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Class Information
Number: 452/42
Name: Butchering > Sausage making > Stuffing > Pump type > Reciprocating piston
Description: Subject matter wherein the stuffing is forced into the casing by a piston which reciprocates back and forth in a straight line.










Sub-classes under this class:

Class Number Class Name Patents
452/43 Fluid motor 18


Patents under this class:

Patent Number Title Of Patent Date Issued
8398467 Motorized device for making sausages Mar. 19, 2013
7832862 Process for the manufacture of spectacle lenses Nov. 16, 2010
6524177 Device for connecting a meat portioning-filling machine to a clipping machine Feb. 25, 2003
6321642 Filling mechanism for food stuffing Nov. 27, 2001
6248011 Safety closure for product stuffing machine Jun. 19, 2001
6113482 Metal-detectable elastomeric material for piston seals and the like Sep. 5, 2000
RE35297 Dual piston portioner and casing device Jul. 16, 1996
5364302 Apparatus for manufacturing hams or the like Nov. 15, 1994
5252037 Piston valved vertical pump for particulate materials Oct. 12, 1993
5097876 Process and machine for gauging and stuffing meat products under vacuum conditions Mar. 24, 1992
5035671 Dual piston portioner and casing device Jul. 30, 1991
4748720 Hornless stuffing method and apparatus Jun. 7, 1988
4747186 Method for stuffing sausages May. 31, 1988
4723581 Process and apparatus for drawing off deformable masses containing air Feb. 9, 1988
4672793 Molded meat vacuum packaging Jun. 16, 1987
4651498 Meat packaging apparatus Mar. 24, 1987
4594066 Pressure relief apparatus Jun. 10, 1986











 
 
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