Shutter-type valve mechanism

Claim 2

A shut-off device for a pressurized container, comprising: a body member attached to said container and defining a passageway terminating at one end at an outer surface of said body member in a discharge orifice and having its other end arranged for communicating with the contents of said container; an outward closure member in contact with and movable relative to said outer surface and said container between respective positions exposing and occluding said orifice, said closure member defining opening therethrough of area larger than said discharge orifice at the surface of contact and movable with said closure member into alignment with said discharge orifice to define said exposing position, said opening fully exposing said discharge orifice to allow said orifice alone to last define the shape of the shape of the discharge steam, said closure member when in position for occluding said orifice having means for sealing said orifice; an actuator member and means operatively interconnecting said actuator member with said closure member for manipulating the latter between said respective positions; and wedging means for bringing pressure to bear against said closure member when in said orifice occluding position for urging said closure member against said orifice to thereby seal the same.

Claim 3

A dispensing valve for controlling the outflow of the contents of a pressurized container, comprising: a body member attached to said container and defining a passAgeway terminating at one end at an outer surface of said body member in a discharge orifice and having its other end arranged for communicating with the contents of said container, said outer surface of said body member being generally frusto-conical; an outward closure member in contact with and movable relative to said outer surface and said container between respective positions exposing and occluding said orifice, said closure member defining opening therethrough of area larger than said discharge orifice at the surface of contact and movable with said closure member into alignment with said discharge orifice to define said exposing position, said opening fully exposing said discharge orifice to allow said orifice alone to last define the shape of the shape of the discharge steam said closure member when in said orifice occluding position having means for selaing said orifice when urged thereagainst, said closure member having at least a portion with an internal frusto-conical configuration disposed telescopingly about said outer surface of the body member and movable axially relative thereto, the frusto-conical portion of said closure member complementing the frusto-conical surface of said body member for wedging said closure member against said surface as said members are moved axially in the direction relative to each other which causes said closure member to occlude said orifice; means for manipulating said closure member between said respective positions; and means to urge said closure member to said occluding position.

Claim 4

A dispensing valve for controlling the outflow of the contents of a pressurized container, comprising: a body member attached to said container and defining a passAgeway terminating at one end at an outer surface of said body member in a discharge orifice and having its other end arranged for communicating with the contents of said container, said outer surface of said body member being generally frusto-conical; an outward closure member in contact with and movable relative to said outer surface and said container between respective positions exposing and occluding said orifice, said closure member defining opening therethrough of area larger than said discharge orifice at the surface of contact and movable with said closure member into alignment with said discharge orifice to define said exposing position, said opening fully exposing said discharge orifice to allow said orifice alone to last define the shape of the shape of the discharge steam said closure member when in said orifice occluding position having means for selaing said orifice when urged thereagainst, said closure member having at least a portion with an internal frusto-conical configuration disposed telescopingly about said outer surface of the body member and movable axially relative thereto, the frusto-conical portion of said closure member complementing the frusto-conical surface of said body member for wedging said closure member against said surface as said members are moved axially in the direction relative to each other which causes said closure member to occlude said orifice; means for manipulating said closure member between said respective positions; and means to urge said closure member to said occluding position.

Claim 5

A dispensing valve according to claim 2, wherein said closure member constitutes the lower skirt portion of a spring biased cap structure telescoped over a tubular body member, and said body member comprises a tubular extension adapted to mate with a primary valve assembly of a valve controlled pressure container, whereby when the cap structure is depressed the orifice is exposed before sufficient pressure is applied to open said primary valve assembly.

Claim 6

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at an outer surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of said container, a closure member movable relative to said outer surface and said container between respective positions exposing and occluding said orifice, said closure member having a resilient arm for bearing against and sealing said orifice when said closure member occupies said position for occluding said orifice, and means for manipulating said closure member between said respective positions.

Claim 7

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at an outer surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of said container, a closure member movable relative to said outer surface and said container between respective positions exposing and occluding said orifice, said closure member having a resilient arm for bearing against and sealing said orifice when said closure member occupies said position for occluding said orifice, and means for manipulating said closure member between said respective positions.

Claim 8

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at a surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of aid container, a closure member movable relative to said surface between respective positions exposing and occluding said orifice, said closure member having a resilient arm for bearing against and sealing said orifice when said closure member occupies said position for occluding said orifice, and means for manipulating said closure member between said respective position, said surface of the body member around said orifice and the end of said arm being complementally spheroidal whereby the end of said arm cooperates therewith with a detent action.

