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7510518 |
Method for making standing folds and knife folding machine with work transfer device
The invention relates to a method for making standing folds in a material web and a knife folding machine ( 1 ) for producing such standing folds. The knife folding machine has at least two folding...
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7458802 |
Foldable mandrel for production of a single curvature folded core for a sandwich panel
The invention can be defined in its most general form as a device for sheet material corrugation by means of bending and can be applied in the devices for production of single curvature folded core...
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7410455 |
Method for curvilinear folded structure production
The invention can be defined in its most general form as the method for sheet material corrugation and can be used for production of aircraft curvilinear sandwich panel folded structure light...
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7399267 |
Method and apparatus for vacuum assisted bonding of corrugated cardboard and for manufacturing corrugated cardboard
An apparatus and method for the vacuum assisted bonding of sections of corrugated cardboard and for manufacturing corrugated cardboard. A pressure plate has a bore for applying a vacuum...
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7326168 |
Method and apparatus for forming corrugated board carton blanks
An in-line method and apparatus for making a corrugated board and carton blanks from the corrugated board include: a laminating station for completing the formation of a corrugated board having a...
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7189195 |
Corrugated sheet forming unit of a corrugated sheet material making machine
A corrugated sheet forming unit used in a corrugated sheet material making machine for processing a metal sheet material into a corrugated sheet is disclosed to include a table vertically movable...
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7115089 |
Technology for continuous folding of sheet materials
A machine and method for the continuous folding of sheet material into different three-dimensional patterns is featured. The innovative machine and method folds sheet material by force converging...
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6932756 |
Corrugated cardboard manufacturing machine
A corrugated cardboard manufacturing machine ( 10 ) wherein at least one continuous supporting belt ( 11 ) for supporting/conveying a sheet of cardboard is moved along a predetermined path by...
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6926656 |
Method and apparatus for fabricating corrugated composite stiffeners
An apparatus and method for fabricating corrugated composite stiffeners provides a base tool having grooves formed in an outer surface and a roller having a rotating shaft and a removable, lobed,...
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6913570 |
Method and apparatus for producing a composite structural panel with a folded material core
A folded core structure is produced by embossing fold lines into a flat planar material web, initiating folds along the fold lines on the upper and lower surfaces of the material web, proceeding...
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6910996 |
Method for producing a honeycomb structure and apparatus therefor
A method and apparatus for producing a honeycomb structure in a continuous production process includes five process stations. At Station 1 sheets of deformable material are interleaved with a...
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6871480 |
Pleated paper and method of manufacturing
A novel packaging wrap is used in cushioning a product for shipment and is formed from the combination of a layer of pleated sheet material, the pleated material being creased at the apices of each...
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6800052 |
Corrugating machine and corrugating roll design for the same
A corrugating roll design for a corrugating machine including a pair of parallel, spaced apart, corrugating rolls which rotate in opposite directions on their respective rotational axes, the...
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6733432 |
Single facer with resilient small diameter corrugating roll
A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a...
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6692423 |
Method of sealing a cigarette container
A method for making a cigarette container wherein a hollow container body is constructed having an open end which includes a step portion defining a surrounding rim and interior abutments. A plug...
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6685615 |
Corrugated decorative grass formed of paper and polymeric film and method for producing same
The present invention discloses folded corrugated materials for producing segments or strips for use as Easter grass, packing material and the like wherein the folded corrugated materials are...
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6623416 |
Single facer with resilient small diameter corrugating roll
A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a...
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6511623 |
Manufacturing method of filter element
A manufacturing method for a filter element having a filter portion and a flange portion formed along an outer periphery of the filter portion to protrude outwardly. First, a corrugated...
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6471625 |
Damping system for corrugated cardboard fabrication rollers
Damping system for corrugated cardboard fabrication rollers comprising the incorporation of a damping device in the vapour chamber ( 2 ) of the application roller ( 1 ), said device being mounted...
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6402675 |
System for producing corrugated decorative grass
The present invention discloses folded corrugated material for producing segments or strips for use as Easter grass, packing material and the like or for use as flower pot covers, floral wrappings...
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6390963 |
Corrugated board manufacturing apparatus including a preheater section with a variable heat transfer system and a hotplate section with a passive hold-down mechanisim
A variable heat transfer system and a passive, segmented hold-down mechanism for a preheater section and a hotplate section of a machine for manufacturing corrugated board. The preheater assembly...
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6254523 |
Method of imparting directional permanency of folding to sheet, and apparatus therefor
A method of imparting directional permanency of folding to a sheet, and an apparatus therefor, which is suitable for manufacturing frame bodies, cushioning members and other block products for...
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6221000 |
Folded corrugated material
The present invention discloses folded corrugated material for producing segments or strips for use as Easter grass, packing material and the like or for use as flower pot covers, floral wrappings...
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6136417 |
Corrugator and corrugated fiberboard sheet manufacturing method
The present invention relates to a corrugator and corrugated fiberboard sheet manufacturing method which are capable of accurately adjusting the quantity of moisture included in a sheet to...
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6129654 |
Heating device for a corrugated cardboard facility
A heating device (1) for a corrugated cardboard facility includes several heating plates (3) arranged sequentially along a path in the advancing direction of a sheet of corrugated cardboard (2)....
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6126584 |
Method for forming a container with corrugated wall
A method of forming a paper container uses a three ply corrugated material having at least one inner or outer sheet of paper that may be stretched or compressed circumferentially to permit...
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6110095 |
Apparatus for heating corrugated paperboard
An apparatus and related method for forming a double face paperboard web are disclosed. The apparatus of the present invention includes a heating section upstream from a drawing section. The...
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6022305 |
Pleating apparatus
A system for pleating a continuous strip of foldable material including feeding the strip of foldable material between adjacent flights of cooperatively positioned endless conveyors having pleat...
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5993587 |
Double facer with threading means
This invention relates to a double facer of a corrugating machine which aims to improve a drying state or bonding state between a single-faced corrugated fiberboard sheet and a liner and improve...
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5733403 |
Product packaging material and its manufacturing method
This invention relates to a product packaging material and method, and in particular to a product packaging material (27) formed from a length of rolled corrugated paper (20) and a method of...
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5702052 |
Bin of laminated material
A bin formed with a general circular shape in plan being formed from an outside liner of paperboard and an inner paperboard flute providing medium which is affixed to the outside liner. The flutes...
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5656005 |
Method and apparatus for automatically forming corrugated sheets into block-shaped units of optimal size
A method and apparatus is disclosed for constructing block-shaped units of corrugated sheet material that are easily banded because of the absence of any irregularities in the units, and the units...
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5626709 |
Single facer corrugating roll flute contour
A single facer has corrugating rolls of which the cross-sectional tip and root curves are elliptical (as broadly defined) to form a medium compression zone 38 beyond which, on each side of the tip...
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5569147 |
Method and device to produce corrugated strip packaging parts
A method and a device for producing corrugated strip packaging parts to be used for packaging cylindrical or elongated parts in separate compartments. The device includes a series of form bodies...
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5419796 |
Method of fluting a corrugating medium
The invention is a method of fluting corrugating medium which can be formed in conventional or unconventional flute configurations. The method employs at least one additional corrugating roll in...
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5200013 |
Method and device for corrugated deformation of a flat material sheet
For the corrugated deformation of a flat sheet of material, an upper row (2) of shaping tools (4) is pressed against a lower row (3) of shaping tools (5). The shaping tools of both the rows are,...
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5185052 |
High speed pleating apparatus
Disclosed is an apparatus for longitudinally pleating a moving lamina. The apparatus features a curved axis roll having a stationary axis circumscribed by a rotating sleeve with a plurality of...
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5158521 |
Embossing dispenser
A rolled paper embossing dispenser in which the paper is embossed and from which the paper is simultaneously dispensed. The dispenser includes a nip formed by a first embossing roll and a second...
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5114509 |
Starch adhesive bonding
A method and apparatus for starch adhesive bonding of paper, paperboard, and natural cellulosic-fiber materials, especially liner and fluted corrugating medium, into manufactured items,...
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5057069 |
Process and device to fold strips of swabs
A method and apparatus for folding a length of material includes forming first and second transverse folds at opposite ends of the material whereby the material defines first and second end parts...
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4936819 |
Device for folding thin material to form a polygon package of successive folds
A device for the manufacture of a hose package formed by folding of a hose of flexible material, where the hose package consists of folds adjoining one another and forming wall elements connected...
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4917664 |
Fluted roll for a corrugated board manufacturing machine
A roll (16) for a corrugated board manufacturing machine (10) comprises a shell (32) defining an inner suction chamber (56) permanently connected to a source of low pressure. A series of radial...
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4912910 |
Package structure for storing articles and a method and apparatus for accomplishing the same
A unique and novel storage package and method and apparatus for making the same wherein differences in dimension between the outer receptacle and a package stored therein are compensated by a...
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4834700 |
Method of and apparatus for forming filter element
A ring-shaped corrugated filter element blank having radially alternate peak and valley folds is placed on a first mold having as many first concentric projections as the number of the peak folds...
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4787954 |
Vacuum tube holder for corrugating machines
Apparatus for forming and fabricating single-faced paperboard, the lower corrugating roll is provided with numerous circumferential grooves which are partially evacuated beneath a traveling...
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4767394 |
Method for making axial-flow filters and apparatus therefor
A method and apparatus for making axial-flow filters wherein a sectorial-shaped sheet of filter material having corrugations therein parallel to the curved ends thereof is made from a flat sheet of...
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4748838 |
Process for making obliquely corrugated thin metal strips
A method for making a corrugated thin metal strip wherein corrugations are linear and extend obliquely from one longitudinal marginal edge to the opposite longitudinal marginal edge of the strip....
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4747816 |
Apparatus for making a filter from a material for a filter element
An apparatus performing a filter from a material for a filter element automatically and quickly. The filter made by the present apparatus has a plurality of wavy portions which are provided in such...
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4699031 |
Method and apparatus for automatically cutting a web of foam material into sheets and for dispensing the cut sheets
A web of foam material is fed to a cutting station by upper and lower rollers drawing the web from a supply roll and along a low-friction table surface. A cutter station has a knife bar and blade,...
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4678115 |
Method for making layered foil structure
A method is set forth for forming a unitary structure having a plurality of deformable foils having first and second sides stacked one upon another with the first sides facing in one direction and...
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