• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:NL2011835A
    申请号:NL2011835
    申请日:2013-11-25
    公开日:2014-06-02
    发明作者:Mark Brosius
    申请人:Specialized Bicycle Components；
    IPC主号:
    专利说明:

    WATER BOTTLE WITH POPPET VALVE
    BACKGROUND
    [0001] The present invention relates generally to water bottles commonly used by cyclists for rehydration, and more specifically to poppet-style valves for such water bottles.
    [0002] Water bottles are commonly used by athletes and others to hold and dispense liquids, such as water and sports drinks. Water bottles commonly include a body, a cap, and a valve that is movable relative to the cap between open and closed positions. In the open position, liquid can be dispensed from the bottle, and in the closed position, liquid is inhibited from being dispensed from the bottle.
    [0003] Water bottles valves are frequently in the form of poppet valves including a poppet that can be slid between open and closed positions. Such poppets usually include an engagement portion that facilitates engagement by the user to facilitate opening the valve. In addition to providing a valve function from sliding the poppet between the open and closed positions, some poppets include an additional valve that inhibits the leakage of liquid when the poppet is open. For example, the poppet can include a flexible, self-closing valve, such as the valve disclosed in U.S Patent 7,784,652, which is hereby incorporated by reference in its entirety. These self-closing valves are commonly secured over an opening in a cap to inhibit flow of liquid from the water bottle.
    SUMMARY
    [0004] A liquid-dispensing container comprising a housing (e.g., a body and a cap) adapted to hold a liquid and a poppet mounted to the housing and movable along an axis between an open position and a closed position. The poppet comprises a base portion comprising a relatively rigid material and an elastomeric portion comprising an elastomeric material having a tensile elastic modulus less than 80% (e.g., less than 50%, 25%, 10%, and most preferably less than 1%) of the elastic modulus of the rigid material. The base portion preferably comprises a tubular structure having an exterior surface that is at least partially covered by the elastomeric material and an interior surface that is at least partially exposed (e.g., at least 50% exposed and preferably at least 75% exposed). Preferably, the base portion has a length that is at least 50% (at least 70%, 85%, and most preferably about 95%) of the length of the poppet.
    [0005] In one embodiment, the elastomeric portion includes an outer section engaged with an outer surface of the base portion and an inner section integrally formed with the outer section and forming a self-closing valve. In one construction, the self-closing valve includes a cylindrical section having a tapered wall thickness. Preferably, the outer section includes a circumferential seal and a circumferential clearance adjacent the circumferential seal. For example, the circumferential clearance can comprise a groove extending at least 50% through a thickness of the outer section. The circumferential seal can be positioned adjacent a lower end of the base portion, and the outer section can further include a second circumferential seal positioned adjacent a mid portion of the base portion. The outer section can further include an upper protrusion that engages an upper edge of the housing when the poppet is in the open position. The outer section can further include a retention cleat having a retention surface at an acute angle relative to the axis.
    [0006] Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
    BRIEF DESCRIPTION OF THE DRAWINGS
    [0007] Fig. lisa perspective view of a water bottle embodying the present invention and including a body, a cap, and a poppet.
    [0008] Fig. 2 is quarter section view of the cap and poppet of the water bottle of Fig. 1.
    [0009] Fig. 3 is an enlarged view of the poppet of Fig. 1, including upper and lower seals and a retention cleat.
    [0010] Fig. 4 is a longitudinal section view of the poppet of Fig. 3.
    [0011] Fig. 5 is an enlarged section view of the upper seal of the poppet of Fig. 3.
    [0012] Fig. 6 is an enlarged section view of the lower seal of the poppet of Fig. 3..
    [0013] Fig. 7 is an enlarged section view of the poppet and cap of Fig. 2 in the closed position.
    [0014] Fig. 8 is the view of Fig. 7 with the poppet in the open position.
    [0015] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways.
    DETAILED DESCRIPTION
    [0016] Fig. 1 illustrates a liquid-dispensing container 10 including a housing 12 and a poppet 14. The illustrated housing 12 is formed from a body 15 and a cap 16 threaded onto the body 15. The cap 16 includes a central opening surrounded by a valve seat guide 20 that receives the poppet 14, as is generally known in the art. The valve seat guide 20 includes a series of four elongated openings 22 that cooperate with features on the poppet 14 to guide linear movement of the poppet 14 relative to the cap 16. The cap further includes an upper circumferential ridge 23 that cooperates with features on the poppet, as described below in more detail.