Claim 9

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at a surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of aid container, a closure member movable relative to said surface between respective positions exposing and occluding said orifice, said closure member having a resilient arm for bearing against and sealing said orifice when said closure member occupies said position for occluding said orifice, and means for manipulating said closure member between said respective position, said surface of the body member around said orifice and the end of said arm being complementally spheroidal whereby the end of said arm cooperates therewith with a detent action.

Claim 10

A dispensing valve according to claim 5, wherein said closure member comprises a spring biased cap structure telescoped over a tubular body member, and said body member comprises a tubular extension adapted to mate with a primary valve assembly of a valve controlled pressure container, whereby when the cap structure is depressed the orifice is exposed before sufficient pressure is applied to open said primary valve assembly.

Claim 11

A dispensIng valve for controlling the outflow of the contents from a pressurized container, comprising: a body member attached to said container and defining a passageway terminating at one end at an outer surface of said body member in a discharge orifice and having its other end arranged for communicating with the contents of said container; an outward closure member in contact with and movable relative to said outer surface between respective positions exposing and occluding said orifice, said closure member defining opening therethrough of area larger than said discharge orifice at the surface of contact and movable with said closure member into alignment with said discharge orifice to define said exposing position, said opening fully exposing said discharge orifice to allow said orifice alone to last define the shape of the shape of the discharge steam, said closure member in said occluding position having means for bearing against and sealing said orifice; means for manipulating said closure member between said respective positions; and means for causing said means for sealing said orifice to bear against said orifice when said closure member is manipulated to said occluding position.

Claim 12

A dispensIng valve for controlling the outflow of the contents from a pressurized container, comprising: a body member attached to said container and defining a passageway terminating at one end at an outer surface of said body member in a discharge orifice and having its other end arranged for communicating with the contents of said container; an outward closure member in contact with and movable relative to said outer surface between respective positions exposing and occluding said orifice, said closure member defining opening therethrough of area larger than said discharge orifice at the surface of contact and movable with said closure member into alignment with said discharge orifice to define said exposing position, said opening fully exposing said discharge orifice to allow said orifice alone to last define the shape of the shape of the discharge steam, said closure member in said occluding position having means for bearing against and sealing said orifice; means for manipulating said closure member between said respective positions; and means for causing said means for sealing said orifice to bear against said orifice when said closure member is manipulated to said occluding position.

Claim 13

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at a surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of said container, a closure member removable relative to said surface between respective positions exposing and occluding said orifice, said closure member when in said position for occluding said orifice having means for bearing against and sealing said orifice, means for manipulating said closure member between said respective positions, and means for causing said means for sealing said orifice to bear against said orifice when said closure member is manipulated to said orifice occluding position, said closure member comprising a spring biased cap structure telescoped over a tubular body member, said cap structure containing a slot extending for a short distance circumferentially in juxtaposition to said orifice when said cap structure occupies said orifice occluding position, said orifice being located in a side wall of said body member, an elastic band surrounding said cap structure lying in said slot so as to project in the vicinity of said slot into the interior of said cap structure for encountering said side wall of the body member, and said side wall of the body member being longitudinally tapered along an element passing through said orifice whereby said elastic band is wedged against said orifice when said cap structure moves in the direction to occlude said orifice and is released from said orifice with movement of the cap structure in the opposite direction, said cap structure having a port adjacent said slot which registers with said orifice to expose said orifice when said cap structure is manipulated to said orifice exposing position.

Claim 14

A dispensing valve for controlling the outflow of the contents from a pressurized container comprising in combination a body member containing a passage terminating at one end at a surface of the body in a discharge orifice and having its other end arranged for communicating with the contents of said container, a closure member removable relative to said surface between respective positions exposing and occluding said orifice, said closure member when in said position for occluding said orifice having means for bearing against and sealing said orifice, means for manipulating said closure member between said respective positions, and means for causing said means for sealing said orifice to bear against said orifice when said closure member is manipulated to said orifice occluding position, said closure member comprising a spring biased cap structure telescoped over a tubular body member, said cap structure containing a slot extending for a short distance circumferentially in juxtaposition to said orifice when said cap structure occupies said orifice occluding position, said orifice being located in a side wall of said body member, an elastic band surrounding said cap structure lying in said slot so as to project in the vicinity of said slot into the interior of said cap structure for encountering said side wall of the body member, and said side wall of the body member being longitudinally tapered along an element passing through said orifice whereby said elastic band is wedged against said orifice when said cap structure moves in the direction to occlude said orifice and is released from said orifice with movement of the cap structure in the opposite direction, said cap structure having a port adjacent said slot which registers with said orifice to expose said orifice when said cap structure is manipulated to said orifice exposing position.