EP0806249A2 - Pompe à main - Google Patents

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Publication number
EP0806249A2
EP0806249A2 EP97107573A EP97107573A EP0806249A2 EP 0806249 A2 EP0806249 A2 EP 0806249A2 EP 97107573 A EP97107573 A EP 97107573A EP 97107573 A EP97107573 A EP 97107573A EP 0806249 A2 EP0806249 A2 EP 0806249A2
Authority
EP
European Patent Office
Prior art keywords
pump
shaft
housing
piston
dispenser head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97107573A
Other languages
German (de)
English (en)
Other versions
EP0806249A3 (fr
EP0806249B1 (fr
Inventor
Peter Gluth
Bernhard Jasper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Dortmund GmbH
Original Assignee
Seaquist Perfect Dispensing GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seaquist Perfect Dispensing GmbH filed Critical Seaquist Perfect Dispensing GmbH
Publication of EP0806249A2 publication Critical patent/EP0806249A2/fr
Publication of EP0806249A3 publication Critical patent/EP0806249A3/fr
Application granted granted Critical
Publication of EP0806249B1 publication Critical patent/EP0806249B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position

Definitions

  • the invention relates to a hand-operated pump for dispensing liquids, in particular washing lotions for cleaning the human body, with a dispenser head which can be moved between a rest position and an actuation position and with means for preventing the movement of the dispenser head both in the rest position and in the actuation position according to the preamble 1.
  • a hand-operated pump of this type is known from the European patent application 95 10 5385.9.
  • a typical, hand-operated pump consists of a pump housing with a pump cylinder for receiving a reciprocating piston which is arranged displaceably in the pump cylinder.
  • the pump is provided with a suction pipe and can be mounted on a container for sucking up liquid contained in the container.
  • a pump shaft extends from the pump housing and is connected to the piston, a spring holding the piston and the pump shaft under tension in the direction of the extended rest position of the pump shaft.
  • the dispenser head is attached to the pump shaft.
  • a plurality of one-way valves are disposed within the pump housing so that the liquid in the container can be dispensed from the dispensing opening by reciprocating the dispensing head between the rest position and the actuating or working position.
  • a locking device is provided with which the pump shaft can be locked in order to dispense the liquid from the pump during the transport or the like. to prevent. Locking is possible both in the rest position and in the working position of the pump shaft.
  • the order of the steps for locking the pump in the rest position is identical to the order of the steps for locking the pump in the working position. It only needs a 90 ° turn of the dispenser head to lock or unlock the pump.
  • the locking device is arranged in the pump housing. The manufacturer therefore has the choice of sending the product with the dispenser head either in the rest position or in the actuation position.
  • the object of the invention is to improve a hand-operated pump of the type described above in such a way that the liquid contained in the container or liquid residues already present in the pump cylinder are protected from contamination or other quality losses.
  • the invention solves this problem by the claim 1 included features.
  • FIG. 1 is a central longitudinal section of a hand-operated pump 10 with a dispenser head 60, which is in an extended rest or starting position, 61 being a permanent overlap area between the dispenser head 60 and a pump housing 30, which is provided as splash water protection.
  • Fig. 2 is a cross-section along the line 2-2 in Fig. 1.
  • Fig. 3 is a central longitudinal section similar to Fig. 1, with the dispenser head 60 arranged in the retracted working or pumping position so that the overlap area 61 is between the dispenser head 60 and the pump housing 30 is enlarged accordingly.
  • FIG. 4 is a cross section along line 4-4 in FIG. 3.
  • the pump housing 30 has a first, outer housing end 31 and a second, inner housing end 32, a pump cylinder 34 with a pump cylinder wall 36 extending between the two housing ends 31, 32.
  • the pump housing 30 is provided with a radially outwardly extending flange 38 which forms a unit with the pump housing.
  • a ventilation opening 39 extends through the pump cylinder wall 36 of the pump housing 30.
  • a closure 40 has a central opening 42 through which the first housing end 31 of the pump housing 30 extends.
  • the closure 40 has an internal thread 44, with which the closure 40 can be fastened on an external thread of a container neck in the usual and therefore not shown manner.
  • the first housing end 31 extends through the opening 42 of the closure 40.
  • a sleeve 70 is arranged inside the pump cylinder 34, which has a cylindrical inner wall 71.