    [0017] As shown in Figs. 4, the poppet 14 includes a central axis 26. The poppet 14 is movable relative to the guide 20 along the axis 26 between a closed position (Fig. 7) and an open position (Fig. 8). The poppet 14 includes a base portion 28 and an elastomeric portion 30 co-molded over the base portion 28. The base portion 28 is a tubular structure made from a relatively stiff plastic material having a tensile modulus of elasticity of about 1,450,000 psi. The base portion 28 includes an exterior surface 32 and an interior surface 34 that defines an interior passage 36 that extends all the way through the poppet 14. The base portion 28 has a length that extends almost the entire length of the poppet 14. In the illustrated embodiment, the base portion 28 has a length that is about 95 percent of the entire length of the poppet 14.
    [0018] The elastomeric portion 30 is co-molded with the base portion 28 using a material having a lower hardness and increased elasticity compared to the base portion 28. In the illustrated embodiment, the elastomeric portion 30 is made from in elastomeric material having a durometer of about Shore A 50 and a tensile modulus of elasticity of about 800 psi. The elastomeric portion 30 includes an inner section 38 and an outer section 40 integrally formed with the inner section 38. The elastomeric portion 30 contains openings 72, which expose portions of the base portion 28 that can be contacted in a direction parallel to the axis 26 to hold the base portion in the desired location within the tool while the elastomeric portion is being overmolded. These openings 72 are shielded from direct view parallel to the axis 26 by an overhanging feature 73.
    [0019] The inner section 38 is engaged with and covers a relatively small section of the interior surface 34 of the upper end of the base portion 28. The result is that about 85 percent of the length of the interior surface 34 of the base portion 28 is exposed.
    This represents about 80 percent of the entire length of the poppet 14. The inner section 38 includes an annular portion 42 that is engaged with and is secured to (co-molded with) the interior surface 34 of the base portion 28. The inner section 38 further includes a self-closing valve 44 supported by the annular portion 42 and substantially blocking the interior passage 36 through the base portion 28. The self-closing valve 44 includes slits 46 that defined four flaps 48 that will open when sufficient pressure is applied to the valve 44. The self-closing valve also includes a cylindrical section with a tapered wall 71 to cause the valve to close in a consistent, progressive manner.
    [0020] The outer section 40 completely covers the exterior surface 32 of the illustrated base portion 28 such that no part of the exterior surface 32 of the illustrated base portion 28 is exposed. The outer section 40 includes four retention cleats 50 that are dimensioned to slide within the elongated openings 22 of the valve seat guide 20 to guide the poppet 14 between the open and closed positions. Each retention cleat 50 includes a retention surface 52 that is positioned at an acute angle a of about 45 degrees relative to the longitudinal axis 26 of the poppet 14. Each retention cleat 50 will engage an upper edge 54 of the portion of the valve seat guide 20 that defines the corresponding elongated opening 22.
    [0021] The outer section 40 further includes upper protrusions 56 and lower protrusions 58 that are adapted to act as detents to provide the user with a distinct tactile sensation when opening or closing the poppet, respectively. More specifically, referring to Fig. 8, when the poppet 14 is in the open position, the upper protrusion 56 is above the circumferential ridge 23 of the cap 16. This provides the user with a snapping sensation when the poppet is opened and inhibits movement of the poppet toward the closed position. Similarly, referring to Fig. 7, when the poppet 14 is in the closed position, the lower protrusion 58 is below the upper edge 54 of the portion of the valve seat guide 20 that defines the corresponding elongated opening 22. This provides the user with a snapping sensation when the poppet is closed and inhibits movement of the poppet toward the open position.
    [0022] The outer section 40 further includes an upper circumferential seal 62 positioned adjacent a mid-portion of the poppet 14, and a lower circumferential seal 64 positioned adjacent a lower end of the poppet 14. The upper and lower circumferential seals 62,64 each include a convex surface that will slide and seal against an inner surface 68 of the sidewall of the valve seat guide 20, as a best shown in Figs. 7 and 8. The upper and lower circumferential seals 62,64 each further include a circumferential clearance adjacent the seal in order to facilitate deformation of the seal. In the illustrated embodiment, the circumferential clearance comprises a pair of circumferential grooves 70 on opposing sides of each seal 62,64. The grooves 70 extend into the outer section 40 a distance that is at least half the thickness of the outer section 40 at the location of the grooves. The grooves 70 facilitate deformation of the corresponding seal and further provide a location for holding lubricant for the seal.
    [0023] Various features and advantages of the invention are set forth in the following claims.
