Pressure Relief Means Patents (Class 220/89.1)
  • Publication number: 20100187230
    Abstract: A one-way valve and a flexible package including the valve are disclosed. The valve basically comprises a base member, a flexible septum and a stake. The base member is mounted on a wall of the package and includes a valve seat and at least one inlet port. The septum is formed of a resilient material and is connected to the base member by the stake, with a first portion of the septum contiguous with the stake fixed in position with respect to the base member and a second portion of the septum engaging the valve seat and covering and sealing the at least one inlet port. The septum is arranged to flex off of the valve seat to unseal the at least one inlet port when the pressure of gas at the at least one inlet port reaches a threshold.
    Type: Application
    Filed: January 28, 2009
    Publication date: July 29, 2010
    Applicant: FRES-CO SYSTEM USA, INC.
    Inventors: Jeffrey Scott Beer, Barry Pritchard, John S. Thomas
  • Publication number: 20100147848
    Abstract: A container can feature one or more venting regions that can be sealed when the container is in a first operational state and that can provide fluid communication between an interior volume of the container and an environment external to the container when the container is in a second operational state.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicant: GENPAK LLC
    Inventors: Edward W. Rider, Jr., Brian S. Allers, Michael V. Warner
  • Publication number: 20100065565
    Abstract: A breather for a fluid storage tank, a storage tank incorporating same, and a method of releasing pressure in a fluid storage tank is provided. The present invention permits graduated release of pressure within the storage tank by allowing for varied flow rates of air out of the storage tank. In one embodiment, a valve assembly is provided that includes a valve member that has a graduated release feature that adjusts the size of a gap though the valve assembly formed between the valve member and a corresponding valve seat.
    Type: Application
    Filed: September 18, 2009
    Publication date: March 18, 2010
    Applicant: Helgesen Design Services, LLC
    Inventors: Bruce E. Knuth, Robert E. Broman
  • Publication number: 20100051134
    Abstract: This storage facility (I) comprises at least one light fuel tank (C1, C2, C3) and at least one heavy fuel tank (C4), each one of the tanks being equipped with a vent pipe (12, 22, 32, 42). All of the vent pipes open into the same collector (14) intended to communicate these pipes with one another and to be connected to a tank (10) of a delivery vehicle. Furthermore, whether respectively associated with a light fuel tank or a heavy fuel tank, the vent pipes are provided with means (13, 23, 33, 43) for condensing the vent gases flowing through these pipes, the condensates from these condensation means being discharged into the or at least one of the light fuel tanks. It is thus possible to minimize the discharge of light fuel vapours from the facility, whether into the atmosphere or into the tank of the delivery vehicle.
    Type: Application
    Filed: November 21, 2007
    Publication date: March 4, 2010
    Applicant: SERGE ALBERT PIERRE SELLES
    Inventor: Serge Albert Pierre Selles
  • Publication number: 20100044374
    Abstract: With a device (1) for equalizing pressure surges in cases of possible dust or gas explosions in closed systems, such as silos, pipelines or the like, comprising a hinged cover (3) which can be pivoted on an outlet connection or a closing edge (2) and has a smooth outer surface (12) and comprising a deflecting plate (8) on the outlet connection or on the closing edge (2) for the cover (3) to strike against in the event of an explosion, it is intended to achieve not only cost-effective production but also in particular a significant weight saving of the hinged cover, quick changing of the cover in the case of damage, or quick fitting of the cover in the first instance, and an improvement in the protective effect of the system.
    Type: Application
    Filed: November 27, 2007
    Publication date: February 25, 2010
    Applicant: Thorwesten Vent GmbH
    Inventor: Albert Thorwesten
  • Patent number: 7665602
    Abstract: Ready made dish disposable packaging comprising a container (1) which defines a first compartment (2) and at least one second compartment (3). The container (1) can have a bowl form and is closed in its upper part by a superior sealing film (21) which is also an integral and substantial part of a vent device of inner vapors. The second compartment (3) is, on the contrary, closed by means of a sliding sealing system comprising a plug (14), In the closure position of the plug (14), it is impossible that the component contained in the second compartment (3) enters in contact with the component contained in the first compartment (2), while in the opening position of the plug (14), the component contained in the second compartment (3) can spill out through the lateral openings of the plug (14).
