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RE39968 |
PTFE tube
The present invention relates to a polytetrafluoroethylene (PTFE) tube, and more particularly to a PTFE tube for a flexible hose. In particular the invention relates to a PTFE tube having a smooth...
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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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7198742 |
Apparatus and method for deforming sheet material
Presented herein is an apparatus and method for deforming a sheet material. The apparatus includes a deforming roller having a plurality of circumferential depressions and at least one cord in...
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7097803 |
Process of making a corrugated net material
The present invention is to provide a process of making a corrugated net material including the following steps. First prepare a net material with an adequate length, and then heat and soften the...
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7097684 |
Method of forming combined pleated scrim and filter media materials and product of same
A high efficiency fluid filter arrangement wherein a combined layer of scrim and filter media applications is of empirically relatively estimated weight size and depth with intermediate pleat...
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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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6953542 |
Interlocking closure device
A closure device for a thermoplastic bag which includes two opposing, longitudinally extending interlockable male and female fastening strips having respective male and female closure elements or...
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6932850 |
Pleated filter and a method for making the same
A filter may comprise a plurality of pleats, at least one pleat including a pair of pleat legs and pleat tip region. In some embodiments, a thickness of pleat tip region at a point spaced about one...
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6872342 |
Embossing and adhesive printing process
An embossing and adhesive application process including the steps of: applying an adhesive to a first patterned embossing roll which is engaged with a second patterned embossing roll having a...
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6818167 |
Method of manufacturing rubber crawler
In a method of manufacturing a rubber crawler through a first vulcanization step and a second vulcanization step using an upper mold, a middle mold and a lower mold, at least the middle mold is...
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6773647 |
High speed embossing and adhesive printing process and apparatus
The present invention relates to a high speed embossing and adhesive printing process, said process comprising the steps of (a) applying an adhesive to a conformable heated glue application roll;...
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6767493 |
Rubber crawler producing method
It is to provide a method of manufacturing a rubber crawler which enhances a degree of freedom in the handling in a vulcanization-shaping of a crawler part and largely improves vulcanization...
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6759001 |
Method for producing embossed poly(vinyl alcohol) film
A method for producing an embossed PVA film, which includes embossing the film such that the crystallinity index of the emboss top is 0.50-0.90. The invention provides an embossed PVA film superior...
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6699347 |
High speed embossing and adhesive printing process
The present invention provides a process comprising the steps of (a) applying less than about 0.1 grams per square meter (gsm) of a release agent to a transfer surface, wherein the release agent is...
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6656400 |
Method for producing a pleatable filter material from a nonwoven fabric
A method for producing a pleated filter material from a nonwoven fabric having spacers for the pleated folds formed from the filter material itself, a formed fabric made of stretched synthetic...
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6579404 |
Method of making precision geometry advanced composite honeycomb material for spacecraft applications and honeycomb material made thereby
A method of making precision geometry honeycomb material formed of a composite material and exhibiting dimensional uniformity, is disclosed. Composite material is molded in the cavity of a...
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6574938 |
Constructional sandwich panel for high strength wall and covering assemblies, and method for making said panel
A sandwich panel for high strength wall and covering assemblies, comprising at least a plate element and at least a fretted element, glued to the plate element, the fretted element comprising a...
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6497754 |
Self ionizing pleated air filter system
A pleated filter is provided with electrically conductive fibrous material that releases ions to improve trapping efficiency. The edges of folded filter media are rendered emitting as by attaching...
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6451410 |
Flexible, cut resistant, and abrasion resistant sheet material and method for making same
The present invention provides a sheet of crystallizable material, having opposed first and second surfaces, the sheet comprising: (a) a plurality of crystalline regions located in the first...
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6436082 |
Absorbent article having an improved diffusion property
An absorbent article including an absorbent layer and a liquid-permeable surface sheet placed on a liquid-receiving side of the absorbent layer for introducing excreted liquid from the human body...
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6431218 |
Multi-lumen hose with at least one substantially planar inner partition and methods of manufacturing the same
A multi-lumen hose including a corrugated peripheral wall including an interior area and having an inner surface which defines a diameter, and at least one substantially planar inner partition...
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6355200 |
Method for making fluid distribution materials
The present invention relates to a method of and an apparatus for providing fluid distribution materials with improved wicking properties in a preferential fluid distribution direction. Such fluid...
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6340089 |
Method of fabricating undulating screen for vibratory screening machine
A screening screen assembly for a vibratory screening machine including an apertured plate, and a subassembly of an undulating support screen and fine screening screen and finer screening screen...
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6200404 |
Compositions and methods for manufacturing starch-based sheets
Compositions and methods for manufacturing sheets having a starch-bound matrix reinforced with fibers and optionally including an inorganic mineral filler. Suitable mixtures for forming the sheets...
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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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5996639 |
Multiple compartment corrugated hose
An apparatus and method of producing a multiple compartment corrugated hose with at least one inner corrugated partition. The corrugation of the inner partition is achieved by maintaining a...