  • a cylindrical outer wall 72 of the sleeve 70 is provided with annular latching elements 74, which interact with annular groove-shaped latching elements 75 on the cylinder wall 36 of the pump housing 30 in the sense of a tight fastening of the sleeve 70 in the pump housing 30.
  • An annular collar 76 is an integral part of the sleeve 70 and overlaps the first housing end 31 of the pump housing 30. The annular collar 76 also holds the closure 40 in position between the flange 38 and the annular collar 76.
  • the connection of a plurality of these annular bead-shaped or annular groove-shaped latching elements 74 or 75 of the sleeve 70 or the pump housing 30, which are provided at an axial distance, is axially adjustable.
  • the sleeve 70 extends in Fig. 1 with a projecting from the pump housing 30, cylindrical end 73 beyond the ring collar 76 outwards or upwards in the direction of the dispenser head 60 and at a radial distance between the inner wall 71 of the sleeve 70 and Outer wall of a pump shaft 50 to form a cylindrical annular space or gap 25.
  • the pump shaft 50 has a first shaft end 51 that extends out of the pump housing 30 and a second shaft end 52 that extends into the pump housing 30.
  • An axial through-channel 54 connects the two open shaft ends 51, 52 of the pump shaft 50.
  • the first shaft end 51 carries the dispenser head 60, which has an outlet opening 62 which is connected to the through-channel 54 of the pump shaft 50.
  • the first shaft end 51 engages in a tubular connecting piece 63 provided with a through opening 64 on the pump housing 30 facing underside of the dispenser head 60 preferably with a friction fit.
  • the passage opening 64 is connected to the outlet opening 62 through an outlet channel 62A of the dispenser head 60.
  • the tubular connecting piece 63 is surrounded at a radial distance to form a free, cylindrical intermediate space 67 by a cylindrical sealing cap 65, which extends in the direction of the pump housing 30 coaxially to the pump shaft 50 beyond the lower end of the connecting piece 63.
  • the inner diameter of this cap 66 of the dispenser head 60 is slightly larger than the outer diameter of the outer end 73 of the sleeve 70, so that the sealing cap 65, the outer sleeve end 73 not only in the upper starting or rest position of the pump shaft 50 and of the dispenser head 60, but covers the same in each stroke position, sealingly and displaceably.
  • the cylindrical intermediate space 67 between the connecting piece 66 and the sealing cap 65 of the dispenser head 60 is approximately adapted to the cross section of the outer end 73 of the sleeve 70 such that the intermediate space 67 forms a guide channel 68 which is open at the bottom for the upper sleeve end 73 in the pump head 60 .
  • the connecting piece 66 can engage in the region of the pump stroke end position in an opening 69 of the outer end 73 of the sleeve 760.
  • the intermediate space 67 between the connecting piece 66 and the sealing cap 65 of the dispenser head 60 is approximately matched to the cross section of the outer end 73 of the sleeve 70 such that the intermediate space 67 forms a guide channel 68 in the pump head 60 and the connecting piece 66 in the area of the pump stroke End position can engage in an opening 69 of the outer end 73 of the sleeve 70.
  • a suction pipe 78 is fastened by means of a friction seat in a receiving opening 79 in the second, lower housing end 32 of the pump housing 30.
  • the suction pipe 78 establishes the liquid adhesive connection between the liquid contained in the container and the pump cylinder 34 of the pump housing 30.
  • a first one-way valve 80 is arranged near the second housing end 32 of the pump housing 30 in order to admit the liquid flow from the container only into the pump cylinder 34 of the pump housing 30.
  • the first one-way valve 80 comprises a valve seat 82, which is shown as a cylindrical valve seat and forms a unit with the pump housing 30, and a movable valve 84 for sealing the valve seat 82.
  • the valve 84 is designed here as a ball valve.
  • a spring 90 presses the valve 84 in a sealing manner against the valve seat 82 under prestress.
  • the spring 90 is a coil spring with a first section 91, a second section 92 and an intermediate section 93.
  • the intermediate section 93 of the coil spring 90 is opposite the second section 92 of the coil spring 90 a smaller diameter.
  • the diameter of the second section 92 is sufficient to enable the valve 84 to move linearly within the second section 92 of the spring 90. Of the The diameter of the intermediate section 93 of the spring 90 is sufficiently small to grip the valve 84.
  • the second section 92 of the spring 90 holds the valve 84 in the second section 92 of the spring 90, while the intermediate section 93 of the spring 90 prestresses the valve 84 against the valve seat 82 in a sealing manner.
  • the second shaft end 52 of the pump shaft 50 has a narrower shaft end 100 which receives the first section 91 of the spring 90 for pretensioning the pump shaft 50 in its rest position.