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: February 23, 2010
    Inventors: Antonio Palamara, Mariantonia Cotronei
  • Publication number: 20100006570
    Abstract: The invention relates to a valve, a container with the valve and the use of the valve. The valve, which is useful in a container to prevent an excessive pressure difference between the outside of the container and the inside of the container, comprises two blocking elements (1, 2; 110, 114), one of which (1; 110) allows fluid to enter the container when the external pressure exceeds the internal pressure by a predetermined magnitude, and the other of which (2; 114) allows fluid to enter the container when the internal pressure exceeds the external pressure by a predetermined magnitude.
    Type: Application
    Filed: April 11, 2007
    Publication date: January 14, 2010
    Inventor: Ignacio Borras Llompart
  • Publication number: 20100005075
    Abstract: The present invention relates to: an automatically adjusting seat, methods of playing video games by inputting a code that controls at least one aspect of the game, method of packaging cooking ingredients, methods and devices for providing gate and other travel information to passengers, a lid for a container and methods of reducing condensation, an email system for reducing size of user accounts, a toy figure or seat with a magnet, a receptacle with air inlets to prevent vacuum.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Inventors: John Mark Lucas, Rachel Ann Donata Caputo, James C. Lang, Norma A. Lang, Thomas John Knobloch
  • Publication number: 20090317689
    Abstract: A liquid supply container (1) provided in a fuel cell system includes a liquid chamber (10) that stores liquid therein, and a liquid supply port (30) provided in the liquid chamber (10) so as to supply the liquid stored therein to a liquid acceptor, and the liquid chamber (10) includes a groove (11) having a V-shape cross-section and formed on an upper surface (13C) of the liquid chamber (10), which serves to allow communication between the inside and the outside of the liquid chamber (10) in the case the internal pressure increases over a predetermined level.
    Type: Application
    Filed: July 9, 2007
    Publication date: December 24, 2009
    Applicant: NEC Corporation
    Inventors: Hidekazu Kimura, Suguru Watanabe, Toru Takahashi, Nobuo Katsuura, Minoru Murata, Kiyoshi Isobe
  • Publication number: 20090308877
    Abstract: A relief vent assembly for a fuel storage tank includes a vent body defining a chamber to provide a substantially axially smooth and unencumbered path of flow for pressurized fluid to vent out from the tank. Such a path of flow allows the pressurized fluid to remain laminar throughout approximately the entire path through the chamber, maintaining a high flow rate. The vent assembly includes a crossbar that supports the rod of a lid that covers a distal margin of the vent body. The crossbar is disposed substantially at the distal margin of the vent body to prevent any premature turbulent flow of the pressurized fluid, which would slow the flow rate. A widening tapered bore of the chamber increases the flow area and serves to offset the area occupied by the crossbar.
    Type: Application
    Filed: June 17, 2008
    Publication date: December 17, 2009
    Applicant: CLAY AND BAILEY MANUFACTURING COMPANY
    Inventors: Donald R. David, Ronald W. Borst, George A. Borst, Gabriel R. Rodriguez
  • Publication number: 20090266815
    Abstract: The invention relates to a pressure compensation device for compensating pressure between an inner chamber of a housing, in particular an electric motor, gearbox, container or the like and an outer side. The device includes a pressure compensation membrane mounted on an annular end face of a cylindrical structure that extends toward the outer side. The cylindrical structure is provided with a ventilation channel that extends therethrough. The cylindrical structure extends towards the outer side in order to form a projection from the wall of the housing, which projection is delimited by the end face on which the membrane is applied in a curved, dome-shaped form. A protective cover extends towards the outer side at a spaced apart distance in relation to the membrane over the cylindrical structure.