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5911939 |
Apparatus and method for preparing cylindrical surfaces
An apparatus for forming grooves in the cylindrical surfaces of tubes or rods has a passage through the apparatus with a grooving roller mounted adjacent the passage. The roller has a helically...
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5906879 |
Ultra resilient three-dimensional nonwoven fiber material and process for producing the same
A 3-dimension thermoformed bicomponent fiber nonwoven material comprising a lofty bicomponent material layer forming a plurality of peaks separated from one another by channels and having a basis...
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5897824 |
Surface heating for a corrugated medium web
In a single facer, the premoistened medium web is dried on both surfaces to a shallow depth immediately prior to passage through the corrugating nip. The dried shallow surface layers substantially...
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5882462 |
Method for fabricating a corrugated composite channel
A method for making a corrugated fiber reinforced preform for a corrugated channel is disclosed which involves the sequential application of fiber plies to a shaping tool, each of the plies...
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5876552 |
Method of fabricating screen for vibratory screening machine
A screening screen assembly for a vibratory screening machine including an apertured plate or frame, and a bonded subassembly of an undulating support screen and fine screening screen and finer...
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5810961 |
Methods for manufacturing molded sheets having a high starch content
Compositions and methods for manufacturing sheets having a starch-bound matrix reinforced with fibers and optionally including an inorganic mineral filler. Suitable mixtures for forming the sheets...
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5789103 |
Battery separator and method of making
A battery separator for use in flooded cell type lead acid batteries comprising a backweb of a porous, acid resistant, embossable material with a plurality of major ribs and submini-ribs extending...
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5711909 |
Intravascular catheter and method of manufacturing
An intravascular catheter carries a helical reinforcement member embedded within at least a portion of the tubular wall of the catheter. The helical reinforcement member comprises a helical first...
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5612111 |
Method of producing and product of heat-proof laminate board
A method of producing and the product of heat-proof laminate boards are disclosed. Each laminate board cut from a continuous laminate has a corrugated upper layer, a middle foam layer produced by...
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5609942 |
Panel having cross-corrugated sandwich construction
A cross-corrugated panel has a core between two faceplates, where the core omprises two groups of corrugated elements that are perpendicular to each other. The corrugated elements have peaks and...
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5582849 |
Travelling mold with mold block carriers
A travelling mold has mold blocks formed by opposing mold block sections which open and close relative to one another. The mold sections travel horizontally around a continuous track which is...
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5560941 |
Apparatus for the manufacture of corrugated pipes of thermoplastic plastics
An apparatus for the manufacture of corrugated pipes of thermoplastic plastics, which has circulating mold segment halves disposed in two opposite rows subsequent to an injection head, includes a...
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5543204 |
Bi-directionally corrugated sandwich construction
A bi-directionally corrugated sandwich construction for use in applications equiring high-strength, light-weight components is disclosed. The sandwich construction comprises first and second face...
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5522718 |
Apparatus for the production of corrugated tubing from thermoplastic synthetic resin
An apparatus for the production of corrugated tubing from thermoplastic synthetic resin including a shaping path following an extrusion head of an extruder and composed of a guide which is arranged...
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5511964 |
Apparatus for the production of plastic pipes
An apparatus for the manufacturing of plastic pipes has half shells of which two at a time combine as a pair to form a mold. It is provided with a temperature-regulating bell. Supply lines are...
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5510071 |
Method and apparatus for production of tubing
A method and apparatus for production of smooth or corrugated small and large diameter thermoplastic tubing and composite tubular structures. The apparatus includes a supporting framework, a...
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5508083 |
Machine direction fluted combined corrugated containerboard
Provided is an improved corrugated containerboard that includes a corrugated medium sandwiched between and secured to a top liner and a bottom liner. The corrugated medium, top liner, and bottom...
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5503903 |
Automotive headliner panel and method of making same
A self-supporting headliner panel for lining the interior surface of an automotive roof comprises a front sheet, a back sheet and an intermediate corrugated sheet adhered to the front and back...
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5503547 |
Apparatus for continuously manufacturing corrugated sheet
An apparatus for continuously manufacturing a corrugated sheet having a varying fold width and also having fold lines extending either straight or in wavy or zig-zag fashion in a direction...
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5486405 |
Method of producing a corrugated board as well as a corrugated board
In the case of a method of producing a corrugated board for protecting electrostatically endangered articles 10 against electrostatic: discharges and electric fields, at least one corrugated layer...
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5484640 |
Honeycomb structure having stiffening ribs and method and apparatus for making same
An improvement in a corrugated strip having major flat sections which extend between longitudinal edges of the strip and which are joined along lateral edges by intermediate sections extending...
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5443891 |
Low amplitude wave-board
A low amplitude wave-board panel having improved bending strength and bending stiffness properties is provided. More specifically, the amplitude of the waves is substantially equal to, or less than...
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5443779 |
Method of production of reinforced composite corrugated body and method of formation of corrugating rollers for use therein
The strength and workability of a reinforced composite corrugated body are improved. A corrugated body is produced such that corrugate lines provided with vertically spaced ridges and grooves...
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