Patents Assigned to Calmar Inc.
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Patent number: 5108524Abstract: A hot melt gasket or liner is applied to a portion of a manually operated dispenser having a closure cap for coupling the dispenser to a container. The material may contain a predetermined amount of gaseous fluid to form a foamed hot melt material having a predetermined density. After the material cools to room temperature, it forms an anti-slip gasket seal which, upon coupling the cap to the container neck, the hot melt material is compressed for restricting movement of the dispenser about the central axis of the container and for preventing formation of a leak path between the container rim surface and the dispenser.Type: GrantFiled: June 13, 1990Date of Patent: April 28, 1992Assignee: Calmar Inc.Inventor: Mark A. Balderrama
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Patent number: 5105988Abstract: The finger actuated plunger of a dispenser has a protector cap pivotally mounted thereon and normally disposed for covering the discharge orifice. The cap is pivotally movable relative to the head upon application of finger force to the cap in the direction of plunger head reciprocation for uncovering the orifice. The cap is resiliently urged into its normal orifice-covering position upon removal of the applied finger force.Type: GrantFiled: June 15, 1990Date of Patent: April 21, 1992Assignee: Calmar Inc.Inventor: Michael G. Knickerbocker
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Patent number: 5094364Abstract: A removable overcap for a finger actuated pump dispenser surround the plunger head and is frictionally mounted in place on the pump body. An upper portion of the overcap side wall bears against an orifice cup located in the head, the cup containing a discharge orifice through which product is dispensed with the overcap removed. In conditions of non-use, the overcap covers the orifice to prevent drying of product. And, the overcap wipes the orifice clean of any accumulated product each time the overcap is removed and reapplied over the dispenser.Type: GrantFiled: June 15, 1990Date of Patent: March 10, 1992Assignee: Calmar Inc.Inventor: Michael G. Knickerbocker
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Patent number: 5088628Abstract: A child-resistant element in the form of an overcap surrounds a rectangular-shaped nozzle at the nozzle end of a manually actuated liquid dispenser, the nozzle being mounted for rotation between discharge open and closed positions. The overcap has an opening in its end wall and is mounted on the nozzle for manual axial movement between extended and retracted positions and is rotatable together with the nozzle. A flat surface of the overcap overlies the flat surface of the dispenser body in the retracted position for resisting rotation of the nozzle from its closed position. The overcap in its extended position permits rotation of the nozzle from its closed position to its open position.Type: GrantFiled: July 13, 1990Date of Patent: February 18, 1992Assignee: Calmar Inc.Inventor: Michael G. Knickerbocker
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Patent number: 5083683Abstract: A manually operated pump dispenser assembly includes a container having an angled neck at its top opening and a pump dispenser mounted on the neck. The container neck and sprayer have a central axis lying at an acute angle to the central axis of the container. The neck axis intersects the container wall, and a dip tube suspended from the sprayer lies along such axis and extends into an interior corner of the container. Such interior corner forms a well from which substantially the entirety of contents of the container is capable of dispensed upon actuation of the dispenser while holding the container with the neck axis substantially upright.Type: GrantFiled: November 26, 1990Date of Patent: January 28, 1992Assignee: Calmar Inc.Inventor: Michael G. Knickerbocker
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Patent number: 5072860Abstract: A closure cap snap-fitted to the lower end of a dispenser body is threaded to the neck of a container of fluid to be dispensed and resists back-off or loosening from the container by resisting rotation of the body about the central axis of the container. Cooperating slip-resistant surfaces are provided between an edge wall of a flexible skirt on the cap and a confronting flange on the body. Rotation of the body is further resisted by the provision of slip-resistant cooperating surfaces between opposing sides of a gasket seal and the respective lower and upper confronting surface of the dispenser body and the container neck.Type: GrantFiled: March 28, 1990Date of Patent: December 17, 1991Assignee: Calmar Inc.Inventors: Douglas B. Dobbs, Richard P. Grogan, Elio Hernandez
