Claims
- 1. A dispenser head (1) for manually discharging media, including at least a first medium and a second medium, said head (1, 1a) comprising:
- an outlet (5, 5a) for expelling at least said first medium and said second medium;
- a gathering zone (28, 28a) for initially bringing at least said first medium and second medium together;
- first duct means for passing said first medium into said gathering zone (28) in a manner substantially separate from the second medium; and
- second duct means for passing said second medium into said gathering zone (28) in a manner substantially separate from the first medium;
- said first and second duct means each configured for defining the flow characteristics of the respective ones of said first medium and said second medium in a predetermined manner for each; and
- abatement means (23, 23a, 30, 30a) for retarding the flow of at least one of said first medium and said second medium at a location directly upstream of said gathering zone (28) in a retarding step, said abatement means (23) including a downstream abatement end, and said gathering zone (28) including issuing inlets (34, 35) for said first and second medium, said issuing inlets (34, 35) being provided in an inlet face (29), said downstream abatement end being provided at said inlet face (29).
- 2. The dispenser head according to claim 1, wherein:
- said first and second duct means are separate to a location substantially up to said gathering zone (28), said first duct means having a final first issuing section at said gathering zone (28) and said second duct means having a final second issuing section at said gathering zone (28);
- said first issuing section having a first supply inlet (22) for passing said first medium thereinto and a first issuing outlet (34) for passing said first medium into said gathering zone (28);
- said second issuing section having a second supply inlet (26) for passing said second medium thereinto and a second issuing outlet (35) for passing said second medium into said gathering zone (28);
- each of said first and second issuing sections, said first and second supply inlets (22, 26) and said first and second issuing outlets (34, 35) shaped to define a cross-sectional passage width extension and a length extension for controlling the flow velocity of said first medium and said second medium respectively therethrough;
- said abatement means including first abatement means (23) provided for retarding said flow velocity of said first medium directly upstream of said gathering zone (28) and shaped for suddenly retarding said flow velocity in said final first issuing section providing said first abatement means (23);
- said passage width extension of said final first issuing section being substantially larger than said passage width extension of said first supply inlet (22), thereby said final first issuing section being provided by an enlarged abatement passage including said first issuing outlet (34); and
- said first issuing section (23) defining a passage abatement width extension and an abatement length extension, said abatement width extension being substantially constant over said abatement length extension, said abatement width extension being defined by a bore channel and substantially directly connecting to said gathering zone (28), thereby a downstream end of said bore channel defining said first issuing outlet (34).
- 3. The dispenser according to claim 2, wherein said first issuing section is of oblong shape, said passage width extension of said first issuing section being substantially constant over said length extension of said first issuing section, said gathering zone (28) being provided by a gathering chamber (32), said inlet face providing a bottom face (29) of said gathering chamber (32).
- 4. The dispenser head according to claim 3, wherein said dispenser head (1) is constructed for defining an operative state and an initial non-operative state, said first issuing section associated with a capillary closure (37) permeable to the first medium which is closed in the non-operative state for providing protection against outflow of said first medium, said first issuing section including a reservoir chamber from which the first medium is drawable into said gathering zone (28) by capillary suction action through said capillary closure (37) located inside said gathering chamber (32).
- 5. The dispenser head according to claim 4, wherein said passage width extension of said first supply inlet (22) is sufficiently small for preventing the first medium from flowing back out of said reservoir chamber of said first issuing section through said first supply inlet (22).
- 6. The dispenser head according to claim 2, wherein
- said gathering zone (28) is provided by a gathering chamber (32) and further comprises mixing means for mixing at least said first medium and said second medium, said mixing means being permeable to said first medium and further including at least one of:
- throttle means;
- porous structure; and
- said first and second issuing outlet (34, 35) separately issuing directly at said mixing means at the most by a gap distance of below 1 mm, with said mixing means located for permitting the media to transversely flow and extend along said mixing means provided in and along said gathering chamber (32) defining said gathering zone (28).
- 7. The dispenser head according to claim 1, wherein said dispenser head (1) is constructed for defining operative and non-operative states, said gathering zone (28) including a gathering chamber (32) and a porous structure (37) permeable to the media, said porous structure (37) having an inlet side and passage openings for said first medium, and further comprising means for impregnating said porous structure (37) with said first medium and for covering said passage openings at least at said inlet side, when in said non-operative state, with said first medium said gathering chamber (32) being bounded by said inlet face (29) and facingly having a chamber outlet (31), said gathering chamber (32) being substantially entirely filled with said porous structure (37).
- 8. The dispenser head according to claim 1, wherein a porous structure (37) permeable to at least one of said first medium and said second medium is provided, said porous structure (37) including a plurality of microporous sieves (38) making up a multilayer sieve pack, and said sieves (38) being spaced adjacent to each other, one of said sieves (38) having a thickness extension, with said adjacent sieves (38) being reciprocally spaced by a distance substantially corresponding to said thickness extension.
- 9. The dispenser head according to claim 1, wherein said gathering zone (28) includes porous structure (37) permeable to at least one of said first medium and said second medium, said porous structure including interspaced adjacent sieves (38) and sieve surfaces, said adjacent sieves (38) being reciprocally spaced by a distance of substantially less than 1 mm, and means being provided for permitting at least one of said first medium and said second medium to operationally transversely flow and extend along said sieve surfaces within said porous structure (37).
- 10. The dispenser head according to claim 2, wherein said final first issuing section including said first issuing outlet (34) and said first supply inlet further comprise means for expelling said first medium out of said first issuing outlet as an envelope flow, said first medium being a liquid.
- 11. The dispenser head according to claim 10, further comprising means for subdividing said envelope flow into single flow jets at said first issuing outlet, said means for subdividing including said first supply inlet as a plurality of supply inlets located at a distance upstream from said first issuing outlet (34a).
- 12. The dispenser head according to claim 1, wherein said first and second duct means further comprise first and second issuing sections including first and second issuing outlets (34, 35) for passing the first medium and the second medium respectively at a location directly upstream of and into said gathering zone (28) substantially in a common plane, said first and second issuing outlets located at the ends of said first and second issuing sections and each defining first and second passage width extensions for the first medium and second medium respectively, said first passage width extension of said first issuing outlet (34) being larger than said second passage width extension of said second issuing outlet (35) by a multiple, said inlet face (29) being an end face, said first and second issuing outlets (34, 35) being provided for letting the first and second medium into said gathering zone (28) substantially only in an axial flow direction, said dispenser head (1) including a discharge stud (3) having a free stud and a rear stud end, said free stud end providing said outlet (5) and said rear stud end (16) connecting to first and second feed ducts (9, 10) for feeding the first and second medium respectively to said gathering zone (28), between said feed ducts (9, 11) and said outlet (5), said first and second duct means defining first and second flow paths, said first and second flow paths being substantially exclusively linear.
- 13. The dispenser head according to claim 1, wherein said first duct means has a first issuing outlet (34) issuing into said gathering zone (28) within said second duct means, said second duct means having a plurality of second issuing outlets (35) distributed around said first issuing outlet (34), and issuing into said gathering zone (28), said gathering zone (28) having a gathering chamber (32) bounded by a bottom face (29) and an inner circumference (36), and said second issuing outlets (35) being reciprocally separate and radially inwardly spaced from said inner circumference (36), connecting ducts (27) being provided and including duct ends (35), said duct ends providing said second issuing outlets (35), said connecting ducts (27) defining passage width extensions and a length extension, said passage width extension being constant over said length extension, said gathering zone (28) including porous structure (37) to be passed by the first and second medium, said first and second issuing outlets (34, 35) directly connecting to said porous structure (38).
- 14. The dispenser head according to claim 1, further comprising means (8) provided for positively forcing the second medium through said gathering zone (28), said dispenser head (1) providing a base body (2) and a discharge stud (3) substantially radially projecting from said base body (2) and including a free stud end, said free stud end including said outlet (5), said base body (2) including a shaft connector (6) for connecting said base body (2) to a piston shaft of a first pump provided for pumping the first medium, within said base body (2) said shaft connector (6) providing a first feed duct (9) for feeding the first medium to said gathering zone (28), said first feed duct (9) being angular and connecting to a rear stud end of said discharge stud (3), said stud connector (6) being surrounded by a second feet duct (11) for feeding the second medium to said gathering zone (28), said second feed duct (11) also connecting to said rear stud end (16).
