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Class Information
Number: 53/477
Name: Package making > Methods > Closing package or filled receptacle > By heat sealing
Description: Methods including the step of modifying the temperature of the cover material or closure element to facilitate completing the encasement of the contents.

Sub-classes under this class:

Class Number Class Name Patents
53/479 Of preformed nonfreestanding container deformed by contents (e.g., bag, tube) 220
53/478 Separate closure 264

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8640433 Packaging apparatus including rotary jaw device and method of making packages Feb. 4, 2014
8500946 Fin seal container and method Aug. 6, 2013
8479478 Surface-treated multi-layered polymer film Jul. 9, 2013
8459528 Assembly for head welding Jun. 11, 2013
8430145 Hot gas nozzle for heating a double-tube, a tube filling machine comprising a hot gas nozzle and a method for sealing a double tube Apr. 30, 2013
8341925 Method of packing a food product with extended shelf-life Jan. 1, 2013
8266872 Packaging tube for a predetermined volume of a biological substance to be stored at a low temperature and system including same Sep. 18, 2012
8266873 Vacuum skin packaging laminate, package and process for using same Sep. 18, 2012
8241193 Method and apparatus for bag closure and sealing Aug. 14, 2012
8225583 Closing apparatus for closing preferably bag-type packaging units Jul. 24, 2012
8196630 Thermally-controlled friction bonding of workpiece layers Jun. 12, 2012
8181433 Method of lap sealing a molten cheese product with non-wax film May. 22, 2012
8171704 Method and device for finishing packets having respective overwrappings of heat-shrink material May. 8, 2012
8156984 Ultrasonic welding device, and packaging machine with an ultrasonic welding device Apr. 17, 2012
8153216 Packaging with passage regions and sealing tool for production thereof Apr. 10, 2012
8146330 Heat-sealing device for sheet packages Apr. 3, 2012
8112974 Microwaveable food package Feb. 14, 2012
8096333 Adjustable filling and sealing apparatus Jan. 17, 2012
8091323 Resealable film structure Jan. 10, 2012
8069637 Bag sealing system and method Dec. 6, 2011
8061110 Inflation and sealing device with disengagement mechanism Nov. 22, 2011
8052926 Method for manufacturing a sterilized lancet integrated biosensor Nov. 8, 2011
8011169 Method of sealing an end fin of a carton Sep. 6, 2011
8002941 Method and apparatus for producing a package or for packaging a food product Aug. 23, 2011
7980276 Device with needle penetrable and laser resealable portion and related method Jul. 19, 2011
7967133 Packaging for disposable soft contact lenses Jun. 28, 2011
7964829 Apparatus and method for making bag assembly Jun. 21, 2011
7937912 Method for making a container comprising two or more compartments May. 10, 2011
7918070 Device and method for sealing packages Apr. 5, 2011
7827768 Device and a method for controlling a twist of a tube Nov. 9, 2010
7814732 Liquid containing bag, liquid cartridge, image forming device, and sealing method and sealing apparatus for the liquid containing bag Oct. 19, 2010
7799436 Biaxially oriented polyolefins with a reduced blocking tendency with respect to cold sealing products Sep. 21, 2010
7797911 Sterile, pyrogen-free, polymeric film-based heating bag Sep. 21, 2010
7779609 Method of filling a device Aug. 24, 2010
7775017 Sealing heater Aug. 17, 2010
7776270 Resealer of test tubes for clinical analyses fed from ready-to-use containers of sealing tape Aug. 17, 2010
7726103 Resilient backing member for the use with an impulse heating element Jun. 1, 2010
7722730 Method and device for heat-sealing windows into folding carton blanks May. 25, 2010
7713373 Process for producing packaging laminate material May. 11, 2010
7628184 Adjustable needle filling and laser sealing apparatus and method Dec. 8, 2009
7621110 Self-heating and adhesive device Nov. 24, 2009
7621400 Display packaging system Nov. 24, 2009
7581371 Retail package for flowable products Sep. 1, 2009
7490639 Device with needle penetrable and laser resealable portion and related method Feb. 17, 2009
7484345 Filling machine Feb. 3, 2009
7454881 Method of sealing a cylindrical inlet of a bag Nov. 25, 2008
7448183 Apparatus for sealing a cover foil to a blister foil Nov. 11, 2008
7445033 Device with needle penetrable and laser resealable portion and related method Nov. 4, 2008
7404869 Method for producing packaging laminated material Jul. 29, 2008
7401445 Vessel-filling apparatus Jul. 22, 2008

1 2 3 4 5 6

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