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Patent number: 5050779Abstract: A child-resistant nozzle assembly for a fluid dispenser has an external anti-rotative stop, and the dispenser body has a spring-biased tab abutting the stop in an off position of the nozzle at which the discharge passage is closed for locking the cap against rotation from such off position. The tab is flexed outwardly away from the stop to permit cap rotation for opening the spray discharge.Type: GrantFiled: July 13, 1990Date of Patent: September 24, 1991Assignee: Calmar Inc.Inventor: Michael G. Knickerbocker
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Patent number: 5040702Abstract: In a manually actuated sprayer having a nozzle rotatable from OFF to ON positions, a removable tear strip or a removable cap is provided for preventing rotation from the OFF position. Upon removal of the tear strip or cap, the nozzle is free to be rotated to its ON position.Type: GrantFiled: September 7, 1990Date of Patent: August 20, 1991Assignee: Calmar Inc.Inventors: Michael G. Knickerbocker, R. Kevin O'Neill, Douglas B. Dobbs
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Patent number: 5040701Abstract: In a manually actuated sprayer having a nozzle rotatable from OFF to ON positions, a removable tear strip or a removable cap is provided for preventing rotation from the OFF position. Upon removal of the tear strip or cap, the nozzle is free to be rotated to its ON position.Type: GrantFiled: September 7, 1990Date of Patent: August 20, 1991Assignee: Calmar Inc.Inventors: Michael G. Knickerbocker, R. Kevin O'Neill, Douglas B. Dobbs
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Patent number: 4984920Abstract: A closure assembly having an axially movable liquid dispenser comprises a hollow sleeve open at one end and mounted at its other end to a container of liquid to be dispensed, a liquid dispenser adjuster cap mounted without axial movement on such one end for rotation about a central axis of the sleeve, the dispenser comprising a stem mounted for axial movement inwardly and outwardly of the sleeve, a container seal mounted on the sleeve in engagement with the stem to prevent stem rotation upon axial movement, and the stem threadedly engaging an internally threaded tube fixedly mounted on the cap to effect axial movement upon cap rotation.Type: GrantFiled: July 19, 1989Date of Patent: January 15, 1991Assignee: Calmar, Inc.Inventor: R. Kevin O'Neill
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Patent number: 4984700Abstract: A tamper indicating closure assembly for a removable closure cap includes a removable overcap which completely surrounds the closure cap, the overcap having a transparent window, and a rupturable membrane intermediate the closure cap and the overcap being exposed through the window. One portion of the membrane is secured to the closure cap and another portion thereof is secured to the overcap so that relative movement between the overcap and the closure cap causes an unsecured portion of the membrane to tear.Type: GrantFiled: November 17, 1989Date of Patent: January 15, 1991Assignee: Calmar, Inc.Inventor: Michael G. Knickerbocker
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Patent number: 4971227Abstract: In a manually actuated sprayer having a nozzle rotatable from OFF to ON positions, a removable tear strip or a removable cap is provided for preventing rotation from the OFF position. Upon removal of the tear strip or cap, the nozzle is free to be rotated to its ON position.Type: GrantFiled: June 2, 1989Date of Patent: November 20, 1990Assignee: Calmar, Inc.Inventors: Michael G. Knickerbocker, R. Kevin O'Neill, Douglas B. Dobbs
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Patent number: 4946074Abstract: A tamper evident manually actuated pump sprayer includes a locking device which, according to one embodiment, extends between the trigger actuator and a confronting portion of the pump body and abuts against a trigger flange. In another embodiment, the device engages the underside of the trigger and snap fits into the sprayer nozzle cap located adjacent the trigger.Type: GrantFiled: June 15, 1989Date of Patent: August 7, 1990Assignee: Calmar, Inc.Inventor: Richard P. Grogan
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Patent number: 4936493Abstract: An elastomeric piston member of a product dispenser for semi-viscous liquids includes integrally molded priming valve structure as well as check valve structure. The priming valve comprises a number of generally flat, triangular segments arranged around the periphery of an outlet conduit leading from a pumping chamber, and during a pumping stroke of the piston member, outermost tips of each segment deflect laterally to allow discharge of products from the chamber. The triangular segments are molded in an open or spaced apart orientation to facilitate manufacture, and are biased by ribs of a discharge spout toward a closed, inclined orientation in contact with adjacent segments once the dispenser is assembled.Type: GrantFiled: November 23, 1987Date of Patent: June 26, 1990Assignee: Calmar, Inc.Inventors: Donald D. Foster, David G. Moore
