Dispensing valve for packaging

Claim 2

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly to a fully extended position when pressure within said container is raised above the predetermined discharge pressure to open said orifice and dispense fluid product from said container; and a valve stop selectively connected with said container, and positioned generally opposite said dispensing valve to positively prevent said valve head portion from shifting to the fully extended position to thereby retain said orifice fully closed.

Claim 3

A dispensing package as set forth in claim 1, wherein; said container includes a neck disposed adjacent said discharge opening, with a radially outwardly extending lip; and said valve stop comprises a removable cap having a radially inwardly protruding rib which selectively engages the lip of said container to detachably interconnect said cap and said container, and an inwardly extending tower with an arcuate end wall positioned adjacent and shaped similar to an exterior side of said valve head portion.

Claim 4

A dispensing package as set forth in claim 2, wherein: said cap includes a tab projecting radially outwardly from a marginal portion of said cap to facilitate manually grasping the same.

Claim 5

A dispensing package as set forth in claim 1, wherein: said container includes a neck disposed adjacent said discharge opening, having an internally facing rim with a groove thereabout; and said valve stop comprises a removable cap having a radially outwardly protruding rib which selectively engages the groove in said rim to detachably interconnect the same, and an inwardly extending protuberance shaped similar to an exterior side of said valve head portion.

Claim 6

A dispensing package as set forth in claim 4, wherein: said cap includes a tab projecting radially outwardly from a marginal portion of said cap to facilitate manually grasping the same.

Claim 7

A dispensing package as set forth in claim 1, wherein: said valve stop comprises an L-shaped arm having one end thereof pivotally connected with said container for shifting said arm between open and closed positions, and an opposite end thereof shaped for positioning adjacent the valve head portion of said dispensing valve when said arm is in the closed position.

Claim 8

A dispensing package as set forth in claim 1, wherein: said valve stop comprises a disc-shaped cap having a marginal portion thereof pivotally connected with said container for rotation between open and closed positions.

Claim 9

A dispensing package as set forth in claim 7, wherein: said cap includes a snap lock for detachably retaining the same in the closed position.

Claim 10

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends to shift said valve head portion outwardly to a fully extended position when pressure within said container is raised above the predetermined discharge pressure to open said orifice and dispense fluid product from said container; a valve stop selectively connected with said container, and positioned generally opposite said dispensing valve to positively prevent said valve head portion from shifting to the fully extended position to thereby retain said orifice fully closed; and wherein said container includes a neck disposed adjacent said discharge opening, with an outwardly oriented lip; and said valve stop comprises a removable patch adhered to the lip of said container.

Claim 11

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends to shift said valve head portion outwardly to a fully extended position when pressure within said container is raised above the predetermined discharge pressure to open said orifice and dispense fluid product from said container; a valve stop selectively connected with said container, and positioned generally opposite said dispensing valve to positively prevent said valve head portion from shifting to the fully extended position to thereby retain said orifice fully closed; and wherein said container includes a neck disposed adjacent said discharge opening, with an outwardly oriented lip; and said valve stop comprises a removable patch adhered to the lip of said container.

Claim 12

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said-marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; a vent mounted in said container, and permitting ambient air to be drawn into an interior portion of said container after fluid product is dispensed therefrom.

Claim 13

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said-marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; a vent mounted in said container, and permitting ambient air to be drawn into an interior portion of said container after fluid product is dispensed therefrom.

Claim 14

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; a vent mounted in said container, and permitting ambient air to be drawn into an interior portion of said container after fluid product is dispensed therefrom; and wherein said marginal valve portion is configured to form a check valve for said vent to prevent the liquid product in said container from escaping through said vent.

Claim 15

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said marginal valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; a vent mounted in said container, and permitting ambient air to be drawn into an interior portion of said container after fluid product is dispensed therefrom; and wherein said marginal valve portion is configured to form a check valve for said vent to prevent the liquid product in said container from escaping through said vent.