  • the passage channel 54 of the pump shaft 50 ends in the region of a plurality of inlet openings 101, 102, 103 to the passage channel 54, which are arranged in a shaft recess 106 near the second shaft end 52 of the pump shaft 50.
  • the shaft recess 106 is arranged between an annular shaft bead 108 of the pump shaft 50, which has a diameter 108D, and a shaft shoulder 109.
  • First and second shaft valve seats 111 and 112 are provided in the pump shaft 50.
  • the first stem valve seat 111 is formed by the stem shoulder 109 of the pump stem 50.
  • the second shaft valve seat 112 consists of the annular bead 108 of the pump shaft 50.
  • a piston 120 is slidably disposed within the pump cylinder 34 of the pump housing 30 and therefore divides the pump cylinder 34 into two halves, namely a first, upper pump cylinder 34A and a second, lower pump cylinder 34B.
  • the piston 120 has a substantially rigid, cylindrical portion 122 with a central opening 124.
  • An annular shoulder of the piston 120 extends into the central opening 124 and has an inner shoulder diameter 126D.
  • a first and second piston valve surface 128 and 129 are arranged on the piston 120 and cooperate with the first and second shaft valve seats 111 and 112, respectively.
  • the first piston valve surface 128 consists of a Inner surface of the essentially rigid piston part 122, while the second piston valve surface 129 is formed by the annular bead 108 of the piston 120.
  • a first and a second sealing jacket 131 and 132 form a unit with the piston 120 by means of an annular piston carrier 134.
  • the first and second sealing jacket 131, 132 are tapered towards their ends 131A and 132A, which abut against the pump cylinder wall 36 and a sliding seal form between the piston 120 and the inner cylinder wall 36 of the pump cylinder 34.
  • the outer diameter of the annular shaft diameter 108D of the shaft bead 108 is slightly larger than the inner diameter of the ring shoulder diameter 126D of the piston ring shoulder 126 of the piston 120.
  • the shaft bead 108 can be inserted into the central opening 124 of the piston 120 with force and through the Piston bead are moved through.
  • the largely rigid, cylindrical part 122 of the piston 120 is deformed to such an extent that the shaft bead 108 can be moved past the inner annular shoulder 126 of the piston 120.
  • the piston 120 is held displaceably within the shaft recess 106 of the pump shaft 50.
  • a second one-way valve 140 includes the first and second stem valve seats 111 and 112 of the pump shaft 50 which cooperate with the first and second piston valve surfaces 128 and 129 of the piston 120.
  • the piston 120 is slidably supported within the shaft recess 106 of the pump shaft 50, so that the first and second shaft valve seats 111 and 112 of the pump shaft 50 can bear against the first and second piston valve surfaces 128 and 129 of the piston 120, respectively. If the piston 120 within the Shaft recess 106 of the pump shaft 50 slides, the piston 120 can either cover or expose the inlet openings 101-103 of the through-channel 54 in order to open or close the fluid connection to the through-channel 54.
  • the first piston valve surface 128 of the piston 120 forms a sliding seal with respect to the first shaft valve seat 111.
  • the spring 90 biases the second stem valve seat 112 of the pump stem 50 into abutment against the second piston valve surface 129 of the piston 120 to force the flow of the liquid 12 from the second pump cylinder 34B into the stem channel 54 of the pump stem 50 prevent.
  • the friction fit between the outer ends 131A, 132A of the first and second seal sleeves 131, 132 and the pump cylinder wall 36 initially immobilizes the piston 120 with respect to the pump housing 30.
  • second shaft valve seat 112 of pump shaft 50 is displaced by second piston valve surface 129 of piston 120, so that the liquid can flow between second pump cylinder 34B and shaft channel 54 of pump shaft 50.
  • the spring 90 moves the pump shaft 50 toward the extended position shown in FIG. 1.
  • the friction fit between the outer ends 131A and 132A of the first and second Seal sleeves 131 and 132 and the pump cylinder wall 36 initially immobilize the piston 120 with respect to the pump housing 30.
  • the first stem valve seat 111 of the pump shaft 50 slidably seals the first piston valve surface 128 of the piston 120 to prevent the liquid from flowing between the second pump cylinder 34B and the shaft channel 54 of the pump shaft 50.
  • the second stem valve seat 112 of the pump stem 50 moves against the second piston valve surface 129 of the piston 120 as shown in FIG. 1 to prevent the liquid from being released the second pump cylinder 34B flows into the shaft channel 54.
  • FIG. 5 and 6 show the operation of the pump 10.
  • FIG. 5 shows the pump shaft 50 in motion towards the second housing end 32 of the pump housing 30 by the external force of an operator
