Patent US3595440A successfully refreshed from Google Patents.
US3595440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual-dispensing valve with means to prevent throttling action
Assignee: Dart Industries Inc
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Filing: 1969-05-02
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Granted: 1971-07-27
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Expires: 1989-05-02
Abstract
Abstract A dual-dispensing aerosol valve for use in dispensing products, such as hot foam shave lather, and oxidation hair dye, or the like; said valve being adapted to operate in upright position by means of an axial reciprocal valve member slidably mounted in a housing and operable with respect to a flexible valve element contained in said housing; said housing having passages at opposite sides of said flexible valve element which are controlled by an annular seat and a poppet valve portion of said valve member opposed thereto and engageable with an opposite side of said flexible valve element from said seat; said poppet valve member having means adapted to prevent throttling action of the valve with relation to fluids dispensed at opposite sides of said flexible valve element.
Inventors
- 👤 Samuel B Prussin
- 👤 Jimmie L Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:34
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
402 words
In a fluid-dispensing valve, the combination of: a hollow cylindrical housing having an open end provided with a bore communicating therewith; said bore extending to said open end; said housing having a shoulder extending inwardly from said bore; a stationary valve seat means having inner and outer ends; said inner end having an annular clamp portion; and an annular seat portion concentrically spaced radially inward from said annular clamp portion thereby forming an annulus between said annular clamp portion and said annular seat portiOn; said valve seat means disposed in said bore; a flexible valve element having a periphery and having first and second opposite sides; said flexible valve element having a central opening therein; said second side of said flexible valve element near its periphery engaged with said shoulder; said flexible valve element engaged near said periphery and clamped by said seat means at said annular clamp portion thereof; said first side of said flexible valve element engageable with said annular seat portion; a movable valve member engageable with said second side of said flexible valve element in opposition to said annular seat portion; and first and second passage means communicating with said first and second sides of said flexible valve element; said first passage means communicating with said annulus and the exterior of said housing; said housing having an inner end opposite to said open end; said second passage means in said inner end of said housing, whereby separate pressurized fluids may flow from said first and second passage means when said movable valve member is moved away from said flexible valve element; a cap secured over said open end of said housing and having a central opening therein; a gasket having a central opening therein, said gasket clamped between said cap and adjacent portions of said housing and said valve seat means; and manually operable means extending through said openings in said cap and said gasket and movable therein, said manually operable means disposed to actuate said movable valve member; said movable valve member and said manually operable means being integral with each other and provided with a stem portion extending through said central opening of said flexible valve element; and a spring tending to hold said movable valve member against said flexible valve element and for compressively engaging said flexible valve element between said movable valve member and said annular seat portion of said stationary valve seat means.
Claim 2
Dependent Claim
402 words
In a fluid-dispensing valve, the combination of: a hollow cylindrical housing having an open end provided with a bore communicating therewith; said bore extending to said open end; said housing having a shoulder extending inwardly from said bore; a stationary valve seat means having inner and outer ends; said inner end having an annular clamp portion; and an annular seat portion concentrically spaced radially inward from said annular clamp portion thereby forming an annulus between said annular clamp portion and said annular seat portiOn; said valve seat means disposed in said bore; a flexible valve element having a periphery and having first and second opposite sides; said flexible valve element having a central opening therein; said second side of said flexible valve element near its periphery engaged with said shoulder; said flexible valve element engaged near said periphery and clamped by said seat means at said annular clamp portion thereof; said first side of said flexible valve element engageable with said annular seat portion; a movable valve member engageable with said second side of said flexible valve element in opposition to said annular seat portion; and first and second passage means communicating with said first and second sides of said flexible valve element; said first passage means communicating with said annulus and the exterior of said housing; said housing having an inner end opposite to said open end; said second passage means in said inner end of said housing, whereby separate pressurized fluids may flow from said first and second passage means when said movable valve member is moved away from said flexible valve element; a cap secured over said open end of said housing and having a central opening therein; a gasket having a central opening therein, said gasket clamped between said cap and adjacent portions of said housing and said valve seat means; and manually operable means extending through said openings in said cap and said gasket and movable therein, said manually operable means disposed to actuate said movable valve member; said movable valve member and said manually operable means being integral with each other and provided with a stem portion extending through said central opening of said flexible valve element; and a spring tending to hold said movable valve member against said flexible valve element and for compressively engaging said flexible valve element between said movable valve member and said annular seat portion of said stationary valve seat means.