- 15. The dispenser head according to claim 1, wherein separate outer and inner sleeve members (12a, 40a) are provided for bounding said first and second duct means, said gathering zone (28a) including a chamber (32a) bounded by said inlet face (29a) and an inner chamber circumference (36a), said inner sleeve member (40) providing said inlet face (29) and bounding said first duct means by an inner sleeve circumference (43), said outer sleeve member (12a) providing said chamber circumference (36a) and bounding said second duct means and said inner sleeve member (4) defining said abatement means (23), said discharge head (1) including a base body (2) and a discharge stud (3) having a free stud end and a rear stud end (16), said free stud end providing said outlet (5) and said rear stud end (16) providing a stud connector (6) fastening said discharge stud (3) to said base body (2), said discharge stud (3) providing a preassembled sub-assembly inserted in said base body (2), said sub-assembly including said abatement means (23) and said gathering zone (28), said base body (2) internally providing a shaft connector (6) for connecting said dispenser head (1) to a piston shaft and to an outlet duct provided within the piston shaft.
- 16. The dispenser head according to claim 15, wherein said outer and inner sleeve members (12a, 40) have interengaging inner and outer circumferences commonly bounding said second duct means, and include at least one abating chamber (24a, 26a) for retarding the flow characteristics of the second medium, said base body (2) including a pump cylinder of a piston pump (8) for pumping said second medium.
- 17. The dispenser head according to claim 15, further comprising a core body (15, 15a) located in said inner sleeve member (40), said inner sleeve member having a forward sleeve end face (29a), said core body (15, 15a) having an outer core circumference and a forward core end face, said core circumference bounding said first duct means (22a) upstream of said abatement means (23, 23a), from said core end face to said sleeve end face (29a), said first duct means providing an abatement chamber of said abatement means, and said abatement chamber directly issuing into said gathering zone (28).
- 18. The dispenser head according to claim 1, wherein said first medium is a liquid and said second medium is gaseous, and said gathering zone (28, 28a) further comprises and provides the foam forming means (37) for mixing the first and second medium to provide a composite foam medium, said outlet (5) being provided at a free end of a discharge stud (3) having a rear end (16), said rear end (16) connecting to first and second feed ducts (9, 11) for feeding the first and second medium to said gathering zone (28), between said feed ducts (9, 11) and said outlet (15) said first and second duct means defining first and second flow paths oriented substantially exclusively linear.
- 19. The dispenser head according to claim 1, wherein said abatement means (23, 23a, 30, 30a) comprises means (23, 23a) for retarding the flow of said first medium comprised of a pourable medium, said outlet (5) being provided at a free end of a discharge stud (3) having a rear end (16), said rear end (16) connecting to first and second feed ducts (9, 11) for feeding the first and second medium to said gathering zone (28), between said feed ducts (9, 11) and said outlet (15) said first and second duct means defining first and second flow paths oriented substantially exclusively linear.
- 20. The dispenser head according to claim 19, wherein:
- said first and second duct means are separate to a location substantially up to said gathering zone (28), said first duct means having a final first issuing section at said gathering zone (28) and said second duct means having a final second issuing section at said gathering zone (28);
- said first issuing section having a first supply inlet (22) for passing said first medium thereinto and a first issuing outlet (34) for passing said first medium therefrom,
- said second issuing section having a second supply inlet (26) for passing said second medium thereinto and a second issuing outlet (35) for passing said second medium therefrom;
- each of said first and second duct sections, said first and second supply inlets (22, 26) and said first and second issuing outlets (34, 35) shaped to define a cross-sectional passage width extension and a length extension for controlling the flow velocity of said first medium and said second medium respectively therethrough;
- said abatement means (23) being provided for retarding said flow velocity of said first medium directly upstream of said gathering zone (28) and shaped for suddenly retarding said flow velocity in said first issuing section;
- said passage width extension of said first issuing section being substantially larger than said passage width extension of said first supply inlet (22); and
- said first issuing outlet (34) being made up of an end of said first issuing section (23), said dispenser head (1) including a base body (2) and a discharge stud (3) projecting from said base body (2) with a free and providing the outlet (5), said base body (2) providing a shaft connector (6, 7) for connecting said discharge head (1) to a piston shaft of a pump for pumping said pourable medium, to an outlet duct of the pump and to a pump for pumping the second medium.