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Patent number: 4890773Abstract: A two-chamber viscous product dispenser which includes a stationary, transversely offset, longitudinally extending discharge spout. A depressible discharge pump actuator is mounted on the container and has extended and retracted positions. A spring biased cover having a cap overlies the discharge opening of the spout and a lever at the opposite end is in movable engagement with the actuator. A rib on the spout serves as a fulcrum for the body of the cover such that when the actuator is retracted, the cap uncovers the discharge opening.Type: GrantFiled: May 25, 1989Date of Patent: January 2, 1990Assignee: Calmar, Inc.Inventor: Douglas F. Corsette
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Patent number: 4872596Abstract: A two-chamber viscous product dispenser has an internal valve element which includes integral inlet and outlet check valves for the valving of product into the pump chamber and from the pump chamber through a stationary spout. The outlet valve may be in the form of a flap valve having resilient webs for spring biasing the valve to its closed position. Otherwise, the outlet valve may be plate like capable of deforming when opening.Type: GrantFiled: March 15, 1988Date of Patent: October 10, 1989Assignee: Calmar Inc.Inventor: Douglas F. Corsette
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Patent number: 4793522Abstract: A viscous product dispenser has a positive discharge valve which is opened upon a lost motion arrangement between the spout and the pump piston at the initial actuation of the spout. The lost motion is effected by spaced apart stops on these two members permitting limited sliding movement relative to the pump piston for opening the discharge valve before the pumping movement of the piston. A piston return spring is external to the pump chamber for biasing the discharge valve to a closed position.A stop ring on the piston head may be provided for bearing engagement with an end wall of the container on which the container is mounted for isolating the load on the piston.Type: GrantFiled: June 15, 1987Date of Patent: December 27, 1988Assignee: Calmar, Inc.Inventor: Douglas F. Corsette
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Patent number: 4779803Abstract: A manually actuated liquid sprayer has an element mounted on its nozzle for movement parallel to the axis of the discharge orifice between retracted and extended positions relative to the front wall of the nozzle, the element having a thickness not greater than the lateral extent thereof, lying against the front wall in the retracted position and being spaced from such wall in the extended position. The element has an open port coaxial with the discharge orifice and of a size greater than that of the orifice, the element comprising a mitigating element for mitigating the divergent spray issuing from the orifice.Type: GrantFiled: August 11, 1986Date of Patent: October 25, 1988Assignee: Calmar, Inc.Inventor: Douglas F. Corsette
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Patent number: 4747523Abstract: A manually actuated dispensing pump having a pump body extending transversely above a closure cap adapted for mounting the body at the upper end of a container, has an outwardly open pump cylinder for the reception of a reciprocable piston having spaced piston seals. To facilitate pump priming, the inboard seal is positioned relative to the inlet port so that the inboard seal overlies the inlet port at a predetermined position during the inward pressure stroke of the piston to permit flow of entrapped air from the pump chamber outwardly of the pump cylinder via the annular chamber defined between the piston seals.Type: GrantFiled: June 19, 1987Date of Patent: May 31, 1988Assignee: Calmar, Inc.Inventor: Douglas B. Dobbs
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Patent number: 4746035Abstract: A liquid dispenser has a closure cap for mounting the dispenser on a liquid container, and a non-removable tamperproof overcap secured to the closure cap. The overcap has a line of weakening to facilitate overcap separation to gain access to the dispenser actuator. And, the closure cap has a tamperproof ring.Type: GrantFiled: December 8, 1986Date of Patent: May 24, 1988Assignee: Calmar, Inc.Inventors: Walter F. Anderson, Richard P. Grogan