  • FIG. 6 shows the pump shaft 50 on its return to the first housing end 31 of the pump housing 30 under the action of the spring 90.
  • the pump shaft 50 moves to the second housing end 32 of the pump housing 30 and the pump shaft 50 moves with respect to the piston 120.
  • the second spool valve seat 112 is moved from the second piston valve surface 129 to open the inlet openings 101-103 of the stem channel and the first stem valve seat 111 maintains the sliding seal against the first piston valve surface 128 to prevent the liquid from flowing out of the second pump cylinder 34B into the first pump cylinder 34A.
  • the first one-way valve 80 remains in the closed position, with the movable valve 84 sealing the valve seat 82.
  • Movement of the pump shaft 50 to the second housing end 32 of the pump housing 30 reduces the volume of the second pump cylinder 34B to pump liquid within the second pump cylinder 34B into the shaft channel 54 of the pump shaft 50, as shown by the arrows in FIG. 5.
  • the liquid is pumped to the first shaft end 51 and through the outlet channel 62A for delivery from the outlet opening 62.
  • the piston 120 exposes the ventilation opening 39, which extends through the pump cylinder wall 36 of the pump housing 30.
  • the ventilation opening 39 enables the container 20 to be vented from the atmosphere along the annular space 25 between the pump shaft 50 and the pump cylinder wall 36 and the inner wall 71 of the sleeve 70.
  • FIG. 6 shows the pump shaft 50 returning to the first housing end 31 of the pump housing 30 under the action of the spring 90.
  • the pump shaft 50 moves to the first housing end 31 of the pump housing 30 and the like Pump shaft 50 moves with respect to piston 120.
  • First stem valve seat 111 maintains a sliding seal with respect to first piston valve surface 128 and closes the inlet openings 101, 103 of the stem channel.
  • the second stem valve seat 112 moves against the second piston valve surface 129 to prevent the liquid from flowing out of the pump cylinder 34B into the stem channel 54 of the pump stem 50.
  • the piston 120 covers the ventilation opening 139, which extends through the pump cylinder wall 36 of the pump housing 30.
  • the movement of the pump shaft 50 to the first housing end 31 of the pump housing 30 increases the volume of the second pump cylinder 34B, so that the internal pressure prevailing therein is reduced.
  • the reduced internal pressure in the second pump cylinder 34B causes the movable valve 84 to disengage from the sealing abutment on the valve seat 82 to open the first one-way valve 80.
  • the opened first one-way valve 80 allows the liquid in the container 20 to enter the second pump cylinder 34B through the suction pipe 78, as shown by arrows in FIG. 6.
  • the pump 10 includes a locking device 150 for locking the dispenser head 60 in the extended position shown in FIG. 1 and for locking the dispenser head 60 in the pump stroke end position in FIG. 3.
  • the locking device 150 includes first and second locking cams 151 and 151A, which are extend radially outward from the pump shaft 50.
  • the locking device 150 further includes first and second locking blocks 161 and 161A that extend radially outward with respect to the pump cylinder 34 of the pump housing 30.
  • the first and second locking blocks 161 and 161A extend radially inward from the cylindrical wall 71 of the inner sleeve 70.
  • FIG. 7 is an isometric view, partially broken away, of a portion of the inner sleeve 70 in FIG. 2 showing the first locking block 161, the second locking block 161A being a mirror image of the same.
  • the first locking block 161 forms a first and a second locking block surface 171 and 172.
  • Each of the first and second locking blocks 161 and 161A extends in the circumferential direction over an angle of approximately 90 ° around the inner sleeve 70.
  • a first and a second space 201 and 202 becomes formed between the first and second lock blocks 161 and 161A.
  • First stops 181 and 181A extend radially inward and axially towards the first housing end 31 of the pump housing 30 to limit the rotation of the pump shaft 50 when the dispenser head 60 is in the protruding position.
  • Second stops 182 and 182A extend radially inward and axially toward the second housing end 32 of the pump housing 30 to limit the rotation of the pump shaft 50 when the dispenser head 60 is in the retracted position.
  • FIG. 8 is a partially broken, isometric view of a portion of a pump shaft 50 in FIG. 2 showing the first and second locking cams 151 and 151A extending radially outward from the pump shaft 50.
  • the first and second locking cams 151 and 151A serve to move through the first and second spaces 201 and 202 to avoid the first and second locking blocks 161 and 161A.
  • FIG. 9 is a cross-section along line 9-9 in FIG. 1 with the pump shaft 50 arranged in an operating position that enables the liquid to be dispensed from the container 20.
  • 10 is a central longitudinal section along line 10-10 in FIG. 9, while FIG. 11 is a partially broken away isometric top view of FIG. 9.
  • the dispenser head 60 is shown rotated, the first and second locking cams 151 and 151A of the pump shaft 50 being moved out of the direction of escape to the first and second locking blocks 161 and 161A.
  • the first and second locking cams 151 and 151A are shown in alignment with the first and second spaces 201 and 202 so that the first and second locking cams 151 and 151A can be moved through the first and second spaces 201 and 202, respectively.
  • the pump shaft 50 can move between the extended position and the retracted position can be moved back and forth to pump the liquid from the container 20 through the outlet opening 62.
  • FIG. 12 is a cross section similar to FIG. 9 with the pump shaft 50 locked in the extended position to prevent movement of the dispenser head 60.
  • Fig. 13 is a central longitudinal section along line 13-13 in Fig. 12, while Fig. 14 is a partially broken, isometric top view of Fig. 12.
  • the dispenser head 60 is shown rotated in the extended position with the first and second locking cams 151 and 151A of the pump shaft 50 aligned with the first and second locking blocks 161 and 161A.
  • the first and second locking cams 151 and 151A are shown aligned with the first locking block surfaces 171 and 171A to prevent movement of the dispenser head 60 toward the second housing end 32 of the pump housing 30.
  • the first stops 181 and 181A limit a clockwise rotation in FIG. 12 after the first and second locking cams 151 and 151A of the pump shaft 50 are struck against the first stops 181 and 181A, respectively.
  • the first and second locking cams 151 and 151A of the pump shaft 50 are shown as displaced by the first stops 181 and 181A for the sake of a clear representation in the various figures of the drawings.
  • the dispenser head 60 When an operator desires to return the pump 10 to the work position shown in FIGS. 9 through 11, the dispenser head 60 is rotated counterclockwise in FIG. 12.
  • the first and second locking cams 151 and 151A of the pump shaft 50 abut the first stops 181A and 181, respectively, to limit the counterclockwise rotation of the pump shaft 50 and the first and second locking cams 151 and 151A to be aligned with the first and second spaces 201 and 202.
  • first and second locking cams 151 and 151A When the first and second locking cams 151 and 151A are aligned with the first and second spaces 201 and 202, the first and second locking cams 151 and 151A can be moved through the first and second spaces 201 and 202 to cause the pump shaft 50 to reciprocate can be used to pump the liquid from the container 20 through the outlet opening 62.
  • FIG. 15 is a cross section similar to FIG. 9 with the pump shaft 50 locked in the retracted position to prevent movement of the dispenser head 60.
  • 16 is a central longitudinal section along line 16-16 in FIG. 15, while FIG. 17 is a partially broken away isometric bottom view of FIG. 15.
  • the dispenser head 60 is shown rotated in the retracted position, the first and second locking cams 151 and 151A of the pump shaft 50 being aligned with the first and second locking blocks 161 and 162.
  • the first and second locking cams 151 and 151A are shown aligned with the second locking surfaces 172 and 172A to prevent movement of the dispenser head 60 in the direction of the first housing end 31 of the pump housing 30.
  • the second stops 182 and 182A limit a clockwise rotation in FIGS. 12-14 after the first and second locking cams 151 and 151A of the pump shaft 50 strike the second stops 182 and 182A, respectively.
  • the dispenser head 60 When an operator desires to return the pump 10 to the working position shown in FIGS. 9 through 11, the dispenser head 60 is rotated counterclockwise in FIG. 15.
  • the first and second locking cams 151 and 151A of the pump shaft 50 each abut the second stops 182A and 182, to limit the counterclockwise rotation of the pump shaft 50 and to align the first and second locking cams 151 and 151A with the first and second spaces 201 and 202.
  • the first and second locking cams 151 and 151A can be moved through the first and second spaces 201 and 202 to cause the pump shaft 50 to reciprocate can be used to pump the liquid from the container through the outlet opening 62.
  • the pump according to the invention prevents through the described overlap area 61 between the dispenser head 60 and the outer sleeve end 73 in any position of the pump shaft 50 from penetration of foreign substances or liquids from the outside, which leads to a reduction in quality or contamination of those equipped with the pump Containers can contain liquid.
  • the functionality of the pump is retained, which can easily be blocked either in the extended starting position or in the retracted pump stroke end position.
EP97107573A 1996-05-09 1997-05-07 Pompe à main Expired - Lifetime EP0806249B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19618711 1996-05-09
DE19618711A DE19618711B4 (de) 1996-05-09 1996-05-09 Handbetätigte Pumpe

Publications (3)

Publication Number Publication Date
EP0806249A2 true EP0806249A2 (fr) 1997-11-12
EP0806249A3 EP0806249A3 (fr) 1998-08-12
EP0806249B1 EP0806249B1 (fr) 2000-10-04

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ID=7793859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107573A Expired - Lifetime EP0806249B1 (fr) 1996-05-09 1997-05-07 Pompe à main

Country Status (2)

Country Link
EP (1) EP0806249B1 (fr)
DE (2) DE19618711B4 (fr)

Cited By (10)

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US6061324A (en) * 1996-10-23 2000-05-09 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
EP0953381A3 (fr) * 1998-04-30 2001-03-07 Calmar-Monturas, S.A. Distributeur à pompe pour fluides
EP1125864A2 (fr) * 2000-02-19 2001-08-22 Ing. Erich Pfeiffer GmbH Distributeur pour milieux
AU739934B2 (en) * 1998-04-30 2001-10-25 Calmar-Monturas, S.A. Fluid pump dispenser
EP1266696A1 (fr) * 2001-06-13 2002-12-18 Taplast S.p.A. Pompe à soufflet pour la distribution de mélanges gaz-liquide
WO2004041047A2 (fr) * 2002-11-04 2004-05-21 Kimberly-Clark Worldwide, Inc. Pompe distributrice de liquide visqueux
WO2005042172A1 (fr) * 2003-10-31 2005-05-12 Seaquist Perfect Dispensing Gmbh Pompe de distributeur
ITRM20090660A1 (it) * 2009-12-15 2011-06-16 Emsar Spa Dispenser
CN104307663A (zh) * 2014-07-14 2015-01-28 李先强 一种手持液体按压喷射器
CN116060270A (zh) * 2021-11-01 2023-05-05 苏州卓兆点胶股份有限公司 用于中高粘度胶水的点胶方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922340C1 (de) * 1999-05-14 2001-01-25 Seaquist Perfect Dispensing Handbetätigte Pumpe
EP1052025B1 (fr) 1999-05-14 2005-02-16 Seaquist Perfect Dispensing GmbH Pompe à actionnement manuel
DE102007001777A1 (de) 2007-01-05 2008-07-10 Beiersdorf Ag Handpumpe mit Bypass zur direkten Entnahme eines Fluids
DE102009022211A1 (de) 2009-05-20 2010-12-02 Heinrich, Hans-Werner, Prof. Dr. Misch- und Abgabevorrichtung

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US4050613A (en) * 1976-08-31 1977-09-27 Corsette Douglas Frank Manual actuated dispensing pump
US4503996A (en) * 1981-12-16 1985-03-12 Ceskoslovenska Akademie Ved Liquid atomizer having a double-acting pump
US4728009A (en) * 1983-12-14 1988-03-01 Schmidt Karl Heinz Spray pump with container connector
US5405057A (en) * 1993-10-21 1995-04-11 Moore; David G. Manually actuated pump
JPH08103701A (ja) * 1994-09-30 1996-04-23 Yoshino Kogyosho Co Ltd 液体吐出器の押下げヘッド

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IT8221773V0 (it) * 1982-05-04 1982-05-04 Sar Spa Pompetta a mano con cappuccio erogatore vincolabile in posizione abbassata, per l'erogazione di sostanze fluide.
DE9318998U1 (de) * 1993-12-10 1994-01-27 Emmerich Fritz Dispenserpumpe

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Publication number Priority date Publication date Assignee Title
US4050613A (en) * 1976-08-31 1977-09-27 Corsette Douglas Frank Manual actuated dispensing pump
US4503996A (en) * 1981-12-16 1985-03-12 Ceskoslovenska Akademie Ved Liquid atomizer having a double-acting pump
US4728009A (en) * 1983-12-14 1988-03-01 Schmidt Karl Heinz Spray pump with container connector
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Cited By (23)

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US6118749A (en) * 1996-10-23 2000-09-12 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
US6243349B1 (en) 1996-10-23 2001-06-05 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
US6400672B2 (en) 1996-10-23 2002-06-04 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
US6061324A (en) * 1996-10-23 2000-05-09 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
EP0953381A3 (fr) * 1998-04-30 2001-03-07 Calmar-Monturas, S.A. Distributeur à pompe pour fluides
AU739934B2 (en) * 1998-04-30 2001-10-25 Calmar-Monturas, S.A. Fluid pump dispenser
EP1125864A2 (fr) * 2000-02-19 2001-08-22 Ing. Erich Pfeiffer GmbH Distributeur pour milieux
EP1125864A3 (fr) * 2000-02-19 2003-11-26 Ing. Erich Pfeiffer GmbH Distributeur pour milieux
CN1296142C (zh) * 2001-06-13 2007-01-24 泰普勒斯特股份公司 用于输送气－液混合物的波纹管式泵
EP1266696A1 (fr) * 2001-06-13 2002-12-18 Taplast S.p.A. Pompe à soufflet pour la distribution de mélanges gaz-liquide
WO2002100554A1 (fr) * 2001-06-13 2002-12-19 Taplast Spa Pompe a soufflet pour la distribution de melange gaz-liquide
US7246723B2 (en) 2001-06-13 2007-07-24 Taplast Spa Bellows pump for delivery of gas-liquid mixtures
WO2004041047A2 (fr) * 2002-11-04 2004-05-21 Kimberly-Clark Worldwide, Inc. Pompe distributrice de liquide visqueux
WO2004041047A3 (fr) * 2002-11-04 2004-08-26 Kimberly Clark Co Pompe distributrice de liquide visqueux
WO2005042172A1 (fr) * 2003-10-31 2005-05-12 Seaquist Perfect Dispensing Gmbh Pompe de distributeur
US7819291B2 (en) 2003-10-31 2010-10-26 Seaquist Perfect Dispensing Gmbh Dispenser pump
ITRM20090660A1 (it) * 2009-12-15 2011-06-16 Emsar Spa Dispenser
WO2011074024A1 (fr) * 2009-12-15 2011-06-23 Emsar S.P.A. Distributeur
CN102655943A (zh) * 2009-12-15 2012-09-05 埃姆萨股份公司 分配器
US8690023B2 (en) 2009-12-15 2014-04-08 Emsar S.P.A. Dispenser with liquid film blocking capability
CN102655943B (zh) * 2009-12-15 2015-04-22 埃姆萨股份公司 分配器
CN104307663A (zh) * 2014-07-14 2015-01-28 李先强 一种手持液体按压喷射器
CN116060270A (zh) * 2021-11-01 2023-05-05 苏州卓兆点胶股份有限公司 用于中高粘度胶水的点胶方法

Also Published As

Publication number Publication date
DE19618711B4 (de) 2004-09-23
EP0806249A3 (fr) 1998-08-12
DE19618711A1 (de) 1997-11-13
EP0806249B1 (fr) 2000-10-04
DE59702420D1 (de) 2000-11-09

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