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| Number | Title | Issue Date |
| 7048884 | Production of gloves and other articles of flexible polymer material A process for producing an article in a flexible foamed polymer material, including treating a former with a coagulant; dipping the treated former in a latex foam mixture to form a layer of the mixture on the former that includes air cells; curing the layer to gel t... | 05/23/2006 |
| 6953332 | Mandrel for use in forming valved prostheses having polymer leaflets by dip coating Improved dip coating methods and mandrels for forming polymer leaflets and valve prostheses generally involve one or more features on the mandrel that facilitate the processing. The mandrel has a top surface and an outer surface comprising a plurality of ridges and ... | 10/11/2005 |
| 6936210 | Wave molding method and apparatus for manufacturing cannulae A method of making a cannula includes providing a plurality of polymer reservoirs with each reservoir containing a polymer material and providing a nozzle mounted within each reservoir of the plurality of reservoirs. The method further includes one or more of prehea... | 08/30/2005 |
| 6929766 | Dispense molding method and apparatus for manufacturing cannulae A method of making a cannula utilizing dispense molding includes providing at least one dispense nozzle that dispenses a polymer material, providing a mandrel, moving at least one of the mandrel and at least one dispense nozzle relative to one another to produce an ... | 08/16/2005 |
| 6838031 | Method and mold for manufacture of a solid molded article, and a solid molded article manufactured according to the method A method for molding a thick part without significant surface distortion is disclosed. A cavity mold having a first core mold portion with strakes is used to create a first molded form having ribs proportioned and spaced apart to prevent distortions on one surface o... | 01/04/2005 |
| 6669891 | Method and apparatus for producing brake lining material An apparatus and method for producing a sheet of brake lining material utilizes a mold which has a mold base and a mold frame. The mold frame is slidingly received on the mold base. The sliding relationship between the mold frame and the mold base results... | 12/30/2003 |
| 6639007 | Elastomeric copolymer compositions and articles made therewith An elastomeric composition includes a single S-EB-S block copolymer having at least about 15 weight percent of styrene end blocks, wherein the weight average molecular weight of the styrene end blocks is at least about 7,000 Daltons and the weight average... | 10/28/2003 |
| 6461561 | Slush molding process A molding arrangement and method, such as slush or rotational molding, for forming a thermoplastic shell or skin product. The mold arrangement includes a hollow mold housing provided with a mold shell thereon, which together define an air chamber located ... | 10/08/2002 |
| 6383434 | Method of shaping structures with an overcoat layer including female urinary catheter A method of shaping polymeric structures by coating a support structure with a bond-preventing agent to attain a particular shape and subsequently coating the shaped structure of the bond-preventing agent with a polymeric bonding composition is provided. ... | 05/07/2002 |
| 6312633 | Method of producing a slush membrane with a predetermined breaking line for an airbag flap A method of producing dashboards, door or side trim panels for motor vehicles with a predetermined breaking line for an airbag flap is described. To accomplish this, slush material is introduced into a mold which can be heated to a molding temperature and... | 11/06/2001 |
| 6217815 | Method and apparatus for manufacturing prophylactic devices Prophylactic devices are made in an inert atmosphere by cooling mandrels on which the devices are to be deposited, dipping the mandrels into a polymeric material in a solvent/carrier and a mold release agent, rotating the mandrels during and after the dip... | 04/17/2001 |
| 6126880 | Production of a prophylactic A plunger tool for producing a special prophylactic is disclosed. The special features of the plunger tool reside in the special curvatures in its shaped section. The shaped section of the plunger tool exhibits an extreme narrowing, at the deepest point o... | 10/03/2000 |
| 6030201 | Process and device for producing a prophylactic A process and a device for producing a thin-walled prophylactic, which is manufactured in a plurality of immersion stages, is disclosed. The device includes an endless conveyer belt on which an elongated cylindrical immersion tool is mounted. The process ... | 02/29/2000 |
| 6019590 | Slush molding apparatus A molding apparatus and method, such as slush or rotational molding, for forming a thermoplastic shell product. The mold assembly includes a hollow mold box provided with a metal mold shell thereon, which box and shell cooperate to define a hollow chamber... | 02/01/2000 |
| 6015513 | Method of making lipstick samplers A method of manufacturing disposable, single-use lipstick samplers by means of a dipping process. In a preferred form, a reservoir containing molten lipstick wax material is provided, and a spindle which is disposed above the reservoir is advanceable towa... | 01/18/2000 |
| 5972271 | Method of preparing moisture barrier sheet material A modified bitumen sheet material and method for a protective moisture barrier, particularly for masonry surfaces. The sheet material has a bitumen layer modified by the addition of a minor amount of a long-chain polybutadiene-isocyanate urethane polymer ... | 10/26/1999 |
| 5953756 | Glove of rubber or the like Glove of rubber or the like provided with an essentially tubular sleeve portion (15) and a cuff portion (14) which extends conically outwardly in extension of the sleeve portion (15) and can be folded back such that the free end of the conically outwardly... | 09/21/1999 |
| 5922365 | Apparatus for dip-molding and enclosed loop An apparatus and method is disclosed for forming enclosed loops in plastic parts using a mandrel-dip method. A mandrel is formed with a loop attached to the mandrel at one end, but separated from the mandrel at the other end by a gap. The process for form... | 07/13/1999 |
| 5833911 | Method for forming a glove using a folded glove form A method for forming a glove in an elastomer deposition process employs a folded glove form. The form has a hand forming portion having palm and finger forming portions. The finger forming portions terminate in distal tips and the cuff forming portion ter... | 11/10/1998 |
| 5785905 | Method of making lipstick samplers A method of manufacturing disposable, single-use lipstick samplers by means of a dipping process. In a preferred form, a reservoir containing molten lipstick wax material is provided, and a spindle which is disposed above the reservoir is advanceable towa... | 07/28/1998 |
| 5670111 | Method of shaping structures with an overcoat layer including female urinary catheter A method of shaping polymeric structures by coating a support structure with a bond-preventing agent to attain a particular shape and subsequently coating the shaped structure of the bond-preventing agent with a polymeric bonding composition is provided. ... | 09/23/1997 |
| 5632948 | Method of manufacturing hand covering with attached pad A method of manufacturing a hand covering with a pad attached thereto wherein a pad is placed in a recess on a former, and a precursor material such as liquid latex is thereafter applied to the former and pad. The precursor material is then cured to form ... | 05/27/1997 |
| 5492664 | Method of making a glowing orb with candle A primary outer shell includes, in its most preferred embodiment, a base and a wall which includes at least one embedded foreign object and defines openings into an inner cavity containing a burnable candle member which causes the outer shell to glow and ... | 02/20/1996 |
| 5304337 | Glove forming method A glove configuration and method for making same of a thin flexible film is shown. The glove and form having an ambidextrous shape useful for either the left or right hand use and a cuff configuration which resists rolldown. The configuration of the cuff ... | 04/19/1994 |
| 5229061 | Mold and method for producing a hollow tube component for a dispensing applicator A mold for use in producing a hollow tube component for a dispensing applicator. The mold has a main body portion that defines a forward end from which extends a sloped shoulder portion, a neck portion, and a stem element. Between the stem element and the... | 07/20/1993 |
| 5133923 | Method of simultaneously forming container strap holders on urinary latex containers A latex container, and associated former and method for producing, for use as a leg bag by urinary incontinent males. The latex leg bag is provided with strap holders that are integrally formed simultaneously with the leg bag structure to provide a more s... | 07/28/1992 |
| 5047191 | Method for manufacturing loudspeaker diaphragm A felted paper loudspeaker diaphragm in which the felted paper of the annular supporting flange is thinner, and of lesser density and higher compliance then the cone body. The supporting flange is permeated with a high compliance elastomer which provides ... | 09/10/1991 |
| 4993137 | Method of manufacturing hard capsules A method for manufacturing capsules causes the solution of thermo-gelling material to gelatinize once, and then drys the gel. Therefore the process of manufacturing capsules is less affected by drying conditions, thus providing capsules of uniform wall th... | 02/19/1991 |
| 4992037 | Mold for forming natural latex lid A mold used to form a latex lid for covering a beverage cup includes a body having a top forming face and a side forming face extending around and turning downward from the top forming face, a stubby projection which has a rounded surface, provided on the... | 02/12/1991 |
| 4822438 | Method for heat insulating a rotational casting mold A process for insulating a rotational casting mold for use in a casting process for making a substantially even thickness fascia. The fascia is prepared by placement of a plastic powdered material into an enclosed mold, heating and agitating the mold for ... | 04/18/1989 |
| 4707315 | Method of making a blood pump In a slush molding method of making a blood pump for an artificial heart, a heat insulating material is applied to at least a portion of the outer surface of a mold in which the blood chamber formed so that at least a part of the blood chamber is thinned ... | 11/17/1987 |
| 4464796 | Glove formed of rubber or plastics material and mold for fabricating the same A glove formed of rubber or plastics material, especially an examination or surgical glove devoid of a roll-down preventing beaded edge and containing a structured surface at the cuff region. The structured surface is formed at the outer side or surface o... | 08/14/1984 |
| 4434126 | Powder coating process for forming soft flexible polyurethane film A powder coating process for producing soft, flexible polyurethane films particularly in the form of a surgical glove, wherein low melting crystalline prepolymer particles are powder coated and cured to an essentially non-crystalline film.... | 02/28/1984 |
| 4390492 | Glove molding method and apparatus A method and apparatus provided for manufacturing elastomer gloves having percentage elongation of at least 300%. In order to prevent excess deposits of the polymer latex in the areas of the tips of the fingers and the webs between the fingers when the ha... | 06/28/1983 |
| 4340348 | Glove molding apparatus A method and apparatus provided for manufacturing elastomer gloves having percentage elongation of at least 300%. In order to prevent excess deposits of the polymer latex in the areas of the tips of the fingers and the webs between the fingers when the ha... | 07/20/1982 |
| 4217325 | Method using modular slush molding machine A method wherein an article is molded of a heat-fusing material or plastisol in a mold having first and second groups of liquid passages disposed adjacent the mold surface for controlling the temperature over respective first and second areas of the mold ... | 08/12/1980 |
| 4061702 | Method of making a plastic container The method of coating a form such as a core or mold to make a thin walled thermoplastic container shell wherein excess plastic is provided in the wall of the shell where required in a predetermined material increasing configuration. The excess plastic is ... | 12/06/1977 |
| 4049767 | Rotational molding process for forming a closed hollow toroidal article Closed hollow toroidal articles such as hollow tires, which may be caused to be thickest at the tread, are molded on the inner surface of a closed toroidal mold slowly rotating on a horizontal axis by charging a fluid elastomer material in such quantity a... | 09/20/1977 |
