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Class 264/146 - Slitting longitudinally


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the continuously formed work is slit parallel
No. of patents: 227
Last issue date: 02/07/2012


1            
NumberTitleIssue Date
8110132Process and machine for manufacturing lap siding and the product made thereby
A process for manufacturing an elongated panel formed of synthetic materials including a polymer resin matrix, a filler and a fiber reinforcement. The process includes depositing the curable composition on a conveyor belt, distributing and leveling the curable compo...
02/07/2012
8003031Method and apparatus for producing oriented slit film tapes
The invention relates to a method for producing oriented slit film tapes, comprising the following steps: extruding melt polymer through a die (2); simultaneous quenching and melt-drawing of the molten polymer in the cooling device to form a film sheet (3
08/23/2011
7892468Polytetrafluoroethylene slit yarn and method for manufacturing same
A slit yarn wherein both side parts of the slit yarn are folded one or more times, and the folded width is substantially uniform along the direction of length of the yarn. In this slit yarn, when the width is measured at 20 or more points at intervals of 0.5 m, and ...
02/22/2011
7288289Method and apparatus for manufacturing sheet flooring by simultaneous multi-layer die coating
Surface coverings and surface covering components and methods for forming them using slot die coating are disclosed. The methods involve applying a plurality of wet layers to a substrate simultaneously or in sequence using a slot die coater, wherein a plurality of w...
10/30/2007
7279198Method for extrusion coating a lightweight web
The specification discloses a method for extrusion coating a lightweight web. According to the method, a length of a lightweight web along with a length of a carrier web is fed to an extruder with the lightweight web positioned atop the carrier web. A polymer film i...
10/09/2007
7235202Net structure and method of making
The present invention concerns an extrusion formed reticulated web, mesh or netting including reticulated hook fasteners for use with hook and loop fasteners the polymer netting comprising two sets of strands at angles to each other. The first set of strands are a p...
06/26/2007
7217250Open lumen stents
A stent may include a flexible, elongate body having a curled proximal portion, a curled distal portion, and a main portion extending between the proximal and distal portions. The main and distal portions together may define a channel laterally open throughout at le...
05/15/2007
7195727Extruded automotive trim and method of making same
An automotive trim product is made as follows. A single or multiple layer sheet is extruded so as to include at least one color pigmented and/or metallized layer therein. Optionally, a clear coat may be laminated to the sheet, or may even be coextruded therewith. In...
03/27/2007
7182903Endless belt member stress relief
Multilayered web stock is directed toward a curved surface and at least one layer of the web stock is heated to a temperature above a glass transition temperature of the at least one layer of the web stock. The heating can occur just before or upon engaging the curv...
02/27/2007
7178309Machine for processing web of material
The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking membe...
02/20/2007
7175791Process for producing dish-shaped moldings of thermoplastic material
A process for the production of dish-shaped moldings or hollow bodies of thermoplastic material comprises the step of producing an at least approximately tubular preform by the extrusion of thermoplastic material. The preform is axially divided to form at least one ...
02/13/2007
7172718Method of manufacturing a rubber sheet for a power transmission belt and a power transmission belt incorporating the rubber sheet
A method of manufacturing a power transmission belt having a body with a length and a cushion rubber layer in which at least one carrying member is embedded so as to extend lengthwise of the body. The method includes the steps of: extrusion molding (a) a first rubbe...
02/06/2007
7163655Method and apparatus for extruding polymers employing microwave energy
An apparatus and method for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then ...
01/16/2007
7156007Device and a process for coarsely grinding hydrous polymer gels
The present invention relates to a device for crushing a hydrous polymer jelly, comprising two rolls (11,12) located axially parallel and rotating in opposite directions between which a nip (13) for the passage of the polymer gel (10) is formed....
01/02/2007
7138176Transparent, low-flammability, UV-resistant film made from a crystallizable thermoplastic, its use and process for its production
The present invention relates to a transparent, low-flammability, UV-resistant, oriented film made from a crystallizable thermoplastic and having a thickness of from 5 to 300 μm. The film comprises at least one UV stabilizer and at least one flame retardant, and at...
11/21/2006
7128853Method and apparatus for manufacturing a rubber sheet containing short fibers
A method and apparatus for manufacturing a rubber sheet containing short fibers. The method includes the steps of: mixing short fibers in a flowable rubber matrix; forming the flowable rubber matrix with the fibers therein into a cylindrical shape with a circumferen...
10/31/2006
7114310Process for attaching slider operated closure on form-fill-seal packaging machinery
The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking membe...
10/03/2006
7097728Frangible fiberglass insulation batts
A frangible fiberglass insulation batt includes a frangible plane defined by a series of cuts in the batt. ...
08/29/2006
7090566Grinding apparatus and method for manufacturing magnetic recording medium using the same
A grindstone of a diamond wheel is cleaned by a rotating brush additionally provided in close proximity of the diamond wheel during a grinding operation in which a magnetic layer of a magnetic tape material being transferred is ground continuously by the diamond whe...
08/15/2006
7074292Processes for manufacturing blade member of developer quantity control blade
A blade member manufacturing process using no mold and a developer quantity control blade manufacturing process using this blade member are disclosed in which a material for the blade member is extruded onto a charge control face face-transferring sheet in a uniform...
