EP0836581A1 - Abfüllventil mit laminarer ströming - Google Patents

Abfüllventil mit laminarer ströming

Info

Publication number
EP0836581A1
EP0836581A1 EP96924915A EP96924915A EP0836581A1 EP 0836581 A1 EP0836581 A1 EP 0836581A1 EP 96924915 A EP96924915 A EP 96924915A EP 96924915 A EP96924915 A EP 96924915A EP 0836581 A1 EP0836581 A1 EP 0836581A1
Authority
EP
European Patent Office
Prior art keywords
valve
tubular body
annular space
flow
filling spout
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
EP96924915A
Other languages
English (en)
French (fr)
Other versions
EP0836581B1 (de
Inventor
André Graffin
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.)
Serac Group SAS
Original Assignee
Serac Group SAS
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 Serac Group SAS filed Critical Serac Group SAS
Publication of EP0836581A1 publication Critical patent/EP0836581A1/de
Application granted granted Critical
Publication of EP0836581B1 publication Critical patent/EP0836581B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/286—Flow-control devices, e.g. using valves related to flow rate control, i.e. controlling slow and fast filling phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/281—Profiled valve bodies for smoothing the flow at the outlet of the filling nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C2003/2671—Means for preventing foaming of the liquid

Definitions

  • the invention relates to a filling spout and, in particular although not exclusively, to a filling spout for a weight metering machine.
  • document FR-2 688 196 discloses a filling spout producing a jet of liquid at high flow rate in laminar regime.
  • This spout comprises a tubular body and a calibrating member movable inside the body between a low position in which it closes a body orifice 10 and a high position in which it allows the flow of the liquid.
  • a conical inner wall portion of the tubular body adjacent to the flow port and a conical sizing portion of the sizing member define between them an annular space of decreasing section up to the flow port.
  • This annular space has a sufficient length relative to the width of the annular space taken in a radial direction at the level of the flow orifice to obtain a laminar flow even for high flow rates.
  • a calibration member having a low taper that is to say the angle of the lateral surface with respect to the axis is small.
  • the calibration part comes to bear on the edge of the flow orifice to ensure the closure of the spout.
  • a small taper of the calibration part implies a large stroke of the calibration member to obtain full opening of the filling spout.
  • a large stroke of the calibrating member is incompatible with the control devices usually used to adjust the position of the calibrating member.
  • An object of the invention is to propose a filling spout producing a jet at high flow rate
  • a filling spout comprising a tubular body having a calibration portion and terminated by a flow orifice, and a movable valve inside the tubular body and having a conical sizing part followed by an end part having a section decreasing more rapidly than the sizing part, the sizing part of the tubular body and the sizing part of the valve delimiting between them an annular space of decreasing section towards the flow orifice of the tubular body, this annular space having, relative to the width taken in a radial direction at a lower end of the annular space, a length sufficient to obtain a laminar flow in the annular space in which the calibration portion of the valve has a lower end having a radius greater than the radius of the flow orifice.
  • the strong decrease in the section of the terminal part allows a maximum flow rate to be obtained with a short stroke of the valve and it has been found that, surprisingly, the increase in section which results immediately upstream from the orifice flow did not destroy the laminar flow regime obtained by the calibration part.
  • the invention thus achieves a compromise between the conditions for optimum flow and industrial constraints.
  • the filling spout comprises a tubular body 2 having a flow orifice 3 for the outlet of the liquid to be packaged.
  • the spout further comprises a valve 4 movable inside the tubular body along a vertical axis 6 thereof.
  • the left half of the figure shows the valve 4 in the low position in a position for closing the lower orifice 3.
  • the right half of the figure shows the valve in the high position in a position allowing the maximum flow of the liquid to be conditioned .
  • the tubular body 2 comprises a conical calibration part 8.
  • the valve 4 comprises a conical calibration part 10 of the same conicity as the calibration part 8.
  • These two parts 8 and 10 define between them an annular space of decreasing section in the direction of the flow orifice 3.
  • This annular space has a length L along the axis 6, preferably at least equal to approximately eight times the width 1 . of a lower end of the annular space taken in a radial direction.
  • the tubular body 2 has a terminal part 12 adjacent to the lower orifice 3.
  • the valve 4 has a terminal part 14, conical in the illustrated embodiment and having a taper greater than that of the calibration part 10 of the body tubular 2.
  • the end part 14 forms an angle of 60 ° with the axis while the conical calibration part 10 forms an angle of 16 ° with the axis.
  • the radius R of the calibration part 10 at the lower end of the annular space is greater than the radius r of the flow orifice 3 of the tubular body so that the end part 14 closes the lower orifice 3 when it comes into contact with the terminal part 12 of the body 2.
  • the taper of the end portion 14 is calculated so that at the end of the opening stroke this end portion is completely contained inside the tubular body without protruding from the flow orifice 3 and the calibration part 12 has a curved S-shaped profile along a section through an axial plane. This profile has two opposite curvatures, a concave upper curvature contiguous to the conical calibration part 8, and a convex lower curvature adjacent to the flow orifice 3.
  • the terminal part of the valve may have a shape other than conical, for example a curved profile along the curved profile of the end part of the tubular body 2.
  • the end part of the tubular body 2 may have a conical shape whose taper may be close to or identical to the taper of the terminal part of the valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Lift Valve (AREA)
  • Sampling And Sample Adjustment (AREA)
EP96924915A 1995-07-05 1996-07-02 Abfüllventil mit laminarer strömung Expired - Lifetime EP0836581B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9508104 1995-07-05
FR9508104A FR2736338B1 (fr) 1995-07-05 1995-07-05 Bec de remplissage a ecoulement laminaire
PCT/FR1996/001023 WO1997002206A1 (fr) 1995-07-05 1996-07-02 Bec de remplissage a ecoulement laminaire

Publications (2)

Publication Number Publication Date
EP0836581A1 true EP0836581A1 (de) 1998-04-22
EP0836581B1 EP0836581B1 (de) 1999-01-27

Family

ID=9480698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96924915A Expired - Lifetime EP0836581B1 (de) 1995-07-05 1996-07-02 Abfüllventil mit laminarer strömung

Country Status (6)

Country Link
EP (1) EP0836581B1 (de)
BR (1) BR9609437A (de)
DE (1) DE69601469T2 (de)
ES (1) ES2128868T3 (de)
FR (1) FR2736338B1 (de)
WO (1) WO1997002206A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010562C2 (nl) * 1998-11-16 2000-05-17 Stork Bp & L Bv Vulklep.
ES2307366B1 (es) 2006-01-20 2009-09-18 Antonio Mengibar, S.A. Cabezal de llenado de bajo numero de reynolds.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1242592B (it) * 1990-10-12 1994-05-16 Azionaria Costruzioni Acma Spa Dispositivo dosatore-erogatore per macchine riempitrici.
US5137187A (en) * 1991-02-20 1992-08-11 H.G. Kalish Anti-spray fluid dispensing nozzle
FR2688196B1 (fr) * 1992-03-03 1994-04-29 Serac Group Bec de remplissage.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9702206A1 *

Also Published As

Publication number Publication date
EP0836581B1 (de) 1999-01-27
DE69601469T2 (de) 1999-08-19
FR2736338B1 (fr) 1997-08-29
FR2736338A1 (fr) 1997-01-10
ES2128868T3 (es) 1999-05-16
BR9609437A (pt) 1999-07-27
WO1997002206A1 (fr) 1997-01-23
DE69601469D1 (de) 1999-03-11

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