    权利要求:
    Claims (20)
    [1]
    A liquid dispensing container comprising: - a housing adapted to hold a liquid; and - a valve valve mounted on the housing and movable along an axis between an open position and a closed position, the valve valve comprising: - a base part comprising a relatively rigid material; and - an elastomeric part comprising an elastomeric material with a stretch elasticity modulus that is less than 80% of the elastic modulus of the rigid material.
    [2]
    The liquid delivery container of claim 1, wherein the base member comprises a tubular structure with an outer surface that is at least partially covered by the elastomeric material and an inner surface that is at least partially exposed.
    [3]
    The liquid delivery container of claim 1 or 2, wherein the elastomeric material has a stretch elasticity modulus that is less than 25% of the elasticity modulus of the rigid material.
    [4]
    Liquid dispensing container according to one or more of claims 1 to 3, wherein the elastomeric part comprises openings which expose surfaces of the base part with which contact can be made in a direction parallel to the axis.
    [5]
    Liquid dispensing container according to one or more of claims 1 to 4, wherein the elastomeric part comprises an outer section that engages an outer surface of the base member and an inner section that forms a self-closing valve, which outer section and inner section are integrally formed.
    [6]
    The liquid dispensing container according to claim 5, wherein the self-closing valve comprises a cylindrical section with a tapering wall thickness.
    [7]
    A liquid dispensing container according to claim 5 or 6, wherein at least a portion of the inner section is engaged with an inner surface of the base member.
    [8]
    A liquid dispensing container according to one or more of claims 5-7, wherein the outer section comprises a circumferential seal.
    [9]
    The liquid dispensing container according to claim 8, wherein the outer section further comprises a circumferential free space adjacent to the circumferential seal.
    [10]
    The liquid delivery container of claim 9, wherein the free space extending around the circumference comprises a groove extending through at least 50% of a thickness of the outer section.
    [11]
    A liquid dispenser according to any one of claims 8-10, wherein the circumferential seal is positioned adjacent a lower end of the base member, and wherein the outer section further comprises a second circumferential seal positioned adjacent to a middle part of the basic part.
    [12]
    The liquid delivery container according to one or more of claims 5-11, wherein the outer section further comprises an upper protruding portion that engages an upper edge of the housing when the valve valve is in the open position.
    [13]
    The liquid delivery container according to one or more of claims 5-12, wherein the outer section further comprises a retaining bracket with a retaining surface extending at an acute angle with the shaft.
    [14]
    A liquid dispensing container comprising: - a housing adapted to hold a liquid; and - a valve valve mounted on the housing and movable along an axis between an open position and a closed position, the valve valve comprising: - a base part comprising a rigid material and with inner and outer surfaces; and - an elastomeric part comprising an elastomeric material with a lower rigidity than the rigid material, which elastomeric part comprises an inner section that engages the inner surface and an outer section integrally formed with the inner section and that engages the outer surface, and which outer section defines a circumferential seal.
    [15]
    The liquid delivery container of claim 14, wherein the outer section further comprises a circumferential free space adjacent to the circumferential seal.
    [16]
    The liquid dispensing container according to claim 15, wherein the circumferential seal comprises a groove extending over at least 50% of a thickness of the outer section.
    [17]
    A liquid dispenser according to one or more of claims 14 to 16, wherein the seal running around the extraction is positioned adjacent a lower end of the base member, and wherein the outer section further comprises a second circumferential seal adjacent a middle portion of the basic part.
    [18]
    A liquid dispensing container comprising: - a housing adapted to hold a liquid; and - a valve valve mounted on the housing and movable along an axis between an open position and a closed position, the valve valve comprising: - a base part comprising a rigid material; and - an elastomeric part comprising an elastomeric material with a lower rigidity than the rigid material, which elastomeric part is provided with an outer section that engages an outer surface of the base part, and which outer section comprises a retaining clamp with a retaining surface beneath a sharp angle with respect to the axis.
    [19]
    The liquid dispensing container of claim 18, wherein the outer section further comprises an upper protruding portion that engages an upper edge of the housing when the valve valve is in the open position.
    [20]
    The liquid delivery container according to one or more of the preceding claims, wherein the housing comprises a body and a cap connected to the body.
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    同族专利:
    公开号 | 公开日
    US20140144870A1|2014-05-29|
    ITRM20130614A1|2014-05-29|
    US9060592B2|2015-06-23|
    NL2011835B1|2016-07-15|
    TWI594928B|2017-08-11|
    CN103922022A|2014-07-16|
    CN103922022B|2018-08-10|
    TW201433517A|2014-09-01|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US13/687,808|US9060592B2|2012-11-28|2012-11-28|Water bottle with poppet valve|
    US201213687808|2012-11-28|
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