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7608318 |
Sandwich panel
The invention can be defined in its most general form as a building unit, namely the sandwich panel with light core from corrugated sheet material in the form of zigzag crimp, and can be used in...
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7597773 |
Producing method of laminated filter
The present invention relates to a producing method of a laminated filter that carries out a corrugating operation and an adhering operation of filter media in the same step. A corrugation forming...
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7449080 |
Corrugated hose assembly
According to the present invention, there is provided a hose assembly with an inner fluoropolymer layer having a somewhat smooth inner surface and an outer polyamide layer having an undulated surface.
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7354497 |
Method for manufacturing corrugated board using magnets to bond
Method for manufacturing corrugated board or the like, whereby different material strips ( 3 - 6 ) are fastened together by means of a bonding agent, whereby one or several material strips ( 3 - 6...
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7329326 |
Method of making a fluted filter media for air filter
Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment...
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7235115 |
Method of forming self-supporting pleated filter media
The method of forming pleated filter media includes providing a generally planar web of filter material, folding the web to form a pleated web having a plurality of fold lines, arranging the...
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7208063 |
Double walled structural reinforcement
A double walled reinforcement structure and method for making a double walled reinforcement structure having a plurality of longitudinally extending and nested structural members. Each structural...
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7132151 |
Laminates of films and methods and apparatus for the manufacture
A laminate of thermoplastic polymeric films comprises a fluted ply A and non-fluted ply B, adhered to one another in bonded zones along some of the flute crests the fluted ply A. The wavelength of...
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7052565 |
Web constructions with severed elongate strands
Web constructions with severed elongate strands located on at least one surface are described. The severed elongate strands are attached to one or both major surfaces of a web and may be arranged...
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7052564 |
Component feeder having a high density cover tape reservoir
A method and apparatus for the handling and containment of a cover tape peeled from a pocket tape in a component feeder are disclosed. A single folding pulley comprising inclined sides and an...
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7041187 |
Corrugated sandwich panel and method for manufacturing the same
Disclosed is a method for preparing a corrugated sandwich panel including the steps of: extruding melted polyethylene resin by use of an extruder and a slit nozzle; molding the extruded...
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6964703 |
Starch-based glue paste compositions
Novel starch-based glue paste compositions are disclosed composed of (i) a carrier paste containing 5 to 16 wt % of a starch selected from the group consisting of corn starch, wheat starch, rye...
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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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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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6887343 |
Filter coating, winding, finishing and manufacturing system
A coating system ( 66, 68 ), winding system ( 158 ), finishing system ( 274, 276 ) and manufacturing system (FIGS. 6, 7, 22-29 ) is provided for spiral-wound fluted filter media ( 74, 130 ).
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6802932 |
Absorbent article and method of manufacturing the same
A method for manufacturing an absorbent article including: a topsheet formed from a nonwoven fabric; a backsheet; and a cushion layer disposed between the topsheet and the backsheet is achieved by...
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6800351 |
Folded honeycomb structure consisting of corrugated paperboard and method and device for producing the same
The invention relates to a folded honeycomb structure and to a method and device for producing said folded honeycomb structure from a corrugated core web. The folded honeycomb structure has a...
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RE38508 |
Structural panels with metal faces and corrugated plastic core
A structural panel has one or more face sheets bonded by adhesive layers to a core body having two outer plastic liner sheets fusion-bonded to linear ends of inner plastic truss elements spaced...
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6692602 |
Machine for producing a corrugated cardboard sheet and process for calibrating the glue gap of such a machine
A machine for producing corrugated cardboard incorporates a corrugating roll and a glue roll extending parallel to the former in such a way that a glue gap is formed between the two. To adjust the...
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6667092 |
RFID enabled corrugated structures
A corrugated structure has a first and a second linerboard, with a corrugated medium sandwiched between the first and second linerboards. An RF processor is coupled between one of the linerboards...
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6648042 |
Load-applying device for a double facer
A load-applying device used in a double facer that manufactures a corrugated board, the load-applying device comprising load bodies that are caused to ride above a corrugated board sheet only by...
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6602581 |
Corrugated fiberfill structures for filling and insulation
This invention provides corrugated fiberfill structures with improved properties and processes for making the same. This invention further provides articles made from the improved corrugated...
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6602375 |
Single facer drive apparatus
A corrugator single facer of the type utilizing a large diameter bonding and corrugating roll and a small diameter corrugating roll is driven without direct drive applied to either corrugating...
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6601500 |
Low friction machine for manufacturing corrugated board
A low friction machine for manufacturing corrugated board is described. The machine effectively extends the life expectancy of critical machine components such as the feet used in pressure...
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6541097 |
Ribbed board
A method for the production of ribbed board product, such as fiberboard, flakeboard, or waferboard, which resists fracturing during manufacture. The ribbed board product made according to the...
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6455129 |
Single-ply embossed absorbent paper products
The invention relates to embossing single-ply paper products, for example, paper towels, tissue and napkins, in which an improved embossing arrangement is used which is particularly suitable for...