- 21. The dispenser head according to claim 20, wherein said first issuing section including said first issuing outlet (34) is of oblong shape, said passage width extension of said first issuing section being substantially constant over said length extension of said first issuing section, said first issuing section providing said abatement means (23) for abating flow of the first medium with respect to flow in said first supply inlet (22), said first issuing outlet (34) directly connecting to said gathering zone (28).
- 22. The dispenser head according to claim 20, wherein said dispenser head (1) is constructed for defining an operative state and an initial non-operative state, said first issuing section associated with a capillary closure (37) permeable to the first medium which is closed in the non-operative state for providing protection against outflow of said first medium, said first issuing section including a reservoir chamber from which the first medium is drawable into said gathering zone (28) by capillary suction action through said capillary closure (37), said gathering zone (28) being provided by a gathering chamber (32), said inlet face providing a bottom face (29) of said gathering chamber (32), said capillary closure (37) being located inside said gathering chamber (32).
- 23. The dispenser head according to claim 22, wherein said passage width extension of said first supply inlet (22) is sufficiently small for preventing the first medium from flowing back out of said reservoir chamber of said first issuing section through said first supply inlet (22).
- 24. The dispenser head according to claim 20, wherein
- said gathering zone (28) further comprises mixing means for mixing at least said first medium and said second medium, said mixing means further including at least one of:
- throttle means;
- porous structure permeable to the media; and
- said first and second issuing outlet (34, 35) separately issuing directly at said mixing means at the most by a gap distance of below 1 mm, with said mixing means located for permitting the media to transversely flow and extend along said mixing means provided in a mixing chamber (32) defining said gathering zone (28).
- 25. The dispenser head according to claim 19, wherein said dispenser head (1) is constructed for defining operative and non-operative states, said gathering zone (28) including a gathering chamber (32) and a porous structure (37) permeable to said first and second media, said porous structure (37) having an inlet side and passage openings for said first medium, and further comprising means for impregnating said porous structure (37) with said first medium and for covering said passage openings at least at said inlet side, when in said non-operative state, with said first medium said gathering chamber (32) being bounded by said inlet face (29) and facingly having a chamber outlet (31), said gathering chamber (32) being substantially entirely filled with said porous structure (37).
- 26. The dispenser head according to claim 19, wherein a porous structure (37) permeable to at least one of said first medium and said second medium is provided, said porous structure (37) including a plurality of microporous sieves (38) making up a multilayer sieve pack, and said sieves (38) being adjacent each other, one of said sieves (38) having a thickness extension, with said adjacent sieves (38) being reciprocally spaced by a distance substantially corresponding to said thickness extension.
- 27. The dispenser head according to claim 19, wherein said gathering zone (28) includes porous structure (37) permeable to at least one of said first medium and said second medium, said porous structure including interspaced adjacent sieves (38) and sieve surfaces, said adjacent sieves (38) being reciprocally spaced by a distance of substantially less than 1 mm, and means being provided for permitting at least one of said first medium and said second medium to operationally transversely flow and extend along said sieve surfaces within said porous structure (37).
- 28. The dispenser head according to claim 20, wherein said first issuing section and said first supply inlet further comprise means for expelling said first medium out of said first issuing outlet as an envelope flow.
- 29. The dispenser head according to claim 28, further comprising means for subdividing said envelope flow into single flow jets at said first issuing outlet, said means for subdividing including said first supply inlet as a plurality of supply inlets located at a distance upstream from said first issuing outlet (34a).
- 30. The dispenser head according to claim 19, wherein said first and second duct means further comprise first and second issuing sections including first and second issuing outlets (34, 35) for passing first medium and second medium respectively at a location directly upstream of and into said gathering zone (28) substantially in a common plane, said first and second issuing outlets located at the ends of said first and second issuing sections and each defining first and second passage width extensions for the first medium and second medium respectively, said first passage width extension of said first issuing outlet (34) being larger than said second passage width extension of said second issuing outlet (35) by a multiple, said inlet face (29) being an end face, said first and second issuing outlets (34, 35) being provided for letting the first and second medium into said gathering zone (28) substantially only in an axial flow direction, said dispenser head (1) including a discharge stud (3) having a free stud and a rear stud end, said free stud end providing said outlet (5) and said rear stud end (16) connecting to first and second feed ducts (9, 10) for feeding the first and second medium respectively to said gathering zone (28), between said feed ducts (9, 11) and said outlet (5), said first and second duct means defining first and second flow paths, said first and second flow paths being substantially exclusively linear.