Claim 16

A dispensing package as set forth in claim 11, including: a snap ring retaining said dispensing valve in said container, and including a vent aperture therethrough which selectively communicates with said vent.

Claim 17

A dispensing package as set forth in claim 12, wherein: said container includes an enlarged seat in which said marginal valve portion is retained to permit selected flexure of the same to vent air into the interior portion of said container.

Claim 18

A dispensing package as set forth in claim 13, wherein: said marginal valve portion includes a tapered inner area, and a flat outer area.

Claim 19

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said valve flange, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; and wherein said marginal valve portion includes opposite inner and outer faces which are curved, and diverge from one another to a flat outer marginal edge.

Claim 20

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said valve flange, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; and wherein said marginal valve portion includes opposite inner and outer faces which are curved, and diverge from one another to a flat outer marginal edge.

Claim 21

A dispensing package as set forth in claim 15, wherein: said inner face has a first concave shape and said outer face has a second concave shape.

Claim 22

A dispensing package as set forth in claim 16, wherein: said first concave shape of said inner face is different from said second concave shape of said outer face.

Claim 23

A dispensing package as set forth in claim 15, wherein: said inner face has a convex shape, and said outer face has a waved shape.

Claim 24

A dispensing package as set forth in claim 15, wherein: said inner and outer faces have a convex shape.

Claim 25

A dispensing package as set forth in claim 19, wherein: said convex shape of said inner face is different from the convex shape of said outer face.

Claim 26

A dispensing package as set forth in claim 15, wherein: said inner face has a concave shape, and said outer face has a convex shape.

Claim 27

A dispensing package as set forth in claim 15, wherein: said inner and outer faces have a wavy shape.

Claim 28

A dispensing package as set forth in claim 22, wherein: said wavy shape of said inner face is different from the wavy shape of said outer face.

Claim 29

A dispensing package as set forth in claim 15, wherein: one of said inner and outer faces includes a groove extending circumferentially about said marginal valve portion.

Claim 30

A dispensing package as set forth in claim 15, wherein: said inner and outer faces each include a groove extending circumferentially about said marginal valve portion.

Claim 31

A dispensing package as set forth in claim 15, wherein: said inner and outer faces each include a plurality of grooves extending circumferentially about said marginal valve portion.

Claim 32

A dispensing package as set forth in claim 26, wherein: said grooves have a V-shaped transverse cross-sectional configuration.

Claim 33

A dispensing package as set forth in claim 26, wherein: said grooves have a U-shaped transverse cross-sectional configuration.

Claim 34

A dispensing package as set forth in claim 15, wherein: said inner and outer faces each include a plurality of ribs protruding outwardly from said marginal valve portion.

Claim 35

A dispensing package as set forth in claim 29, wherein: said ribs are disposed concentrically.

Claim 36

A dispensing package as set forth in claim 30, wherein: said ribs have a V-shaped transverse cross-sectional configuration.

Claim 37

A dispensing package as set forth in claim 30, wherein: said ribs have a U-shaped transverse cross-sectional configuration.

Claim 38

A dispensing package as set forth in claim 15, wherein: said inner and outer faces collectively assume an hour glass shaped transverse cross-sectional configuration.

Claim 39

A dispensing package as set forth in claim 15, wherein: said inner and outer faces each have a three-quarter circle shaped transverse cross-sectional configuration.

Claim 40

A dispensing package as set forth in claim 15, wherein: said marginal valve portion has a rectangular plan configuration.

Claim 41

A dispensing package as set forth in claim 15, wherein: said marginal valve portion has an ovate plan configuration.

Claim 42

A dispensing package as set forth in claim 15, wherein: said marginal valve portion has a triangular plan configuration.

Claim 43

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; and wherein said marginal valve portion includes opposite inner and outer faces which extend to an outer marginal edge; and said inner and outer faces are generally flat, with first and second arcuately shaped ribs projecting oppositely therefrom in a staggered configuration.

