Patent US3559890A successfully refreshed from Google Patents.
US3559890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam dispenser
Assignee: Insta Foam Products Inc
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Filing: 1968-09-03
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Granted: 1971-02-02
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Expires: 1988-09-03
Abstract
Abstract Dispenser apparatus for multicomponent products comprises a pair of containers each having its own dispensing valve. A bracket is arranged to hold the containers in fixed position and includes a manual trigger. Links are provided for connecting the trigger with the valves for actuation of the valves in unison; and the dispenser apparatus additionally includes a remote dispensing nozzle unit and tubing connecting each of the dispensing valves with the latter unit.
Inventors
- 👤 William R Brooks
- 👤 Irving C Heinzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:51
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/68; B05; B05B; B05B7/00; B05B7/02; B05B7/12; B05B7/1209; B05B7/24; B05B7/2402; B05B7/2472; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
139 words
Dispenser apparatus comprising first and second container means, each including a foam dispensing valve mounted in the bottom end thereof, said valve including a downwardly extending, tiltably actuatable valve-and-delivery element; bracket means for holding said containers in fixed positions and including a manual grip portion and a manual trigger spaced from said valves and disposed between said valves and said grip portion, said bracket means further including spaced upper and lower containerretaining means engaging said container means for rigidly positioning said container means against actuating tension from said trigger whereby to insure uniform actuation of said valves; links connecting said trigger to said valve-and-delivery elements for actuation of said valves in unison; disposable mixing and dispensing nozzle means; and flexible tubing means, including disposable portions releasably connecting each of said valve-anddelivery elements with said mixing and dispensing nozzle means.
Claim 2
Dependent Claim
139 words
Dispenser apparatus comprising first and second container means, each including a foam dispensing valve mounted in the bottom end thereof, said valve including a downwardly extending, tiltably actuatable valve-and-delivery element; bracket means for holding said containers in fixed positions and including a manual grip portion and a manual trigger spaced from said valves and disposed between said valves and said grip portion, said bracket means further including spaced upper and lower containerretaining means engaging said container means for rigidly positioning said container means against actuating tension from said trigger whereby to insure uniform actuation of said valves; links connecting said trigger to said valve-and-delivery elements for actuation of said valves in unison; disposable mixing and dispensing nozzle means; and flexible tubing means, including disposable portions releasably connecting each of said valve-anddelivery elements with said mixing and dispensing nozzle means.
Claim 3
Dependent Claim
55 words
Dispenser apparatus according to claim 1 wherein each of said container means encloses a quantity of a propellant liquid, the propellant liquid in said first container means having substantially the same vapor pressure as the propellant liquid in said second container means whereby to dispense substantially equal volumes of the contents of said container means.
Claim 4
Dependent Claim
44 words
Dispenser apparatus according to claim 1 wherein each of said tubing means includes first and second lengths of tubing connected respectively to a said dispensing valve and said dispensing nozzle means and a breakaway fitting releasably interconnecting said first and second lengths of tubing.
Claim 5
Dependent Claim
38 words
Dispenser apparatus according to claim 3 wherein said breakaway fitting comprises tubular connectors telescoping into said lengths of tubing, said connectors having external rib means at said first lengths and smooth external surface portions at said second lengths.
Claim 6
Dependent Claim
43 words
Dispenser apparatus according to claim 1 wherein said dispensing nozzle means includes a tubular housing, an apertured discharge cap on one end of said housing, and a static mixing element in said housing spaced from said cap to define an expansion chamber therebetween.
Claim 7
Dependent Claim
16 words
Dispenser apparatus according to claim 5 wherein said cap has a plurality of discharge apertures therein.
Claim 8
Dependent Claim
25 words
Dispenser apparatus according to claim 5 wherein said static mixing element includes a radially extending end flange for positioning said element relative to said housing.
Claim 9
Dependent Claim
34 words
Dispenser apparatus according to claim 5 wherein said static mixing element includes a radially outwardly opening, spiral mixing groove, a conical premix chamber, and a radial port connecting said groove and said premix chamber.
Claim 10
Dependent Claim
45 words
Dispenser apparatus according to claim 8 wherein said dispensing nozzle means further includes an inlet cap on the other end of said housing, said inlet cap haviNg axially aligned inlet members adapted to be connected to said tubing means and opening into said premix chamber.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |