초록 ▼

A unit (1) for the transfer and distribution of a liquid (27) using capillary action has an elongated shaft (2) and a screen (3). The shaft (2) includes a first capillary medium (4) suitable for drawing the liquid (27) from a reservoir (26) into the shaft (2) when a bottom portion (20) of the shaft

A unit (1) for the transfer and distribution of a liquid (27) using capillary action has an elongated shaft (2) and a screen (3). The shaft (2) includes a first capillary medium (4) suitable for drawing the liquid (27) from a reservoir (26) into the shaft (2) when a bottom portion (20) of the shaft (2) is disposed in the liquid. The screen (3) is connected to the shaft (2) and includes a second capillary medium (5) suitable for receiving the liquid (27) drawn by the first capillary medium (4) and distributing it over at least a major part of the screen (3) where it evaporates.

대표청구항 ▼

1. A transfer unit (1, 1′, 7, 13) for the transfer and distribution of a liquid (27) using capillary action with an elongated shaft (2, 2′, 8, 14) including a first capillary medium (4, 10, 16),suitable for drawing the liquid (27) from a reservoir (26) and with a screen (3, 9, 15) including a second

1. A transfer unit (1, 1′, 7, 13) for the transfer and distribution of a liquid (27) using capillary action with an elongated shaft (2, 2′, 8, 14) including a first capillary medium (4, 10, 16),suitable for drawing the liquid (27) from a reservoir (26) and with a screen (3, 9, 15) including a second capillary medium (5, 11, 19) suitable for receiving the liquid (27) from the first capillary medium (4, 10, 16) and distributing it over at least a part of the screen (3, 9, 15) for evaporation and wherein the screen (3, 9, 15) is at least partially made of a capillary material, or a non-woven fleece material, and has one or more openings (6, 12, 17) through which air can be blown, and wherein the first capillary medium and the second capillary medium are a single piece. 2. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the screen (3, 9, 15) is permeable to an airflow in a direction approximately normal to the plane of the screen (3, 9, 15).3. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the screen (3, 9, 15) comprises a planar frame (18) with at least one opening (6, 12, 17), with the second capillary medium (5, 11, 19) being attached to the frame (18) covering the at least one opening (6, 12, 17).4. Transfer unit (1, 1′, 7, 13) according to claim 3, wherein the second capillary medium (5, 11, 19) comprises a sheet (19′, 34) of air permeable material, selected from the group consisting of a thin woven fabric, a non-woven fabric, gauze and tissue paper.5. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the screen is at least partially made of capillary material selected from the group consisting of a cellulose structure and cardboard (4′, 10′, 16′).6. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the shaft (2, 2′, 8, 14) is at least partially made of a capillary material, preferably a cellulose structure such as card (4′, 10′, 16′) or a non-woven fleece material.7. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the surface of the elongated shaft (2, 2′, 8, 14) is permeable to liquid (27) at a bottom portion (20) and impermeable at other portions of the elongated shaft (2, 2′, 8, 14).8. Transfer unit (1, 1′, 7, 13) according to claim 7, wherein the elongated shaft (2, 2′, 8, 14) further comprises a layer covering the lateral surfaces of the elongated shaft (2, 2′, 8, 14), which is impermeable to liquid.9. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the screen (3, 9, 15) has a width (W2) which is at least twice the shaft width (W1) of the enlongated shaft (2, 2′, 8, 14).10. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the screen (3, 9, 15) and the elongated shaft (2, 2′, 8, 14) are a single piece.11. Transfer unit (1, 1′, 7, 13) according to claim 1, wherein the bottom part (20) which includes cutting means (20′) to facilitate breaking or cutting a seal (24) in a shaft receiving passage (21) or a refill unit (25) for fragrance dispensers.12. Method of manufacturing a transfer unit (1, 1′, 7, 13) according to claim 1, comprising the step of:cutting from a sheet material (28, 30, 32) at least one shape (29, 29′, 29″) or a transfer unit having an elongated shaft (2, 2′, 8, 14) with an attached screen (3, 9, 15), said screen (3, 9, 15) being wider than the elongated shaft (2, 2′, 8, 14). 13. Method according to claim 12, wherein the sheet material (28, 30, 32) comprises of a capillary material selected from the group consisting of cardboard, a rigid fleece material, a gauze sheet and tissue paper attached to and covering the sheet material (28, 30, 32).14. Method according to claim 12, further comprising the step of:cutting out at least one opening in at least in those areas of the sheet: material (28, 30, 32) where the screen shape (29′) is located. 15. Method according to claim 14, further comprising the step of:attaching at least one sheet of air permeable capillary material (34) to the sheet material (28, 30, 32) after cutting the at least one opening (33). 16. Refill (25) for a dispenser for volatile liquids (27) comprising a reservoir (26) containing the liquid (27), an outlet opening (36) and a shaft receiving passage (21) extending from the outlet opening (36) inward suitable for receiving the elongated shaft (2, 2′, 8, 14) of the transfer unit of claim 1.17. Refill (25) according to claim 16, wherein, when the enlongated shaft (2, 2′, 8, 14) is introduced into the shaft receiving passage (21), the bottom portion of the elongated shaft (2, 2′, 8, 14) is in contact with the liquid (27) and the screen (3, 9, 15) extends above the refill (25) and is exposable to an air flow.18. Refill (25) according to claim 17, wherein the shaft receiving passage (21) comprises a sleeve (23) dimensioned to receive an elongated shaft (2, 2′, 8, 14) and made of a material impermeable to the liquid (27).19. Refill (25) according to claim 18, wherein the sleeve (23) is dimensioned to tightly embrace the elongated shaft (2, 2′, 8, 14) down to or close to its bottom portion (20).20. Refill (25) according to claim 19, wherein the shaft receiving passage (21) comprises a seal (24) isolating the liquid (27) in the reservoir (26) from the outlet opening.21. A dispenser comprising a refill (25) comprised of:(1) a refill (25) for a dispenser for volatile liquids (27) comprising a reservoir (26) containing the liquid (27), an outlet opening (36) and a shaft receiving passage (21) extending from the outlet opening (36) inward suitable for receiving the elongated shaft (2, 2′, 8, 14) of the transfer unit of claim 1; and (2) the transfer unit of claim 1.