Claim 44

A dispensing package for fluid products, comprising: a container shaped to retain a selected fluid product therein, and having a discharge opening; a dispensing valve for controlling the flow of the fluid product from said container, including a marginal valve portion sealing about the discharge opening of said container; a valve head portion having an orifice which opens to permit fluid flow therethrough in response to a predetermined discharge pressure within said container, and closes to shut off fluid flow therethrough upon removal of the predetermined discharge pressure, wherein said valve head portion is shaped for shifting generally centrally with respect to said marginal valve portion; and a connector sleeve portion having a resiliently flexible construction, with one end area thereof connected with said valve portion, and an opposite end area thereof connected with said valve head portion, wherein said connector sleeve portion has a sidewall with a configuration which extends rollingly to shift said valve head portion outwardly when pressure within said container is raised above the predetermined discharge pressure; and wherein said marginal valve portion includes opposite inner and outer faces which extend to an outer marginal edge; and said inner and outer faces are generally flat, with first and second arcuately shaped ribs projecting oppositely therefrom in a staggered configuration.

Claim 45

A dispensing package as set forth in claim 38, wherein: said inner and outer faces are generally flat, with a V-shaped rib projecting from said inner face, and a V-shaped groove, aligned with said rib, disposed in said outer face.

Claim 46

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a trapezoidal transverse cross-sectional configuration, with said connector sleeve attached centrally at a base portion thereof.

Claim 47

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a circular transverse cross-sectional configuration.

Claim 48

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a H-shaped transverse cross-sectional configuration.

Claim 49

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a U-shaped transverse cross-sectional configuration.

Claim 50

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a double concave transverse cross-sectional configuration.

Claim 51

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a diamond-shaped transverse cross-sectional configuration.

Claim 52

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has a square shaped transverse cross-sectional configuration.

Claim 53

A dispensing package as set forth in claim 38, wherein: said marginal valve portion has an inner half and an oppositely oriented outer half; at least one of said inner and outer halves has a rectangular transverse cross-sectional configuration.

Claim 54

A dispensing package as set forth in claim 47, wherein: at least one of said inner and outer halves has an inwardly oriented V-shaped groove.

Claim 55

A dispensing package as set forth in claim 47, wherein: at least one of said inner and outer halves has a semicircular transverse cross-sectional configuration.

Claim 56

A dispensing package as set forth in claim 47, wherein: at least one of said inner and outer halves has an outwardly protruding V-shaped rib.

Claim 57

A dispensing package as set forth in claim 47, wherein: at least one of said inner and outer halves includes a plurality of enlarged head anchors protruding therefrom.

Claim 58

A dispensing package as set forth in claim 38, wherein: said marginal valve portion is generally flat; said container includes a seat with a plurality of outwardly protruding V-shaped ribs against which said marginal valve portion is positioned.

Claim 59

A dispensing package as set forth in claim 52, including: a snap ring retaining said dispensing valve in said container, and including a seat against which said marginal valve portion is positioned.

Claim 60

A dispensing package as set forth in claim 53, wherein: said marginal valve portion includes an enlarged marginal bead positioned in a mating groove in said container seat.

Claim 61

A dispensing package as set forth in claim 53, wherein: said snap ring seat includes a plurality of outwardly protruding V-shaped ribs.

Claim 62

A dispensing package as set forth in claim 38, wherein: said marginal valve portion is generally flat; said container includes a seat against which said marginal valve portion is positioned; and including a ring retaining said valve in said container.

Claim 63

A dispensing package as set forth in claim 56, wherein: said marginal valve portion has an L-shaped marginal edge; and said ring is threadedly mounted in said container.

Claim 64

A dispensing package as set forth in claim 56, wherein: said ring has an L-shaped seat against which said marginal valve portion is positioned; and said ring has a snap lock mounting the same in said container.