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Class Information
Number: 156/472
Name: Adhesive bonding and miscellaneous chemical manufacture > Surface bonding means and/or assembly means therefor > With bending, folding, winding, or wrapping means > For an indefinite or running length flexible web > And means applying separate web to shaped web > While still on shape-retaining means > Fluted roll-shape retainer
Description: Apparatus in which the shape retaining means is cylindrical in section and has longitudinally extending recesses in the outer periphery.

Sub-classes under this class:

Class Number Class Name Patents
156/473 Separate means holding web in flutes 60

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8631848 Apparatus and method for producing waterproof structural corrugated paperboard Jan. 21, 2014
8376014 Corrugator having multiple corrugation roller sets Feb. 19, 2013
8343296 Process for producing absorbent core structures Jan. 1, 2013
8057621 Apparatus and method for producing a corrugated product under ambient temperature conditions Nov. 15, 2011
7857027 Apparatus for manufacturing single faced corrugated pasteboard Dec. 28, 2010
7744713 Process for producing absorbent core structures Jun. 29, 2010
7654296 Grooved single facer belt Feb. 2, 2010
7220331 Device for connecting a multilayered web by ultrasound May. 22, 2007
6921450 Soft contact roll for a single facer Jul. 26, 2005
6827784 Corrugating method and means Dec. 7, 2004
6782933 Single facer quick change corrugating rolls Aug. 31, 2004
6692602 Machine for producing a corrugated cardboard sheet and process for calibrating the glue gap of such a machine Feb. 17, 2004
6623416 Single facer with resilient small diameter corrugating roll Sep. 23, 2003
6602375 Single facer drive apparatus Aug. 5, 2003
6478066 Corrugator unit, particularly for sheets or webs of paper, or similar Nov. 12, 2002
6311754 Single facer with small corrugating roll supported by independently mounted backing rolls Nov. 6, 2001
6289960 Apparatus having a wrapped roll for making a single faced corrugated board Sep. 18, 2001
6170549 Single facer with resilient small diameter corrugating roll Jan. 9, 2001
6171427 High speed corrugator single facer with steam injection Jan. 9, 2001
6155320 Method and apparatus for injecting steam at a single facer bonding nip Dec. 5, 2000
6155319 Unit for joining paper sheets together in corrugated board manufacturing equipment Dec. 5, 2000
6153037 Method and apparatus for producing multi-ply corrugated paperboard Nov. 28, 2000
6149751 Low pressure single facer Nov. 21, 2000
6143112 Method and apparatus for producing single face corrugated web Nov. 7, 2000
6112793 Device for production of corrugated cardboard Sep. 5, 2000
6098687 Single facer with angled medium feeding Aug. 8, 2000
6095963 Apparatus for making corrugated paperboard Aug. 1, 2000
6092579 Machine for the production of an at least single-face lined web of corrugated board Jul. 25, 2000
6089296 Pre-conditioning of a medium web during the fabrication of corrugated paperboard Jul. 18, 2000
6074507 Corrugating roll with improved flute profile Jun. 13, 2000
6068701 Method and apparatus for producing corrugated cardboard May. 30, 2000
6068724 Machine and method for manufacture of a sheet of single-face corrugated board by gluing under tension May. 30, 2000
6050316 Single facer preheater Apr. 18, 2000
6048429 Production of double wall corrugated web Apr. 11, 2000
6016860 Bonding two corrugated mediums at flute tips ensuring accurate alignment Jan. 25, 2000
6012501 Single facer with small intermediate corrugating roll and variable wrap arm device Jan. 11, 2000
6006806 Laminated corrugating roll Dec. 28, 1999
5951817 Single facer having an auxiliary nip Sep. 14, 1999
5951816 Single facer with small intermediate corrugating roll Sep. 14, 1999
5837085 Method of making a toothed belt with a reinforced fabric covering Nov. 17, 1998
5766410 Corrugating machine with an elastic press plate Jun. 16, 1998
5755902 Method and apparatus for producing a composite web having transverse stretch May. 26, 1998
5728256 Smooth press for a machine for manufacturing corrugated cardboard Mar. 17, 1998
5698054 Method and apparatus for the lamination of apertured or non-apertured three-dimensional films to apertured or non-apertured three-dimensional and/or flat films Dec. 16, 1997
5685929 Smooth press in a machine for manufacturing corrugated cardboard Nov. 11, 1997
5681422 Pressure roll for a single facer Oct. 28, 1997
5674349 Corrugated paperboard apparatus Oct. 7, 1997
5647947 Belt speed controller in single facer Jul. 15, 1997
5643397 Equipment for forming a sheet of loop material Jul. 1, 1997
5632850 Machine for the manufacture of a web of at least single-face corrugated board May. 27, 1997

1 2 3

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