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Class Information
Number: 452/21
Name: Butchering > Shirring of casing
Description: Method or apparatus in which a flexible tubular container of either natural or artificial material, used to encase ground foodstuffs, is gathered into pleats about a core or mandrel.

Sub-classes under this class:

Class Number Class Name Patents
452/22 Combined with sausage stuffing 21
452/27 Fluid lubrication of casing 25
452/23 Multiple shirring devices operating simultaneously 1
452/29 Severing into descrete lengths 25
452/24 Shirring head 11

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8226457 Process for producing a composite food casing Jul. 24, 2012
7883399 Method for producing a netted casing Feb. 8, 2011
7753763 Multi-layer arrangement method for a tubular net on a support tube Jul. 13, 2010
7641541 Multi-layer arrangement of a tubular net on a support tube, and device and method for obtaining same Jan. 5, 2010
7051415 Net rucking apparatus and method May. 30, 2006
6514553 Tubing used for encasing food products and a method for manufacturing the tubing Feb. 4, 2003
5980374 Meat product casing and method of shirring Nov. 9, 1999
5897432 Shirred food casing end system Apr. 27, 1999
5782683 Cold temperature shirring Jul. 21, 1998
5549943 Heat shrinkable nylon food casing with a polyolefin core layer Aug. 27, 1996
5470519 Method of manufacturing a cellulosic article containing an olefinic oxide polymer Nov. 28, 1995
5431598 Large encased meat product with flat ends method and apparatus Jul. 11, 1995
5391108 Method and apparatus for packaging of shirred food casings and resulting article Feb. 21, 1995
5382190 Package of shirred food casings Jan. 17, 1995
5356331 Method of preparing an end closure for shirred casing Oct. 18, 1994
5328733 Shirred fibrous casing article and method Jul. 12, 1994
5277648 Large encased meat product with flat ends Jan. 11, 1994
5238443 End closures for shirred casing sticks and method and apparatus for making them Aug. 24, 1993
5215495 One-piece shirred casing Jun. 1, 1993
5203734 Food casings with improved tubular tab ends Apr. 20, 1993
5173074 Method and apparatus for severing shirred tubular food casing, and article Dec. 22, 1992
5131883 Food emulsion casing end-closure Jul. 21, 1992
5088956 Method and device for the formation of an end closure on a hose-type packing wrapper Feb. 18, 1992
5046219 Prepackaged shirred food emulsion casing with integral casing sizing and brake control Sep. 10, 1991
5045020 Shirred packaging tube Sep. 3, 1991
5007878 Process for calibration of standardization of natural intestines Apr. 16, 1991
5003666 Method and apparatus for making stuffed casing products having one flat end Apr. 2, 1991
4873748 Burnished end shirred casing stick, method and apparatus Oct. 17, 1989
4759100 Method of making an end closure for a stick of shirred food casing Jul. 26, 1988
4734956 Food casing article Apr. 5, 1988
4690173 Shirred casing article Sep. 1, 1987
4688298 Cored high density shirred casings Aug. 25, 1987
4683615 Shirring device Aug. 4, 1987
4594274 End-dressings for tubular casings Jun. 10, 1986
4585680 Shirred casing stick article with end closure displaced within stick bore Apr. 29, 1986
4578842 Method and apparatus for compacting shirred casing Apr. 1, 1986
4571922 Method and apparatus for the preparation of a sausage casing package Feb. 25, 1986
4551370 Shirred casing stick article with end closure and method for making the same Nov. 5, 1985
4525984 Process and device for production of an end closure on a shirred length of tubular material, especially synthetic casing for sausage manufacture Jul. 2, 1985
4500574 End closure for sausage casings Feb. 19, 1985
4493130 Shirred casing article method and apparatus Jan. 15, 1985
4466465 Package article for automatically and continuously making sausages with flat ends Aug. 21, 1984
4466157 Method of processing elongated tubular material and device for performing said method Aug. 21, 1984
4373648 Controlled rate linear motion drive Feb. 15, 1983
4355437 Quick change drive for shirring machine control shaft Oct. 26, 1982
4327777 Supporting sheath for a longitudinally shirred packaging tube May. 4, 1982
4317256 Expandable mandrel device for longitudinal shirring of flexible tubular material Mar. 2, 1982
4307488 Combined strand compresser and doffer and end dresser Dec. 29, 1981
4162557 Process for turning a coated casing inside out Jul. 31, 1979
4162693 Reversible shirred casing and method for producing it Jul. 31, 1979

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