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Browse by Category: Main > Packaging & Containers
Class Information
Number: 53/523
Name: Package making > With contents treating > Reshaping > Compacting or stretching
Description: Apparatus in which the contents material is subjected to mechanical forces which (a) crowd portions of the contents into a more confined space or which (b) contract or elongate the contents material within its elastic limit.










Sub-classes under this class:

Class Number Class Name Patents
53/525 By agitation 88
53/529 Compressing before packaging 299
53/527 Compressing contents within preformed receptacle 211
53/528 Compressing while engaging contents with wrapper or band 103
53/526 Compressing with or through cover 123
53/524 Mattress filling 21


Patents under this class:
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Patent Number Title Of Patent Date Issued
8656687 Padding machine for packaging substantial products, partially cucumbers and the like Feb. 25, 2014
8596027 Packaging component, method of use, and method of manufacture Dec. 3, 2013
8572934 Food portioning system Nov. 5, 2013
8074428 Method of, and apparatus for, producing bag packs Dec. 13, 2011
7958699 Apparatus and method for compressing and bagging a loose material Jun. 14, 2011
7958696 Packages, packaging systems, methods for packaging and apparatus for packaging Jun. 14, 2011
7926245 Mobile bagging machine Apr. 19, 2011
7905077 Transport apparatus and boxing apparatus provided with same Mar. 15, 2011
7827766 Method and device for packaging load body Nov. 9, 2010
7739857 Packages, packaging systems, methods for packaging and apparatus for packaging Jun. 22, 2010
7735303 Method and apparatus for filling tuna cans with consistent premium tuna cake appearance Jun. 15, 2010
7559185 Apparatus for making pods for infusion products Jul. 14, 2009
7509788 Low profile packaging assembly for loose fill insulation material Mar. 31, 2009
7458194 Apparatus for producing a self-standing bag for bales of compressed loose material and a method thereof Dec. 2, 2008
7426815 Method and apparatus for loading a container with a product Sep. 23, 2008
7395643 Method of manufacturing rigid cigarette packs including deforming at least one lateral face of the wrapper Jul. 8, 2008
7155884 Stretch wrap threading device Jan. 2, 2007
7003930 Blended thermoformable RF sealable plastic Feb. 28, 2006
6986233 Bale dewiring system Jan. 17, 2006
6761763 Process for compacting calcined kaolin clay Jul. 13, 2004
6755011 Removable feed table for bagging machine Jun. 29, 2004
6739107 Method and apparatus for compressing a mattress with an inner coil spring May. 25, 2004
6718725 Apparatus for folding and packaging an airbag and method thereof Apr. 13, 2004
6658825 Apparatus for packaging fibers, and article produced by same Dec. 9, 2003
6638476 Packaging material sterilizing unit for a pourable food product packaging machine Oct. 28, 2003
6155028 Method and apparatus for packing material Dec. 5, 2000
5941055 Apparatus for making an instant beverage container with product therein Aug. 24, 1999
5870885 Material compression and insertion device Feb. 16, 1999
5694742 Method and apparatus for producing a strapless bale of compressed fiber Dec. 9, 1997
5636494 Apparatus and method for producing truss plate bundles Jun. 10, 1997
5619842 Method and apparatus for storing baled pre-silage Apr. 15, 1997
5367857 Method and device for compacting feedstuff or the like in a tube to be placed on the ground Nov. 29, 1994
5284003 Machine for conditioning product in a sealed bag Feb. 8, 1994
5257494 Installation for the continuous filling of a casing Nov. 2, 1993
5042234 Collagen film and netting packaging system and method Aug. 27, 1991
4971119 Arrangement for closing valves of valve bags which are filled by filling machine Nov. 20, 1990
4920729 Apparatus and process for more efficient shipment of tires May. 1, 1990
4897222 Transportable press for a high condensability of radioactive waste material of nuclear power stations and process for condensing the same Jan. 30, 1990
4777781 Apparatus for creating high density tire ricks Oct. 18, 1988
4716712 Apparatus for packaging loose fibrous material Jan. 5, 1988
4640082 Apparatus for packaging loose fibrous material Feb. 3, 1987
4603780 Carton for housing fragile containers Aug. 5, 1986
4529569 Method of manufacturing an expandable spongy member Jul. 16, 1985
4525316 Shipping flexible polyurethane foam product Jun. 25, 1985
4377061 Horizontal packaging apparatus Mar. 22, 1983
4308900 Container filling system Jan. 5, 1982
4110954 Horizontal packaging apparatus Sep. 5, 1978
4106260 Article folding and packaging system Aug. 15, 1978
4104964 Apparatus for packing aircraft escape devices Aug. 8, 1978
4074507 Bag filling machine for powdery material Feb. 21, 1978

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