Claim 3
Dependent Claim
77 words
The invention, as defined in claim 1, wherein: said movable valve member is provided with an annular poppet portion engageable with said flexible valve element in opposition to said annular seat portion of said stationary valve seat means; and passage means extending through said valve member beyond said central opening in said flexible valve element; said last-mentioned passage means extending outwardly through said manually operable means which extends through said openings in said cap and said gasket.
Claim 4
Dependent Claim
42 words
The invention, as defined in claim 1, wherein: said movable valve member and said integral manually operable means are axially and reciprocally operable in a rectilinear manner with respect to said housing, said stationary valve seat means, and said flexible valve element.
Claim 5
Dependent Claim
47 words
The invention, as defined in claim 1, wherein: said cap is provided with a peripheral portion adapted to be secured to an outer main container; said inner end of said housing having means thereon for supporting a flexible container in communication with said second passage means therein.
Claim 6
Dependent Claim
20 words
The invention, as defined in claim 4, wherein: said flexible container is integral with said inner end of said housing.
Claim 7
Dependent Claim
246 words
In a fluid-dispensing valve, the combination: of: a stationary valve seat means having an annular seat portion; a flexible valve element having first and second opposite sides, said first side engageable with said annular seat portion; a movable valve member engageable with said second side of said flexible valve element; and first and second passage means communicating with said first and second sides of said flexible valve element, whereby separate pressurized fluid may flow from said first and second passage means when said movable valve element is moved away from said flexible valve element; said flexible valve element having a central opening therein, said movable valve member having a stem portion extending through said central opening in said flexible valve element, said stem portion being smaller than said centraL opening to permit fluid to flow through said central opening around said stem portion, said movable valve member having a poppet head provided with an annular poppet surface engageable with said flexible valve element at said second side thereof and adjacent said central opening therein; said movable valve member having ridges directed and extending axially from said poppet surface and disposed radially inward from an area engageable with said annular seat portion of said stationary valve seat means, thereby tending to cause resilient loading and movement of said flexible valve element in a direction away from said poppet surface, when said movable valve member is moved away from said flexible valve element and said valve seat means.
Claim 8
Dependent Claim
246 words
In a fluid-dispensing valve, the combination: of: a stationary valve seat means having an annular seat portion; a flexible valve element having first and second opposite sides, said first side engageable with said annular seat portion; a movable valve member engageable with said second side of said flexible valve element; and first and second passage means communicating with said first and second sides of said flexible valve element, whereby separate pressurized fluid may flow from said first and second passage means when said movable valve element is moved away from said flexible valve element; said flexible valve element having a central opening therein, said movable valve member having a stem portion extending through said central opening in said flexible valve element, said stem portion being smaller than said centraL opening to permit fluid to flow through said central opening around said stem portion, said movable valve member having a poppet head provided with an annular poppet surface engageable with said flexible valve element at said second side thereof and adjacent said central opening therein; said movable valve member having ridges directed and extending axially from said poppet surface and disposed radially inward from an area engageable with said annular seat portion of said stationary valve seat means, thereby tending to cause resilient loading and movement of said flexible valve element in a direction away from said poppet surface, when said movable valve member is moved away from said flexible valve element and said valve seat means.
Claim 9
Dependent Claim
78 words
The invention, as defined in claim 6, wherein: said ridges being spaced apart; said stem portion having radially spaced-apart fins disposed to engage said first side of said flexible valve element in positions displaced from and between those of said ridges, whereby said flexible valve element is forcefully moved from said annular seat portion of said valve seat means, when said poppet head is moved in a direction away from said second side of said flexible valve element.
Claim 10
Dependent Claim
46 words
The invention, as defined in claim 1, wherein: a dip tube is coupled to said housing and communicates with said first passage means therein, said dip tube extending near to an inner extremity of said main container at the opposite end thereof from said valve housing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |