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Weatherchem Corporation Patents
Assignee:
Weatherchem Corporation
Address:
Twinsburg, OH
No. of patents:
41
Patents:




Patent Number Title Of Patent Date Issued
RE37634 Two-flap closure April 9, 2002
An injection-molded thermoplastic closure with shake-and-spoon apertures and associated flaps for selectively closing and opening the apertures. The flaps are releasably retained in their closed positions by catch elements which provide retention forces that are relatively insensitive to
D476892 Liquid dispensing cap July 8, 2003
D468639 Liquid dispensing closure January 14, 2003
D421909 Child-resistant screw-on cap March 28, 2000
D404201 Sachet case January 19, 1999
D385791 Single flap push in closure with over catch November 4, 1997
D340188 Single flap container cap October 12, 1993
D340187 Two flap closure October 12, 1993
D339065 Dispensing closure September 7, 1993
D331878 Dispensing cap December 22, 1992
D305206 Two flap container cap December 26, 1989
6830721 Liquid dispensing closure December 14, 2004
A liquid dispensing closure for bottles and the like comprising a one-piece body having an end wall for covering the mouth of the bottle and a depending skirt for threading onto the neck of the bottle. A dispensing aperture in the end wall is surrounded by a spout that affords directiona
6761279 Combined container and closure July 13, 2004
A package, particularly suited for containing viscous foodstuff, comprising a wide-mouth generally rectangular container and a dispensing closure. The closure seals onto the container with a push-on motion and includes a resealable flip-up hinged lid. The container is originally sealed,
6575323 Closure with dispensing flap stay-open construction June 10, 2003
A dispensing closure with a hinged flap for conveniently opening and closing a dispensing aperture. The closure is a one-piece molded part having an integral living hinge. A mechanism for releasably locking the flap in a stay-open position and thereby resisting any tendency of the hi
6510971 Liquid dispensing closure January 28, 2003
A liquid dispensing closure for bottles and the like comprising a one-piece body having an end wall for covering the mouth of the bottle and a depending skirt for threading onto the neck of the bottle. A dispensing aperture in the end wall is surrounded by a spout that affords directiona
6296130 Anti back off screw on closure October 2, 2001
Screw on caps for bottles that have an anti back off feature formed on a hinged tab of the cap engaging detent teeth below the threads on the bottle. The hinge has a unique configuration that enables the tab to snap into and hold a gripping position while avoiding temporary distortion or
6164503 Closure for liquids December 26, 2000
A screw-on closure for bottles that initially works with an induction seal liner and provides a leak resistant reseal on the bottle after the liner is removed. The closure has a unique annular convex sealing surface that overlies the mouth of the bottle. The sealing surface and the closu
5908125 Child-resistant screw-on cap and bottle June 1, 1999
A child-resistant bottle and screw-on cap combination that is relatively easy to open for elderly persons with limited dexterity. The cap has a construction that is particularly suited for use with extrusion blow-molded bottles. The cap and bottle locking structures afford reliable p
5758793 Reclosable top for can June 2, 1998
The invention provides a glue-on closure for a composite can or the like that affords an original hermetic seal. A tamper-evident tear band allows the closure to be conveniently opened. Separate end wall and sidewall parts of the closure are configured to provide reclosability with a
5603421 Two-finger child resistant closure February 18, 1997
A closure cap has winged fingerpieces which include latching members. The fingerpieces provide a hinge-up release movement of the latching members when the fingerpieces are squeezed radially inwardly. The invention provides a closure that is child resistant yet easy and convenient for an
5566850 Rotor-type dispenser October 22, 1996
An injection molded thermoplastic closure for a container having a generally planar wall and an integrally molded push-in tab within the area of the wall. The push-in tab has its boundary formed by discontinuities in the closure wall and the discontinuities are hermetically closed with a
5462182 Screws-on child resistant consumer-friendly closure October 31, 1995
A child resistant closure or cap for use on a container having a threaded, shouldered neck is disclosed. Complimentary locking means on the cap and container shoulder and a resilient release tab are provided. In one embodiment the cap includes an internally threaded cylindrically-shaped
5383582 Sift-resistant dispensing closure January 24, 1995
A rotor-style sift-resistant dispensing closure of injection-molded thermoplastic having a base that provides a resilient seal on its dispensing hole and a rotor carried on the base in a position that compresses the seal for sealing effectiveness. The rotor is accurately maintained i
5330082 Threaded dispensing closure with flap July 19, 1994
A screw-on flap-style dispensing cap having a snap catch for releasably holding the flap in its closed position. The snap catch and supporting cap body and flap areas are configured to increase the retaining force produced by the snap catch when the cap is locally deformed as the cap is
5048730 Moisture-resistant dispensing top September 17, 1991
A screw on container closure has a hinged flap on a dispensing aperture for spooning out product. The flap and aperture have a sealing flash structure that provides a moisture resistant seal therebetween. An integral resilient sealing flange within the closure provides a moisture-resista
4955513 Dispensing closure with flap retention September 11, 1990
An injection-molded plastic dispensing cap providing a semicircular spoon opening through which spoonfuls of the contents of an associated container can be removed. The cap provides a hinged flap for closing the opening which is hinged to the body and movable between an open position and
4936494 Two-flap container closure June 26, 1990
A shake-and-spoon cap for condiment containers and the like is formed of a one-piece injection-molded body. The cap provides a cylindrical skirt having inwardly projecting thread forms for mating with the male threads of a condiment container or the like. Two flaps are provided for s
4792054 Tamper-evident closure for dispensers December 20, 1988
A tamper-evident dispenser end closure including an imperforate hermetically sealed base and a rotor pivotally connected to the base by a snap-fit between a female pocket formed in the base and an annular male protrusion formed in the rotor. The protrusion contains an opening for vis
4693399 Two-flap closure September 15, 1987
An injection-molded thermoplastic closure with shake-and-spoon apertures and associated flaps for selectively closing and opening the apertures. The flaps are releasably retained in their closed positions by catch elements which provide retention forces that are relatively insensitive to
4541541 Tamper-resistant closure for dispensers September 17, 1985
A tamperproof dispenser end closure includes a base and a rotor pivotally connected to the base by a hub. The base and rotor have webs provided with means defining respective dispensing apertures. The base and rotor are retained in a close superposed relationship to each other by the hub
4489864 Interference stop punch-out closure December 25, 1984
A tubular container is provided with a top end punch-out closure comprising a one-piece plastic cap and a rotor on the cap. A punch-out tab defined by a tearing web on the cap can be forced by finger pressure to hinge down from the cap to form a dispensing opening that is aligned with th
4308979 Pre-oriented rotor-type dispenser top January 5, 1982
The rotatable cap of an end closure and the associated end closure base are provided with detent elements defining one rotative position out of the entire 360 degrees and allowing rotation up to such position from all other rotative positions throughout the entire 360 degrees. The detent
4274563 Plastic end closure for hermetically sealed container June 23, 1981
A reclosable end cap or closure is provided of the type in which a rotatable disc or cover member is pivotally connected permanently at the center region of the end cap and can be selectively rotated in sliding face-to-face contact to close or unclose openings formed in radially inte
4253587 Reclosable closure for powder can March 3, 1981
A closure for the usual circular array of holes provided in the top wall of a can of cleaner or the like for dispensing the contents of the can. The closure includes a disc overlying the circular array of holes but covering only a minority of the area of the top wall. The disc is divided
4241856 Child-resistant fluid top December 30, 1980
A closure assembly for a container with a reversible spout for dispensing or storage and having easily manipulated finger grips for assembly and disassembly and releasable locking tabs for resisting disassembly by children. The dispensing spout includes a special base configuration which
4183457 Shrink tape closure January 15, 1980
An end closure cap for a tape sealed assembly with a cylindrical shell. The closure cap is characterized by a deep dish construction having a high degree of dimensional adaptability making it particularly suited for use with composite shells manufactured with relatively wide dimensional
4106672 Resealable end closure having plural openings August 15, 1978
A container includes a fiber tube and a plastic end closure. The end closure is of one piece plastic construction and includes a base having a central opening. A dish shaped dispensing wall covers the central opening and provides a plurality of small dispensing holes. A tab covers the
4082201 Two-piece end closure with assembly device April 4, 1978
A two-piece end closure for a container includes a stationary base and a recloseable cap. The base includes a through opening for dispensing the contents of the container and an annular trough extending substantially 360.degree. around the opening. The cap includes a cover portion extend
4040595 Injection molding machine August 9, 1977
An injection molding machine includes a stationary mold half and a movable mold half. The stationary and movable mold halves cooperatively define a mold cavity for injection molding an end closure article having a base and a recloseable tab molded in an open position relative to the base
4029202 Container with plastic cap and display rack therefore June 14, 1977
A container comprising a fiber tube and a plastic end closure is shipped and displayed at the point of purchase in a display rack. A first end of the paper fiber tube is deformed radially inwardly to close the first end of the tube. The closed first end of the tube is provided with a
3966080 End closure with resealable tab June 29, 1976
A dispensing container is disclosed which includes a fiber tube, a metal top plate having an opening, and a plastic end closure received within the opening. The plastic end closure includes a stationary base and a movable tab, and the tab is movable relative to the base between an initia

 
 
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