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The West Company Patents
Assignee:
The West Company
Address:
Phoenixville, PA
No. of patents:
51
Patents:


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Patent Number Title Of Patent Date Issued
D270620 Pouring attachment for containers or the like September 20, 1983
5735609 Container for holding sterilized elements April 7, 1998
A container for holding elements to be sterilized prior to introduction into an isolation system having an isolated inner region. The container includes a flexible bag having a first end defining a first opening for removing the elements from the flexible bag. A transfer port is attached
5477663 Robotic tray loader system, method and apparatus December 26, 1995
In a system for transferring groups of containers from one location to another, a loading station including a transfer mechanism for continuously delivering rows of containers from the transfer station to a tray loading station. A device at the tray loading station is included for cyclin
5447699 Combination container for holding sterilized elements and a sterilizable transfer port September 5, 1995
The present invention relates to a combination container for holding sterilized elements and a sterilizable transfer port for transferring the sterilized elements into an isolation system having a wall. The container includes a flexible bag defining a cavity containing a plurality of the
4975308 Molded pharmaceutical primary closure December 4, 1990
A molded pharmaceutical primary closure including a thermoplastic elastomer molded into the shape of a closure and having a compression set less than about forty percent, an oxygen transmission rate of less than 500 cc/m.sup.2 /day, a moisture vapor transmission rate of less than 2 g
4956560 Liquid level detector system with fill-level signature detection September 11, 1990
An apparatus for checking the fill level of a vial. The apparatus indicates the presence of a vial in a predetermined location. Light is sensed to measuring the amount of light which is able to pass through the vial at that location. A signal is produced which is porportional to the amou
4904435 Method for making tamper-evident container closure February 27, 1990
A method of making a tamper-evident closure cap including the steps of forming a one piece closure cap from a plastic material having a top, a skirt depending from the top and a tamper-evident band depending from the skirt. The band has a radially inward directed rib and an annular porti
4882210 Glass container November 21, 1989
A container for use with a closure and a glass container having an access opening for a closure. The container was a crush strength increasing polyparaxylylene coating on at least one side of the glass container at a thickness of at least 0.1 microns to give at least 40% increased crush
4871354 Wet-dry bag with lyphozation vial October 3, 1989
A composite medicament container including a vial to contain a dry powdered medicament, an outlet opening in the vial, a Lyo-stopper closing and sealing the outlet opening, and a flexible liquid container to contain a diluent for the dry medicament. The liquid container has a discharge p
4856640 Stopper elevator conveyor August 15, 1989
A device for transferring small discrete objects such as pharmaceutical stoppers andn caps including a frame movably positionable at a predetermined location for delivery of the objects and an angularly displaced conveyor on the frame having a discharge chute at the predetermined loc
4848615 Tamper-evident snap type container closure assembly July 18, 1989
A tamper-proof closure for a container having a discharge opening at one end and a wall member spanning the opening, inter-engaging locking between the skirt of the cap and the container opening, a tab projecting radially outwardly from the skirt registerable with a recess or gap in a ra
4830208 Tamper-evident container-closure assembly May 16, 1989
A tamper-proof ring for securing a closure over the open end of a container. The closure and container has a projection engageable by the ring which comprises an annular member which before application to a container-closure assembly has a generally cylindrical section of a diameter
4810752 Halobutyl thermoplastic elastomer March 7, 1989
A thermoplastic elastomer composition is disclosed, comprising a halobutyl rubber cured by dynamic vulcanization with a multifunctional amine curing agent. The cure is effected in the presence of at least 20 parts of a mixture formed from 10 to 60 parts of a polyolefin and 1 to 90 parts
4784279 Present invention relates to improvements in tamper-proof closures November 15, 1988
A tamper-proof seal for a container having at least one circumferentially extending flange adjacent the discharge opening therein comprising an annular top and a circumferentially extending skirt depending from the top adapted to be crimped at its lower terminal edge to engage under the
4768682 Child-resistant dropper assembly September 6, 1988
A child-resistant dropper closure container combination comprising a container having a finish at its discharge end including a plurality of locking fingers spaced apart to define a series of circumferentially spaced channels and having keeper slots, a cap having an annular top and a
4744790 Fast action cartridge syringe holder May 17, 1988
A holder for cartridges or containers for medicaments in injectable form comprising an elongated housing having a pocket for the cartridge, a head assembly including an elongated plunger rod adapted to be attached to the cartridge plunger for actuating the same to effect discharge of med
4744480 Tamper-evident container-closure May 17, 1988
A container and tamper evident closure. The container has a threaded neck, first and second beads spaced below the threads and a groove between the beads. A threaded closure has a tamper-evident band connected to the lower terminal edge of the closure by a series of spaced, facturable br
4735311 Needle shield assembly April 5, 1988
A needle shield comprising an elongated tubular housing having a central bore, means at one end for detachably mounting the shield to the hub of a syringe assembly, and means defining an elongated generally cylindrical chamber in the end of the housing opposite the mounting means. An inn
4721756 Molded rubber products January 26, 1988
A method of producing a molded rubber product for use in the pharmaceutical industry comprising the steps of mixing a rubber formulation including a halogenated butyl rubber and a curing system of from 0.5 to 2.0 parts by weight of zinc oxide and from 0.5 to 1.5 parts by weight of m-PBM.
4664277 Bonded closure assembly May 12, 1987
A closure adapted to hold in place a stopper in a container comprising a cap of cup-like form made of metal and having at least a portion thereof covered by a bondable material, said portion being detachably secured by fracturable means and a cover member bonded to said detachable portio
4550825 Multicompartment medicament container November 5, 1985
A composite package adapted for initially separately containing a dry medicament and a diluent therefor, the diluent containing package portion being a collapsible bag with an I.V. set fitment attachment port and an injection port, and a dry medicament containing receptacle container, th
4540632 Coating composition for elastomeric packaging components September 10, 1985
A coating composition for an elastomeric substrate used in packaging comprising polytetrafluoroethylene and poly n-butyl acrylate in a solvent comprising a blend of a 1,1-trichlorethane and 1,1,2-trichloro-2,2-trafluoroethane, and the coated elastomeric substrate.
4511044 Seal force monitor apparatus, system, and method for in-process determination of integrity of se April 16, 1985
A system and method for determining the integrity of a sealed container closure assembly wherein the closure is secured to the container by a force applying member and the integrity is determined by converting the force used to secure the closure into a force signal and comparing the
4479578 Single barrel two-compartment medicament container assembly October 30, 1984
A single barrel two compartment assembly for medicaments comprising an elongated cylindrical hollow barrel having a normally sealed discharge end, a bypass plunger made of a pliable resilient material having a forward section of a diameter slightly greater than the diameter of the ba
4471879 Metal overcap for pharmaceutical and similar containers September 18, 1984
This invention relates to an overcap for pharmaceutical and similar containers which enables an immediate determination to be made whether or not the container has been tampered with or if an additive has been injected into the containers.
4448318 Tamper evident container-closure assembly May 15, 1984
A closure for containers having a discharge opening and a finish with means for supporting the closure over the discharge opening comprising a cap portion of generally cup-like form having a top and a depending skirt with means on the interior peripheral surface thereof cooperating with
4436478 Apparatus for making molded articles March 13, 1984
Apparatus for handling a plurality of clad elements of a predetermined configuration formed from a sheet consisting of a layer of an elastomeric material bonded to a layer of inert material and deposited in openings of a die corresponding in number and arrangement to cavities of a mold.
4405317 Syringe assembly September 20, 1983
In a syringe assembly comprising an outer barrel for a powder medicament, an inner barrel telescopically mounted in the outer barrel for diluent, seal means isolating the powder and diluent compartments comprising a plug member made of a resilient material sealingly engaging in the disch
4403707 Combination container cap and closure seal September 13, 1983
A combination TIP-OFF cap and container closure and sealing means adapted for operative assembly to a container to seal an access opening therein, thereby to seal the contents of the container. The cap comprises an elongated exterior top portion and an open ended skirt depending therefro
4401226 Venting closure assembly August 30, 1983
A venting closure for sealing a pressurized container comprising a stopper member having an elongated stem portion engageable in the discharge opening in the container, an enlarged head portion having a bottom chamber formed in its outer axial end face, a generally disc-like button rotat
4398989 System for making molded articles August 16, 1983
Disclosed is a method for making articles comprised of a body portion of an elastomeric material having a liner of an inert material covering at least a portion of the peripheral surface of said body portion including the steps of bonding a layer of elastomeric material to one face of a
4397903 Molded articles August 9, 1983
Disclosed is a method for making articles comprised of a body portion of an elastomeric material having a liner of an inert material covering at least a portion of the peripheral surface of said body portion including the steps of bonding a layer of elastomeric material to one face of a
4397706 Method for making molded articles August 9, 1983
Disclosed is a method for making articles comprised of a body portion of an elastomeric material having a liner of an inert material covering at least a portion of the peripheral surface of said body portion including the steps of bonding a layer of elastomeric material to one face of a
4396134 Pouring adapter-closure assembly August 2, 1983
A pouring adaptor to be secured to the discharge end of a container or the like comprising a generally cylindrical skirt portion having a bead at its lower terminal edge for detachably securing it to the container finish and a radially inwardly directed top portion which snugly seats on
4394922 Rubber stopper with plastic pull ring July 26, 1983
A stopper assembly for pharmaceutical containers or the like having a pull ring operable between a position flush with the top face of the stopper and an erect position engageable by the finger of the user for removing the stopper from the container. In acccordance with the preferred
4389271 Method for making molded articles June 21, 1983
A method and system for making molded articles including a disc from a laminated sheet comprising a layer of elastomeric material and a layer of inert material consisting of the steps of partially cutting at least one disc from sheet material, positioning the sheet over a transfer plate
4385707 Composite tip-off container cap May 31, 1983
A composite tip-off type cap, and closure sealing means, operatively connected to a container for closure thereof and sealing of the contents therein. The composite cap includes a narrow elongated exterior top portion, a peripherally enlarged open bottom skirt at the bottom thereof,
4384653 Tip-off cap and closure for containers May 24, 1983
A tip-off cap and closure for a container, for closure thereof, and sealing of the contents therein. The cap includes a narrow elongated exterior top portion, a peripherally enlarged open bottom skirt at the bottom thereof, and a container closure for an access opening, operatively dispo
4337644 Gimbal anvil for seal force test device July 6, 1982
A gimbal-type anvil for apparatus for testing in the integrity of a sealed container closure assembly. These assemblies generally comprise a container, a resilient sealing element mounted in the discharge opening in the container and a cup-like cap engaging over the stopper and seating i
4331146 Syringe assembly May 25, 1982
A syringe assembly comprising a casing for a medicament or the like having a discharge opening at one end, a diaphragm assembly mounted at said end normally sealing said contents, plunger means movable in said casing and operable upon displacement in one direction to effect increase in p
4315427 Apparatus, method and system for determining the integrity of sealed containers February 16, 1982
A method, apparatus and system for determining the integrity of a container sealed by means of a closure comprising a resilient sealing element and a cup-like cap having a top and a depending skirt compressing the resilient sealing element over the discharge opening in the container. The
4306448 Apparatus, method and system for determining the integrity of sealed containers December 22, 1981
A method, apparatus and system for testing the integrity of a container sealed by means of a closure comprising a resilient sealing element and a cup-like cap having a top and a depending skirt compressing the sealing element over the discharge opening in the container. The invention
4296786 Transfer device for use in mixing a primary solution and a secondary or additive substance October 27, 1981
A transfer device for use in mixing substances in different containers normally closed by a stopper of resilient material having a puncturable diaphragm consisting of a central body portion and a pair of aligned spikes or cannulas projecting from opposite sides of said central body p
4244378 Pressure responsive one-way valve for medical systems January 13, 1981
A valve assembly comprising a housing having a valve chamber, an inlet at one axial end of the valve chamber and an outlet at the opposite axial end of the valve chamber. A rib surrounds the inlet opening in the chamber. A valve element is mounted in the chamber comprising a generally di
4204605 Container-closure assembly May 27, 1980
A container-closure assembly. The container has a discharge opening, a locking flange of generally circular opening with a frusto conical side face diverging downwardly from the axial end face of the opening. A shaping surface is formed below the locking flange of non-circular cross
4180069 Plunger rod and piston for a syringe December 25, 1979
A plunger rod and piston for a syringe which are easily and quickly assembled with a minimum force. The plunger rod has a tip of truncated "christmas tree" shape and the piston, which is of a flexible resilient material, has a pocket of complementary shape to receive the plunger tip.
4071156 Child resistant container-closure assembly January 31, 1978
A closure for a container having a neck with an access opening therein and means defining a locking rib on the outer surface of the neck interrupted at least at two circumferentially spaced locations to define gaps therein or predetermined differing arcuate dimensions, said closure inclu
4002103 Reciprocating apparatus with a controllable dwell time at each end of the stroke January 11, 1977
The piston of a pneumatic cylinder is reciprocated with a controllable dwell time at each end of its stroke, under the control of a digital fluidic circuit which responds to the termination of exhaust flow at the end of each piston stroke to initiate the reverse piston stroke. The air
3980211 Pouring adaptor-closure assembly September 14, 1976
A pouring adaptor adapted to be mounted over the open end in a container for liquid products comprising a central disc portion having a locking rib for securing the adaptor over the discharge opening in the container, a lower section depending into the container having a plurality of
3952897 Primary nurser assembly April 27, 1976
A primary nurser assembly for mounting over an opening in a container comprisingA dam member including a lower wall spanning the opening in the container and a radially outwardly directed flange overlying the axial end face of the container adjacent the opening, said lower wall having a
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