    Type: Application
    Filed: July 31, 2007
    Publication date: October 29, 2009
    Inventors: Detlef Lauk, Norbert Wegner, Gerald Maier, Mario Huesges, Andreas Mueller, Regina Neigel
  • Publication number: 20090230012
    Abstract: A shipping container having side walls, a bottom and a top defining an internal volume. The top is selectively displaceable for gaining access to the internal volume and for sealing the internal volume of the container. A valve drawing a vacuum on the internal volume from outside of the container is provided. The side walls are capable of contracting and expanding as a result of the pressure within the internal volume.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 17, 2009
    Inventors: Anthony Choy, Jun Arava, Dennis Chek Kong Chan
  • Publication number: 20090169693
    Abstract: An interior-mountable pressure relief valve for packages containing food products such as coffee that normally tend to out-gas. The relief valve of the present invention can be made by thermoforming a pocket of a barrier type of semi-rigid film that has a heat seal membrane on one side. An indent can be made in the bottom of this pocket to receive a filter medium that covers an aperture in the bottom of the pocket. The filter medium can be heat-staked to the pocket. A pressure relief valve known in the art containing a base layer, a pair of rails and a flexible membrane can be placed in the pocket. This valve and pocket assembly can be can be treated with a mesh membrane that is heat sealable to the seal side to prevent disassembly or contamination. The product can then be wound on a level wound spool for shipping to an end user. The end user can take the carrier tape and dispense it into a single piece dose and then heat seal the carrier to the inside wall of the package.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 2, 2009
    Inventor: Karl K. Hoffman
  • Patent number: 7496995
    Abstract: A bag device for storing a body includes upper and lower impervious flexible panel members each having opposed side edges and opposed ends. Respectively side edges of the members are formed integrally therealong, and the members are movable to form a cavity for storing the body. The end is closed and the end is normally open so that can be inserted into the cavity. The members are laminates of thermoplastic sheets and the open end can be sealed by application of heat to the thermoplastic sheets at the open end. Pressure release valves are fixed to the member so that excess pressure in the cavity due to body decomposition is released to the atmosphere.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: March 3, 2009
    Inventors: Adamo Rosario, Michael Edmond Petrascu
  • Publication number: 20090026199
    Abstract: A rigid container package, such as made of tin, metal, etc., having an interior for holding particulate material, such as food stuffs (like coffee beans), under vacuum, and which includes a mouth to be opened to provide access to the contents of the package. The package is preferably formed from a rigid material in the form of a container, such as a tin box, and has affixed thereon a one-way pressure-equalizing valve. The valve preferably includes a displaceable rubber disk located on a valve seat and is arranged to operate such that any gasses within the package are allowed to vent to the exterior of the package, by passing through the interface between the disk and valve seat, while the ambient atmosphere is substantially precluded from entering into the interior of the package. The disk then engages the valve seat to isolate the interior of the package from the exterior. A layer of silicone oil or similar material is preferably provided on the disk to facilitate operation of the valve.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 29, 2009
    Inventor: Bret de Jeor
  • Publication number: 20080173644
    Abstract: A hermetically sealed compressor including a pressure release device. In one exemplary embodiment, the pressure release device includes a flange portion and a rupture portion. The flange portion is positioned against and secured to the inner surface of the housing of a hermetically sealed compressor. In this embodiment, the rupture portion extends at least partially within a vent aperture extending through the compressor housing. When the interior pressure of the housing exceeds a predetermined limit, the rupture portion of the pressure release device opens allowing the fluid within the compressor housing to escape. In another exemplary embodiment, the pressure release device further includes a connecting portion positioned between the flange portion and the rupture portion. In one exemplary embodiment, the connecting portion forms an S-curve.
    Type: Application
    Filed: January 22, 2007
    Publication date: July 24, 2008
    Applicant: TECUMSEH PRODUCTS COMPANY
    Inventor: Phillip A. Tomell
  • Patent number: 7294354
    Abstract: A gas release container comprises a container body having a bottom wall and a side wall extending upwardly from the bottom wall and terminating at an upper edge, a removable closure affixed to the upper edge in a substantially gas-tight manner, and a gas release valve in a wall of the container body and operable to release gas from the container when the pressure differential between the interior and the exterior of the container is sufficient to open the valve. The removable closure can include a flexible gas-barrier membrane sealed to the upper edge of the container body. A lower surface of the membrane and the upper edge of the side wall comprise heat-sealable polymer materials, and the membrane is heat-sealed to the upper edge, preferably by induction sealing. The closure can include an overcap.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: November 13, 2007
    Assignee: Sonoco Development, Inc.
    Inventors: James Gunter, Floyd Needham, James Scannella
  • Patent number: 7243683
    Abstract: An overpressure valve for a packaging container is disposed on the inside of the packaging material comprising the packaging container. The overpressure valve comprises a base plate, a diaphragm, and a connecting element. The overpressure valve is relatively simple in construction and can be produced economically.
