...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8110132 | Process 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 |
| 8003031 | Method 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 |
| 7892468 | Polytetrafluoroethylene 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 |
| 7288289 | Method 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 |
| 7279198 | Method 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 |
| 7235202 | Net 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 |
| 7217250 | Open 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 |
| 7195727 | Extruded 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 |
| 7182903 | Endless 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 |
| 7178309 | Machine 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 |
| 7175791 | Process 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 |
| 7172718 | Method 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 |
| 7163655 | Method 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 |
| 7156007 | Device 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 |
| 7138176 | Transparent, 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 |
| 7128853 | Method 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 |
| 7114310 | Process 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 |
| 7097728 | Frangible fiberglass insulation batts A frangible fiberglass insulation batt includes a frangible plane defined by a series of cuts in the batt. ... | 08/29/2006 |
| 7090566 | Grinding 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 |
| 7074292 | Processes 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 |
| 7060210 | Method 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 |
| 7060212 | Roof 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 |
| 7052641 | Process 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 |
| 7029265 | Apparatus 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 |
| 7016633 | Developing 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 |
| 6979381 | Frangible 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 |
| 6962635 | Method 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 |
| 6935072 | Weather 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 |
| 6927315 | Adhesive 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 |
| 6921507 | Method 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 |
| 6918234 | Process 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 |
| 6913718 | Method 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 |
| 6910875 | Device 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 |
| 6909028 | Stable 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 |
| 6908580 | Method 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 |
| 6893603 | Production 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 |
| 6866812 | Process 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 |
| 6838030 | Method 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 |
| 6824719 | Method 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 |
| 6790405 | Polyolefin 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 |