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Class 264/504 - Perforation by differential fluid pressure; or smoothing, scoring, or cutting of green concrete with fluid pressure


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which application of fluid pressure results
No. of patents: 123
Last issue date: 02/02/2010


1        
NumberTitleIssue Date
7655176Method of making a polymeric web exhibiting a soft and silky tactile impression
A polymeric web exhibiting a soft and silky tactile impression on at least one side thereof is disclosed. The silky feeling side of the web exhibits a pattern of discrete hair-like fibrils, each of the hair-like fibrils being a protruded extension of the web surface...
02/02/2010
7572405Method for manufacturing microstructures having hollow microelements using fluidic jets during a molding operation
A method is provided for constructing microstructures that can penetrate skin layers, in which the microelements are formed during a molding process while fluidic jets produce openings in the microelements. The structures used in the molding process are formed by to...
08/11/2009
7321425Sensor and methods for measuring select components in sheetmaking systems
A sensor for measuring at least selected component in a composition can include: (a) a broadband light source, (b) an acousto-optic tunable filter (AOTF), (c) means for generating a beam of light from the light source and directing the beam of light at the AOTF wher...
01/22/2008
7303861Apparatus and method for making a forming structure
A method for making a forming structure having columnar protrusions extending therefrom comprising the steps of exposing a liquid photosensitive resin to light having an activating wavelength thereby inducing partial curing of the photosensitive resin to form a mono...
12/04/2007
7300547Absorbent sheet exhibiting resistance to moisture penetration
An absorbent paper sheet is treated with an aqueous wax dispersion such that the sheet includes a fused wax and emulsifier residue in an amount of from about 1 to about 20 weight percent of the sheet based on the combined weight of the fiber, wax residue and an emul...
11/27/2007
7291359Method and apparatus for making an adhesive cleaning sheet
A method of selectively applying pressure-sensitive adhesive to a nonwoven web and thereby forming a cleaning sheet having adhesive free peaks and adhesive containing valleys includes coating an adhesive transfer roll with adhesive, transferring a portion of the adh...
11/06/2007
7246759Modular spray gun apparatus and methods
Modular spray gun apparatus and methods are disclosed. In one embodiment, an apparatus includes a handle module and a head module that is removeably coupled to the handle module. The head module includes a first housing having an inlet adapted to be coupled to a sou...
07/24/2007
7241394Process of fabricating polymer sustained microelectrodes
A process for fabricating a microelectrode is described that includes: a) providing a substrate comprising at least one polymer micro-ridge, where the polymer micro-ridge comprises an upper surface and two walls, and the two walls form an angle with a lower surface;...
07/10/2007
7211209Method of making device for arraying biomolecules and for monitoring cell motility in real-time
The invention relates to devices, devices for arraying biomolecules, including cells, methods for arraying biomolecules, assays for monitoring cellular movement, and systems for monitoring cellular movement. The devices include a support; a first layer configured to...
05/01/2007
7166094Multiple layer absorbent article
An absorbent article is provided having an absorbent core with an absorbent pledget adhered to the body-facing side of the core between the core and the body-facing surface of the article. The pledget has a greater structural stiffness and a reduced surface area rel...
01/23/2007
7131987Microstructures and method for treating and conditioning skin which cause less irritation during exfoliation
An improved method is provided to enhance skin appearance and health, in which skin is cleaned (or exfoliated) and conditioned by use of microelements affixed to a base element or hand-held patch. For the microstructure used in the improved method, the dimensions of...
11/07/2006
7105716Absorbent articles
The present invention provides an improved disposable article for the absorption and containment of urine or other body exudates, for example a diaper, training pants or an adult incontinence article, that has a high fecal fluid intake rate as measured by the Fecal ...
09/12/2006
7083843Top sheet for absorbent articles, and method for producing it
Provided is a top sheet for absorbent articles including a number of perforations for covering a liquid-receiving surface of an absorbent article. The top sheet is formed of a thermoplastic resin containing a particulate material. The top sheet is provided with fine...
08/01/2006
7036501Oro-pharyngeal airway with breath monitor
An oro-pharyngeal airway includes external air passages (28) formed between it and the facing surfaces of the patient's throat for continuous breathing by the patient. The open-ended passage (26) of conduit (24) transmits exhaled breath of the p...
05/02/2006
7018700Acoustic absorption polymer foam having improved thermal insulating performance
Polymer foams having a good balance of high sound absorption, low thermal conductivity and generally low water absorption are disclosed which are obtainable by perforating (i.e., hole punching) a polymer foam having a moderately large cell size (1.5 mm to 4 mm) and ...
03/28/2006
7015158Hydroentangled filter media and method
A filter media formed in accordance with the present invention comprises hydroentangled, predominantly polyester staple length fibers having a basis weight of no more than about 12 oz/yd2. The filter media exhibits a Mullen burst strength of at least abou...
03/21/2006
7001475Film structures and methods of making film structures
A method of making a three-dimensional film structure having controllable contact properties comprises making separable surface elements on a top portion of a film structure and stretching the film structure to separate the separable surface elements, thereby obtain...
02/21/2006
6964726Absorbent webs including highly textured surface
The present invention discloses a paper web with a highly textured surface and a method of forming the highly textured web. The process includes printing a viscous material onto the surface of a paper web in a pattern with a low pressure printing process. Specifical...
11/15/2005
6962772Method for manufacturing 3-D high aspect-ratio microneedle array device
A method for manufacturing a 3-D high aspect-ratio microneedle array device, comprising steps of: providing a substrate, with a photoresist layer coated thereon; performing photolithography on the photoresist layer by using a gray-tone mask so as to form a patterned...
