb. 4, 2003
6428303 Food patty molding machine Aug. 6, 2002
6344227 Dough feeder wiper and method of use Feb. 5, 2002
6254813 Method and apparatus for injection molding plastic objects comprised of at least two different materials Jul. 3, 2001
6096248 Method for reducing mold fouling Aug. 1, 2000
6086798 Method for removing contaminant from surface of mold die Jul. 11, 2000
RE36572 Mold having vent passageways to obviate trimming of flash Feb. 15, 2000
5962035 Device for producing a shaped confection of edible materials combined into co-extensive strips Oct. 5, 1999
5961898 Molding apparatus and molding method for light-permeable articles Oct. 5, 1999
5897887 Machine for the formation of tablets of cosmetic product Apr. 27, 1999
5882690 Resin forming nozzle device and resin forming method using same Mar. 16, 1999
5851566 Applicator die Dec. 22, 1998
5830390 Method for continuous molding and apparatus therefor Nov. 3, 1998
5783220 Resin sealing and molding apparatus for sealing electronic parts Jul. 21, 1998
5783222 Dough molder Jul. 21, 1998
5776395 Method and apparatus for making a blade for electrophotographic devices Jul. 7, 1998
5773039 Apparatus for multiple wax castings Jun. 30, 1998
5762977 Mold lock with self-purging Jun. 9, 1998
5750152 Wand purging for electrostatic charging system in flash spinning apparatus May. 12, 1998
5730329 Apparatus for applying free-flowing substances as strips or drops onto a transport belt Mar. 24, 1998
5728327 Method, barrel subunits and units, service installations and assembly structures for the fabrication of moldable products, particularly based on concrete Mar. 17, 1998
5700494 Device for producing a shaped confection of edible materials combined into co-extensive strips Dec. 23, 1997
5670183 Device for the production of a joint connection Sep. 23, 1997
5591461 Forming apparatus for a powdery sample Jan. 7, 1997
5567446 Slip supply system Oct. 22, 1996
5516540 Process for making articles of ice confectionery May. 14, 1996
5505606 Nozzle hole sealing device for injection nozzle Apr. 9, 1996

1 2 3


 
 
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