07/11/2006
7060210Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures
This invention involves forward integration of the art paste extrusion process by adding a step to the processing sequence to change the uniaxially-oriented art form to a desirable planar biaxially-oriented form. This invention also involves the backward integration...
06/13/2006
7060212Roof tiles, roof tile layout, and method of manufacture
Complementary roof tiles for a staggered roof tile layout are provided by: (i) extruding and conveying a composite ribbon; (ii) demarcating the composite ribbon into an alternating succession of a first roof tile type and a second roof tile type by engaging the comp...
06/13/2006
7052641Process of making stretch wrap film
A method of making a plastics stretch film comprises the steps of taking a cast or blown film of LLDPE at a temperature of between 50° C. and 100° C., stretching it in two successive stretching steps, the first step having a stretch ratio higher than that of the s...
05/30/2006
7029265Apparatus for producing plastic panels with undercut
An apparatus for the continuous and nondestructive production of plastic panels which are provided with undercut anchoring studs, web profiles or other forms of attachment (28) on one or both surfaces comprises a temperature-controlled chill roll (11),...
04/18/2006
7016633Developing assembly featuring a developer-carrying member having specified ranges of deformation and hardness and a developer quality control blade having a rough contact surface
In a developing assembly comprising a developer-carrying member and a developer quantity control blade kept in pressure contact with the developer-carrying member, the developer-carrying member has a deformation percentage D of 0.5% or less in the direction of press...
03/21/2006
6979381Frangible fiberglass insulation batts
A frangible fiberglass insulation batt includes a pair of fiberglass strips arranged to lie in side-by-side relation to one another and a frangible polymerized binder bridge spanning a gap between the fiberglass strips and retaining the fiberglass strips in side-by-...
12/27/2005
6962635Method for making a stem web
Method for making a stem web material having a plurality of stems extending from discrete regions (patches or stripes) of the web, comprising: a) providing a web (e.g. nonwoven, woven or knit textile fabric; paper; microporous membrane, polymer film; et...
11/08/2005
6935072Weather strip having variable length holding lip
A weather strip includes a trim body having a generally U-shaped cross section, a hollow seal portion that protrudes from an outside surface of the trim body, and a holding lip formed on the trim body so as to extend from an inside surface of the trim body toward th...
08/30/2005
6927315Adhesive composite having distinct phases
A conformable adhesive article for use as a sterile medical dressing is described. The article includes a breathable polymeric matrix, a plurality of phases, and an adhesive composition positioned on the polymeric matrix. The plurality of phases preferably provide r...
08/09/2005
6921507Method for manufacturing a product of thermoplastic resin and/or thermoplastic elastomer
The object of the present invention is to provide a method for manufacturing a product of thermoplastic resin and/or thermoplastic elastomer with materials of high recycle capability, preventing the productivity drop and the cost increase as well as the damage cause...
07/26/2005
6918234Process for attaching slider-operated closure on form-fill-seal packaging machinery
The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking membe...
07/19/2005
6913718Method of making shaped components for disposable absorbent articles
A method for formation of shaped components such as shaped absorbent cores, for disposable absorbent articles, contemplates that a relatively wide web of material be provided from which the components are cut. The web of material is longitudinally slit to form a plu...
07/05/2005
6910875Device for producing an unvulcanized rubber member for tire manufacturing
The present invention provides a device for producing an unvulcanized rubber member for tire manufacturing. The device includes an extruder with a die that extrudes the unvulcanized rubber member to form multiple rib-protrusions that extend in a direction correspond...
06/28/2005
6909028Stable breathable elastic garments
A thermally stable microporous breathable film is provided comprising at least 35% filler, by weight of the filled-film, and a thermoplastic polymer blend of a first polyethylene polymer and a second polyethylene polymer. The first polyethylene polymer comprises 30%...
06/21/2005
6908580Method and device for producing synthetic panels with undercut, one-piece extensions and a synthetic panel of this type
An apparatus for the continuous and nondestructive production of plastic panels which are provided with undercut anchoring studs, web profiles or other forms of attachments (28) on one or both surfaces comprises a temperature-controlled chill roll (11)...
06/21/2005
6893603Production of hollow plastic articles
The present invention relates to a process for producing hollow plastic articles, encompassing the following steps: a) producing a tubular plastic parison on a blow molding plant or coextrusion blow molding plant b) cutting open the extrude...
05/17/2005
6866812Process for manufacturing hollow plastic bodies
Process for manufacturing hollow plastic bodies, especially motor-vehicle fuel tanks, from an extruded parison of closed cross section, in which at least one cut is made in the parison which is then formed by molding. ...
03/15/2005
6838030Method of and apparatus for manufacturing molded materials of thermosetting resin composition
A method of manufacturing molded materials of a thermosetting resin composition in a method of granulating a molding material of the thermosetting resin composition, in which a sheet producing step for transferring the molding material in a molten state to a subsequ...
01/04/2005
6824719Method for making printed and/or embossed decorative grass
Method for producing decorative grass, such as Easter grass, from a sheet or web of material having printed material and/or embossed patterns thereon. The printed material and embossed patterns may be in register or out of register with one another. A method for pro...
11/30/2004
6790405Polyolefin film with embossed surface
An embossed, cast polyolefin film or an embossed, oriented polyolefin film includes: (a) a core layer including a propylene polymer; (b) an embossed outer layer on one side of the core layer, the embossed outer layer including an olefin polymer capable of being embo...
09/14/2004
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