11/08/2005
6942828Method and apparatus for manufacturing a toothed belt
The toothed belt is produced in a moulding cavity, which is defined by a rotating moulding wheel and an endless moulding belt, which is also rotating. For this purpose, the moulding wheel has a channel defined by lateral cheeks, in the base of which are provided rec...
09/13/2005
6932936Manufacturing method for double tube having a hole formed therein, and mold for implementation thereof
To provide manufacturing method for a double tube having a hole formed therein and a mold for implementing such method, which reduce the time required for manufacturing, do not leave shavings in the gap between the outer tube and the inner tube, and offer highly acc...
08/23/2005
6838040Method for weakening a portion of a web
A method for weakening a portion of a web includes moving a web in a machine direction between at least a first location and a second location, wherein the second location is positioned downstream of the first location, forming a line of weakness in the web at the f...
01/04/2005
6780372Process of forming a perforated web
A process of forming a soft and resilient web exhibiting a substantially continuous pattern of debossments or apertures is disclosed. The process comprises locally heating process to melt predetermined points of the web. The process includes: continuously bringing t...
08/24/2004
6706236Method for making holes in ceramic green sheets
To make holes in ceramic green sheets that are needed to create feedthroughs, it is proposed to make the holes by using a gas that is under a higher pressure than atmospheric pressure and that is expelled in a pulsed manner from a pressure vessel and thereby acts on...
03/16/2004
6660213Nozzle plate manufacturing method
A nozzle plate to be mounted on an ink jet print head includes a plate body on which is formed a plurality of jet aperture portions from which ink is jetted and a water-repellant film formed on this plate body. The diameter of jet aperture portions formed...
12/09/2003
6649119Rotary plastic blow molding system having in-mold labeling
A plastic blow molding system (20) and a method for blow molding utilize an in-mold labeler (24) and a method for in-mold labeling a rotary plastic blow molding machine (22) includes a dispensing assembly (38) having a dispensing wheel (42) that is rotata...
11/18/2003
6645420Method of forming a semipermeable membrane with intercommunicating pores for a pressing apparatus
A unitary membrane for use in a pressing apparatus includes a pair of longitudinal edge portions and a semipermeable portion having a plurality of intercommunicating pores. The semipermeable portion is positioned between the pair of longitudinal edge port...
11/11/2003
6641905Power transmission belt and process for production of the same
There is provided a power transmission belt which comprises a compression layer and an adhesive rubber layer which are adhered to each other by vulcanizing together and which has polyester fiber cords embedded in the adhesive rubber layer, wherein the com...
11/04/2003
6586073Films having a microfibrillated surface and method of making
Fibers and microfibrillated articles are provided by imparting fluid energy to at least one surface of a highly oriented, voided, melt-processed polymeric film. The fibers and microfibrillated articles are useful as tape backings, filters, thermal and aco...
07/01/2003
6451240Method of manufacturing an intracutaneous microneedle array
A microneedle array is manufactured using a mold preparation procedure that begins by placing an optical mask over a layer of PMMA material, exposing the PMMA material to x-rays, then developing using a photoresist process. The remaining PMMA material is ...
09/17/2002
6432347Process of making a microfibrillated article
Microfibers and microfibrillated articles are prepared by imparting fluid energy to a surface of a highly oriented, highly crystalline, melt-processed polymeric film. The microfibers and microfibrillated articles are useful as tape backings, filters, ther...
08/13/2002
6395217Extrusion molding process and the related apparatus
An extrusion molding process including the steps of: i) extruding a material through an extruding die into a tubular molding, ii) driving two clamping devices to clamp the tubular molding at different elevations, causing an air-tight space to be formed wi...
05/28/2002
6331343Films having a fibrillated surface and method of making
Fibers and fibrillated articles are provided by imparting fluid energy to at least one surface of a highly oriented, voided, melt-processed polymeric film. The fibers and fibrillated articles are useful as tape backings, filters, thermal and acoustical in...
12/18/2001
6319453Method of making a multiple neck spray bottle
A method of making a multiple neck spray bottle comprising the steps of providing a blow mold having a molding cavity configured for molding a multiple-neck spray bottle have multiple open headed neck portions with at least one threaded neck portion confi...
11/20/2001
6312640Process of making an apertured web
A porous structure is provided between a forming member and an underlying support structure so as to facilitate the drainage of liquid through the porous member when a web is supported on the porous member and columnar streams of liquid are directed at th...
11/06/2001
6240817Method of forming improved apertured films by using fluid perforation
An apertured film for use as a topsheet in absorbent products wherein the film is apertured and includes a plurality of micro-holes and a plurality of large-sized holes. A method of forming the film is disclosed, as well as an absorbent product incorporat...
06/05/2001
6217817Method for blow-molding tube container
A blow molding method for molding tube containers by introducing blow air into a parison having been extruded by an extruder is disclosed, which comprises introducing blow air into the parison to shape a tube container and form a discharge outlet in part ...
04/17/2001
6180052Fluid transport webs exhibiting surface energy gradients
The present invention pertains, in a preferred embodiment, to a fluid-pervious web comprising a first or wearer-contacting surface and a second or garment-facing surface. The web is particularly well suited for use as a topsheet on a disposable absorbent ...
01/30/2001
6110412Tubular, ported air duct and method for manufacturing the same
A ported tubular air duct and a method for manufacturing a side-ported tubular air duct. The air duct has a side port located substantially ninety degrees (90°) to the part line of a mold in which the air duct is manufactured. The mold has two portions w...
08/29/2000
6027683Extrusion molding process and apparatus
An extruded tubular molding is clamped at upper and lower portions thereof to form an air-tight space therebetween and thereafter compressed within two corresponding halves of a molding die and molded into the configuration of a final product. The lower p...
02/22/2000
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