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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3906071 |
Dip molding process
A dip molding process for producing seat belt housings or the like in which a portion of a heated mold or die is dipped relatively quickly into a plastisol having a first durometer rating and is...
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3859410 |
MANUFACTURE OF GLOVES, SUCH AS SURGICAL GLOVES, FROM LATEX
A method of producing a glove, such as a surgical glove, having relatively thin wall thickness in the finger and palm portions and a relatively thick wall thickness in the cuff portion, comprising...
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3843296 |
GLOVE PRODUCING APPARATUS
Glove producing apparatus comprising at least one hand-shaped former movable along a path from a first station through a second station to a third station; control means operative to locate the...
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3728429 |
SLUSH MOLDING PROCESS
A process for slush molding hollow thin-walled flexible plastisol articles which begins with the application of an initial thin coating of liquid plastisol to the interior surface of a cooled open...
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3487146 |
PROCESS FOR DIP MOLDING ARTICLES HAVING PORTIONS OF INCREASED THICKNESS
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3440714 |
METHOD OF MAKING ANIMATED FIGURE TOYS HAVING EMBEDDED CONNECTOR MEANS AND A THICKENED AREA
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3375310 |
Method for making surgical catheters
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3368936 |
Method and apparatus for introducing a flocculating agent to an asbestoscement slurry to control the thickness of the sheet used in winding to form a pipe
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3306965 |
Process for the manufacture of parts having a complex border of an elastomer material
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3268647 |
Manufacture of rubber gloves
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3198865 |
Method of applying a microporous plastic membrane filter on a support
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3134831 |
Method of making an open hollow article from a plastisol
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3117341 |
Dip-coating method and apparatus
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3079643 |
Manufacture of deposited latex articles
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3076464 |
Women's garment made partly or wholly of deposited latex surfaced with flock
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3072914 |
Disposable sanitary glove and method of making same
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3013302 |
Apparatus and process for making latex surgical gloves
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3005237 |
Method of producing latex dipped articles
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