    Type: Grant
    Filed: October 13, 2003
    Date of Patent: July 17, 2007
    Assignee: Robert Bosch GmbH
    Inventors: Herbert Stotkiewitz, Thomas Fischer
  • Patent number: 7234278
    Abstract: Unitary one-piece frameless overpressure vent panel assembly (10) includes a rigid, generally planar primary support member having a central relief opening (26), a rigid, generally planar secondary support member (44) provided with a central relief aperture (46), and a frangible vent panel (30) between the support members in full closing relationship to the relief opening and the aperture. A sealant element (48) may be provided between the vent panel and at least one of the support members in circumscribing relationship to the relief opening or aperture. At least one line of weakness (34) may be provided in the vent panel. A flexible gasket (58) secured to the secondary support member assures a fluid tight seal between the vent panel assembly and the structure defining a protected zone. Alternatively, a knife blade or the like may be provided adjacent the vent panel to effect severing thereof under a predetermined overpressure in lieu of a line of weakness in the panel.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: June 26, 2007
    Assignee: Fike Corporation
    Inventors: Tom Eijkelenberg, Guido Dom, Roger Bours
  • Patent number: 7178555
    Abstract: A pressure relief valve that is mountable to protect packaging so as to vent pressurized gases contained within the packaging. The present invention also pertains to a pressure relief valve which includes at least one passageway defined by at least one inner rail and which is in communication with an aperture.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: February 20, 2007
    Assignee: Plitek, LLC
    Inventors: Roger K. Engel, Dave Carroll
  • Patent number: 7095606
    Abstract: The aim of the invention is to prevent an unwanted conduction of a flow of gas inside a channel that connects an inner space of an enclosed switchgear (1) to another space. To this end, the channel is closed by means of a closing mechanism according to an increase in pressure in the inner space.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: August 22, 2006
    Assignee: Siemens Aktiengesellschaft
    Inventors: Gildo Mahn, Achim Milbich, Brunhilde Wenge
  • Patent number: 7077296
    Abstract: A dispensing valve is provided for dispensing fluid products. The valve includes a marginal portion, a flexible valve head with a discharge orifice therein, and a flexible connector sleeve having one end connected with the marginal portion and the opposite end connected with the valve head adjacent a marginal edge thereof.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: July 18, 2006
    Assignee: AptarGroup, Inc.
    Inventors: Paul E. Brown, Timothy R. Socier
  • Patent number: 7077282
    Abstract: A container (1), especially a fluidized container, including a housing upper part (2) and a housing lower part (3) is provided. The housing parts are detachably interlinked in an annular separation zone which is provided with a sealing element. The container in accordance with the invention provides that (i) the two housing parts are interlinked by coupling elements (8, 9) that engage with one another in a positive manner and that allow a limited movement in the direction of separation; (ii) the container parts are retained in a sealing position with a predetermined separation point (7) by means of a retainer (5), in which position an elastic sealing element (10) sealingly rests against the two coupling elements; and (iii) the coupling elements acts as a limiting stop when a maximum container pressure is exceeded, the predetermined separation point is activated and the housing parts are displaced towards the direction of separation.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 18, 2006
    Assignee: Glatt GmbH
    Inventors: Matthias Tondar, Edgar Rehm, Thomas Boecherer
  • Patent number: 7025807
    Abstract: The invention relates to a process for absorbing vapors and gasses by controlling overpressure in storage tanks during filling, transport and storing of fluids in liquid form. The process includes leading of gas down to the bottom of the tank, where a major part of the gas is absorbed in the tank's own liquid in an absorption device or optionally the liquid is supplied from an external source.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: April 11, 2006
    Assignee: Advanced Production and Loading AS
    Inventor: Evert Grodal
  • Patent number: 6622880
    Abstract: A foam insert is adapted for use in combination with a pressure vessel. The cylinder is made of an open cell foam and is sized to fit within the pressure vessel. The cylinder has a top portion and a bottom portion that correspond to a top and bottom of the pressure vessel. The top portion of the foam cylinder has a concave recess.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: September 23, 2003
    Assignee: Crest Foam Industries
    Inventor: Anthony A. Di Stasio
  • Patent number: 6571972
    Abstract: A lid is shown for use with a portable tank or intermediate bulk container, or the like, having a threaded collar defining a port opening. The lid includes a generally circular top wall and a generally cylindrical sidewall connected to the top wall and having an inner threaded surface for threading to the threaded collar to close the port opening, in use. First and second circular openings through the top wall define first and second bung openings. First and second cylindrical collars extend downwardly from the top wall surrounding the respective first and second openings. Each cylindrical collar has a threaded inner wall for receiving a removable closure to selectively close the first and second bung openings.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: June 3, 2003
    Assignee: Hoover Materials Handling Group, Inc.