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6416605 |
Method for manufacturing fluted media
Apparatus and method for manufacturing a filter element by winding a fluted media into a coreless roll. The fluted filter media is transported forwardly and a front edge is lifted upwardly by a...
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6409864 |
Method of assembly of pleated filter with spacer insert
A pleat filter medium assembly and method of making the same wherein pleated fibrous filter medium forming troughs between opposed faces of adjacent filter medium pleats serve to include spacer...
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6409857 |
Device for manufacturing a composite sheet
A device for manufacturing a composite sheet ( 5 ) comprising at least one corrugated sheet ( 1 ) and at least one flat sheet ( 3 ), which is glued to the wave peaks of the corrugated sheet ( 1 ),...
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6375775 |
Water-resistant, viscosity stable, alkaline corrugating adhesive composition
A water-resistant, viscosity stable, alkaline curing, starch-based corrugating adhesive composition comprising starch, an alkali material, a ketone-formaldehyde crosslinking additive containing...
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6368443 |
Starch-hemicellulose adhesive for high speed corrugating
Starch-based corrugating adhesives of the carrier, no-carrier and carrier-no-carrier type having improved green strength and water resistance are prepared by adding hemicellulose to the adhesive...
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6364982 |
Method of producing ribbed board and product thereof
A method for the production of ribbed board product, such as fiberboard or flakeboard, which resists fracturing during manufacture. The ribbed board product made according to the invention can be...
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6287412 |
High speed corrugating adhesive incorporating solubilized cellulosic fiber
Corrugating adhesives of the carrier, no-carrier and carrier-no-carrier type having excellent dry pin adhesion, green strength and improved water resistance are prepared with solubilized fiber as a...
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6257296 |
Pressure plate arrangement for production of multilayer corrugated cardboard
The invention relates to a pressure plate arrangement for joining together a plurality of material webs each comprising at least one plain web and/or at least one corrugated web, to form a...
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6206995 |
Moving-web slack reducing system including a deformable tension roller
A moving-web slack reducing system including a deformable tension roller, such as a brush-type tension roller having an outer surface defined by the ends of a plurality of bristles. The slack...
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6171682 |
Absorbent article comprising a corrugated web
Apparatus for continuously producing a web (1) which is corrugated from a thin sheet material which is elastic at least in a transverse direction of the web. The apparatus includes a guide bed (2)...
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6155319 |
Unit for joining paper sheets together in corrugated board manufacturing equipment
A unit for joining paper sheets together in corrugated board manufacturing equipment comprises at least one toothed or corrugated roll (1), which is mounted in such a way as to rotate about its...
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6153037 |
Method and apparatus for producing multi-ply corrugated paperboard
Method and apparatus for producing a multi-ply corrugated paperboard (105) by repeatedly laminating multi-ply corrugated mediums (102, 103) with different pitches and widths between top and bottom...
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6149751 |
Low pressure single facer
A method and apparatus for producing a single face corrugated web from an adhesively bonded liner and medium web without the use of a pressure roll nip where the liner web is joined to the medium...
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6143112 |
Method and apparatus for producing single face corrugated web
The present invention relates to an apparatus for producing single face corrugated web, which comprises the first corrugating roll and second corrugating roll, and further comprises the first...
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6139938 |
High flute density, printable, corrugated paperboard
An extremely thin, high flute density, printable, corrugated paperboard having a combined caliper thickness of about 0.040 inches or less includes a first flat paper liner about 0.0085 to 0.010...
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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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6136404 |
Automotive trim panel having a shirred appearance
A panel adaptable for use in automotive trim applications has a laminate of a support layer and an A-side layer made of vinyl or cloth. The support layer is made of a thermoformable material such...
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6126771 |
Corrugated cardboard manufacturing process
The invention relates to a process for manufacturing corrugated board in which the corrugated board is produced by gluing at least three individual constituent webs (3, 5, 7) respectively on two...
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6120633 |
Method of fabricating a self pleating filter media
A self-supporting filter media, comprising a batt made of thermoplastic fibers, and heat induced scores provided at predetermined intervals along a length of the batt. And, a method of fabricating...
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6117261 |
Sheet tension adjusting method and apparatus
The present invention relates to a sheet tension adjusting method which allows the tension to a single-faced corrugated fiberboard sheet or a liner to be greatly adjusted with a high accuracy to be...
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6074507 |
Corrugating roll with improved flute profile
Corrugating rolls for forming corrugated paperboard medium are given a flute valley profile having a narrow channel along the valley base between arcuate segments of the valley base that parallel...
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6068724 |
Machine and method for manufacture of a sheet of single-face corrugated board by gluing under tension
Machine (1) and method of manufacture of a single-face corrugated board sheet whereby a fluted cardboard sheet (23) is glued to a flat sheet. The machine comprises three heating cylinders having...
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6062723 |
Device for preparing a glue for corrugated board
The invention provides a process for the preparation of a starch based glue for making corrugated board. The process is carried out in a system which includes a first and relatively large mixing...
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6048429 |
Production of double wall corrugated web
A synchronized flute double wall corrugated paperboard web is produced in a corrugating apparatus utilizing cooperatively operated single facers to provide an intermediate single face web with...
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