- 31. The dispenser head according to claim 19, wherein said first duct means has a first issuing outlet (34) issuing into said gathering zone (28) within said second duct means, said second duct means having a plurality of second issuing outlets (35) distributed around said first issuing outlet (34), and issuing into said gathering zone (28), said gathering zone (28) having a gathering chamber (32) bounded by a bottom face (29) and an inner circumference (36), and said second issuing outlets (35) being reciprocally separate and radially inwardly spaced from said inner circumference (36), said dispenser head (1) including a base body (2) and a discharge stud (3) projecting to a free and including said outlet (5), said base body (2) including a shaft connector (6, 7) for connecting said dispenser head (1) to a piston shaft of a first pump provided for pumping the pourable medium to said gathering zone (28), said shaft connector (6, 7) including first and second feed ducts (9, 11) for connecting said first and second duct means with said first pump and a second pump (8) provided for pumping the second medium to said gathering zone (28), said first duct means (9) connecting to a rear end (16) of said discharge stud (3), between said first and second feed ducts (9, 11) and said outlet (5) said first and second duct means defining first and second flow paths oriented substantially exclusively linear and parallel.
- 32. The dispenser head according to claim 19, further comprising means (8) provided for positively forcing the second medium through said gathering zone (28) via a pump chamber (8) provided by said dispenser head (1).
- 33. The dispenser head according to claim 19, wherein separate outer and inner sleeve members (12a, 40a) are provided for bounding said first and second duct means, said gathering zone (28a) including a chamber (32a) bounded by said inlet face (29a) and an inner chamber circumference (36a), said inner sleeve member (40) providing said inlet face (29) and bounding said first duct means by an inner sleeve circumference (43), said outer sleeve member (12a) providing said chamber circumference (36a) and bounding said second duct means and said inner sleeve member (4), defining said abatement means (23), said discharge head (1) including a base body (2) and a discharge stud (3) having a free stud end and a rear stud end (16), said free stud end providing said outlet (5) and said rear stud end (16) providing a stud connector (6) fastening said discharge stud (3) to said base body (2), said discharge stud (3) providing a preassembled sub-assembly inserted in said base body (2), said sub-assembly including said abatement means (23) and said gathering zone (28), said base body (2) internally providing a shaft connector (6) for connecting said dispenser head (1) to a piston shaft and to an outlet duct provided within the piston shaft.
- 34. The dispenser head according to claim 33, wherein said outer and inner sleeve members (12a, 40) have interengaging inner and outer circumferences commonly bounding said second duct means, and include at least one abating chamber (24a, 26a) for retarding the flow characteristics of the second medium, said base body (2) including a pump cylinder of a piston pump (8) for pumping said second medium.
- 35. The dispenser head according to claim 33, further comprising a core body (15, 15a) located in said inner sleeve member (40), said inner sleeve member having a forward sleeve end face (29a), said core body (15, 15a) having an outer core circumference and a forward core end face, said core circumference bounding said first duct means (22a) upstream of said abatement means (23, 23a), from said core end face to said sleeve end face (29a), said first duct means providing an abatement chamber of said abatement means, and said abatement chamber directly issuing into said gathering zone (28).
- 36. The dispenser head according to claim 19, wherein said first medium is a liquid and said second medium is gaseous, and said gathering zone (28, 28a) further comprises and provides the foam forming means (37) for mixing the first and second medium to provide a composite foam medium, said outlet (5) being provided at a free end of a discharge stud (3) having a rear end (16), said read end (16) connecting to first and second feed ducts (9, 11) for feeding the first and second medium to said gathering zone (28), between said feed ducts (9,11) and said outlet (15) said first and second duct means defining first and second flow paths oriented substantially exclusively linear.
Priority Claims (1)
Number |
Date |
Country |
Kind |
40 08 069.2 |
Mar 1990 |
DEX |
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Parent Case Info
This application is a continuation of U.S. application Ser. No. 07/930,402 filed Nov. 16, 1992, now abandoned.
US Referenced Citations (21)
Foreign Referenced Citations (7)
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Continuations (1)
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Number |
Date |
Country |
Parent |
930402 |
Nov 1992 |
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