    Inventors: Gary L. Bouc, Dwight Nichols, Michael Faltys
  • Patent number: 6457613
    Abstract: A container equipped with a rupturable retaining seal which, when broken, forms a spout from which the contents of the container may be poured. The rupturable seal is secured along its peripheral edge to the top opening of the container and contains a pinpoint hole at its epicenter. Arranged serially about the pinpoint hole in spoke-like fashion, are an impressed pattern of separable incisions which, when pressure is applied, separate and form an opening from which the contents of the container can be poured.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: October 1, 2002
    Inventor: Eugene Ennalls Patterson
  • Patent number: 6431383
    Abstract: An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the concave-convex disc dome region. One or more deformations may be formed at or near the apex of the disc dome region for weakening the disc to the point that incidental damage to the disc will not weaken the disc any further, thereby ensuring that the disc will reverse at a certain pressure, and no lower. The disc may also formed with one or more irregular transition regions at the base of the disc and a partial circular groove in the transition region. The irregular transition region of the disc cooperates with a shear enhancing means such as a protrusion or notch formed in a support ring or disc holder disposed downstream of the disc to sever the disc dome from the annular flat flange region along the groove in the transition region.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: August 13, 2002
    Assignee: Continental Disc Corporation
    Inventors: Robert M. Mozley, James M. Shivers
  • Patent number: 6427874
    Abstract: A dispensing package is provided for fluid products such as liquid soaps, shampoos and conditioners, household detergents, cleaners, polishes, moisturizing creams, and the like, and includes a container with a self-sealing dispensing valve mounted therein. The valve includes a marginal flange, a valve head with a discharge orifice therein, and a connector sleeve having one end connected with the valve flange and the opposite end connected with the valve head adjacent a marginal edge thereof. The connector sleeve has a resiliently flexible construction, such that when pressure within the container raises above a predetermined amount, the valve head shifts outwardly in a manner which causes the connector sleeve to double over and extend rolling.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: August 6, 2002
    Assignee: Seaquist Closures Foreign, Inc.
    Inventors: Paul E. Brown, Timothy R. Socier
  • Patent number: 6378717
    Abstract: A closure cap which can screw onto the fixed neck of a cooling system expansion tank. The closure cap is provided with a screw cap and a threaded section in which a combination pressure-vacuum valve is mounted concentrically and in such a way that it can rotate in relation to the screw cap. The valve is provided with a sealing element which comes into tight contact with the fixed neck when the closure is screwed. To endure that the closure cap can be unscrewed only when the excess heat in the cooling system has been completely dissipated, it is proposed that the closure cap when screwed onto the fixed neck would be prevented from unscrewing means of a temperature-dependent control element.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: April 30, 2002
    Inventor: Heinrich Reutter
  • Patent number: 6367203
    Abstract: A rupture panel for relieving an excess pressure differential between the interior and exterior of a vessel having a wall and an opening through the wall includes a first frame section connected to the vessel wall at the opening and a pair of pressure relief panels mounted to the frame, each panel having a stitched portion, the stitched portions providing opening capability on both vacuum and burst pressure control (or on either vacuum or burst pressure control). A pair of sealing members that sandwich the pair of pressure relief panels there between are provided, one of the sealing members engaging one of the pressure relief panels, the other sealing member engaging the other pressure relief panel. Each of the sealing members has a sealing surface that covers a stitched portion of an adjacent relief panel.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: April 9, 2002
    Assignee: Oklahoma Safety Equipment Co., Inc.
    Inventors: James R. Graham, Tom P. Miller
  • Patent number: 6349842
    Abstract: The present invention relates to a rotatable cover which can be screwed or plugged on and is to be fastened on a stationary connection of a motor vehicle radiator or compensator reservoir of cooling and heating systems. The cover has a screw or plug cap and/or swivel cap and a rotatable engagement part in which a valve in the form of a combined overpressure/underpressure unit is arranged concentrically. The valve has a sealing member which produces a sealing connection with the stationary connection when the cover is applied. When the cover is positioned on the stationary connection, it is possible to prevent by means of a temperature-related control member removal, such as unscrewing or twisting of the cover. The temperature-related control member or a coupling part actuated by means of the temperature-related control member can be moved substantially radially between a coupling position and a release position.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: February 26, 2002
    Inventor: Heinrich Reutter
  • Patent number: 6308735
    Abstract: An apparatus is provided that includes a valve assembly and a retainer that couples the valve assembly in a fuel tank. The valve assembly includes a housing having a body portion, a flange coupled to the body portion and retainer blocks extending from the body portion spaced-apart from the flange. A valve is positioned to lie in the housing. The retainer is adapted to be coupled to an exterior surface of the tank. The retainer includes a body portion that defines a passageway sized to receive the body portion of the housing and a ring coupled to the body portion of the retainer and formed to extend into the passageway. The flange and retainer blocks cooperate with the body portion of the retainer and ring to couple the valve assembly and retainer together.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: October 30, 2001
    Assignee: Stant Manufacturing Inc.
    Inventor: Dean C. Foltz
  • Patent number: 6308852
    Abstract: A fuel cap is set on a tank opening and includes a casing main body, a cover, and a torque mechanism. The torque mechanism includes a cover engagement projection disposed on the cover, a torque plate having a plate engagement element, and a spring. When the cover is rotated in a closing direction of the tank opening, the cover engagement projection is released from the plate engagement element under a certain rotational torque to provide the user with the feeling of a click. When the cover is rotated in an opening direction of the tank opening, on the other hand, the cover engagement projection is released from the plate engagement element under a smaller rotational torque. This arrangement enables the spring to accumulate the pressing force and release the accumulated pressing force. The release of the accumulated pressing force causes the positional relationship between the cover and the casing main body to an initial state.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: October 30, 2001
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hiroyuki Hagano, Masayuki Nakagawa
  • Patent number: 6279783
    Abstract: A dispensing package is provided for fluid products such as liquid soaps, shampoos and conditioners, household detergents, cleaners, polishes, moisturizing creams, and the like, and includes a container with a self-sealing dispensing valve mounted therein. The valve includes a marginal flange, a valve head with a discharge orifice therein, and a connector sleeve having one end connected with the valve flange and the opposite end connected with the valve head adjacent a marginal edge thereof. The connector sleeve has a resiliently flexible construction, such that when pressure within the container raises above a predetermined amount, the valve head shifts outwardly in a manner which causes the connector sleeve to double over and extend rollingly.
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: August 28, 2001
    Assignee: Seaquist Closures Foreign, Inc.
    Inventors: Paul E. Brown, Timothy R. Socier
  • Patent number: 6241113
    Abstract: An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the concave-convex disc dome region. One or more deformations may be formed at or near the apex of the disc dome region for weakening the disc to the point that incidental damage to the disc will not weaken the disc any further, thereby ensuring that the disc will reverse at a certain pressure, and no lower. The disc may also formed with one or more irregular transition regions at the base of the disc and a partial circular groove in the transition region. The irregular transition region of the disc cooperates with a shear enhancing means such as a protrusion or notch formed in a support ring or disc holder disposed downstream of the disc to sever the disc dome from the annular flat flange region along the groove in the transition region.
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: June 5, 2001
    Assignee: Continental Disc Corporation
    Inventors: Robert M. Mozley, James M. Shivers
  • Patent number: 6230940
    Abstract: A dispensing system is provided for being sealingly disposed with respect to, and dispensing a product from, a discharge opening of a container wherein an annular mounting flange extends radially inwardly adjacent the opening. The valve is molded from a material to define a flexible, resilient structure having a head portion and a surrounding marginal portion. The head portion has a normally closed dispensing orifice which opens when the pressure in the interior of the container exceeds the pressure on the exterior of the valve by a predetermined amount. The marginal portion is connected with the head portion and has a generally annular wall defining a generally annular groove which is open radially outwardly for receiving the mounting flange. The annular wall is sufficiently flexible to elastically deform as the wall is forced against the mounting flange to accommodate sealing of the mounting flange in the groove.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: May 15, 2001
    Assignee: Seaquist Closures Foreign, Inc.
    Inventors: James P. Manning, John M. Hess, III, Timothy R. Socier
  • Patent number: 6189567
    Abstract: An apparatus for mounting a vent valve assembly in an aperture of a fuel tank comprising a valve assembly including a housing having a body portion and a flange coupled to the body portion and with a retainer block extending from the body portion spaced-apart from the flange and with a valve positioned to lie in the housing. A retainer is adapted to be coupled to an exterior surface of the fuel tank including a body portion defining a passageway being sized to receive the body portion of the housing therein and a seat formed integrally with the body portion of the retainer and extending into the passageway, so that the flange and the retainer block can cooperate with the seat to couple the valve assembly and retainer together.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: February 20, 2001
    Assignee: Stant Manufacturing Inc.
    Inventor: Dean C. Foltz