EP0950011A1 - Bouchon avec soupape d'equilibrage de pression pour contenant a liquide - Google Patents

Bouchon avec soupape d'equilibrage de pression pour contenant a liquide

Info

Publication number
EP0950011A1
EP0950011A1 EP98962196A EP98962196A EP0950011A1 EP 0950011 A1 EP0950011 A1 EP 0950011A1 EP 98962196 A EP98962196 A EP 98962196A EP 98962196 A EP98962196 A EP 98962196A EP 0950011 A1 EP0950011 A1 EP 0950011A1
Authority
EP
European Patent Office
Prior art keywords
valve member
bung
pressure compensation
closure according
closure
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
EP98962196A
Other languages
German (de)
English (en)
Other versions
EP0950011B1 (fr
Inventor
Kurt Oberhofer
Karl Batschied
Udo Schreiner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0950011A1 publication Critical patent/EP0950011A1/fr
Application granted granted Critical
Publication of EP0950011B1 publication Critical patent/EP0950011B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1683—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element by actuating a separate element in the container or closure

Definitions

  • the invention relates to a closure with pressure-compensating valve for d 'ie filling a liquid container with a matching in the round opening bung-type socket of soft-elastic material, which engages behind a flange-like outer bearing portion, a the edge of the opening receiving sealingly circumferential sealing part, an the edge of the opening inside has circumferential locking portion and a central opening, and with a manually adjustable valve member, which assumes a sealing closed position and a pressure compensation position in the central opening, in which the interior of the container communicates with the environment.
  • Such a closure is known from DE 42 19 571 C2. It is used for containers in the form of barrels, small barrels (party barrels) or cans in which liquids, especially drinks, are filled under pressure or under pressure. It is especially about party kegs for beer.
  • DE 33 45 619 C2 proposes to construct the sheet pile sleeve from a soft part and a hard part, which surrounds the soft part like a cage and is penetrated by the soft part at the openings between the cage webs.
  • the flange-like outer contact part of the soft part is with a flange on the
  • the hard part is stiffened, and outwardly projecting catches are provided on the hard part.
  • a disadvantage of this bung is its complicated structure, which first requires injection molding of the hard part and then injection molding of the soft part in a second stage. Due to the fact that hard and soft parts alternate over the circumference of the bung, a tightness problem can occur at the edges in between. There are also deposits here that can be accompanied by undesirable bacterial growth.
  • the object of the invention is to provide a closure of the type mentioned with a bung that is reinforced with hard plastic, but has a homogeneous soft surface and is so simplified in construction that manufacturing in two-plastic injection molding technology is possible.
  • the latching section and the reinforcing ring have a hook profile that is the same everywhere over the circumference.
  • the bung of the closure according to the invention is preferably produced in two-plastic injection molding technology.
  • the valve member engages in the closed position and the pressure equalization position on the bung.
  • the valve member can rotate between the closed position and the pressure compensation position in the central opening and / or can be axially displaced.
  • a purely rotary adjustment of the valve member is possible as well as an axial adjustment, wherein pushing the valve member into the sheet pintle or pulling it out of the sheet pintle is equally possible in order to bring the valve member out of the closed position into the pressure compensation position and vice versa.
  • the valve member has at least one handle for rotating and / or pulling out.
  • the handle can be laid flat against the top of the sheet pile. It can come to rest sunk in a recess in the sheet pile in the flat state so that it does not bulge under storage and transport conditions.
  • the recess has an extension which enables the flat handle to be gripped under.
  • the closure has tamper-evident protection, which reveals whether the pressure compensation valve has already been actuated or not.
  • valve member is provided with a highly flexible handle, which has webs is attached to the valve member, which tear off when bending up for the first time.
  • the closure known from DE 42 19 571 C2 has a bung with alternately larger and smaller axial ventilation grooves on the wall of the central opening and a valve member with alternately larger and smaller axial ventilation ribs on the outer jacket.
  • the valve member has locking positions in which mating grooves and ribs are engaged and pressure compensation positions in which mating grooves and ribs are engaged.
  • the object of a preferred embodiment of the invention is a perfectly hygienic, simple and safe-to-use closure which makes it possible to equalize the pressure when the container is full.
  • the bung has a lateral pressure equalization channel, the outer mouth of which is above the liquid level in the fully filled container.
  • the valve member can be limited in rotation from a clearly specified closed position to a clearly specified pressure equalization position and back.
  • the valve member opens in the pressure same position, a flow path from the inner mouth of the pressure equalization channel to the top of the bung, which it shuts off on the inside, covers on the outside and closes tightly on the inside and outside.
  • the valve member has an outer flange that fits into a recess in the bung.
  • a groove leading outward from the central opening is provided on the bottom of the recess.
  • the valve member has a jacket groove which, in the pressure compensation position, connects the inner mouth of the pressure compensation channel with the groove on the bottom of the recess.
  • the flange of the valve member is out of round. It engages in the closed position and the pressure equalization position with a projection on the outside of the bung. In the closed position, the projection covers the outer end of the groove on the bottom of the recess.
  • the valve member is notched over the circumference.
  • the bung has a cam that picks up the notch and comes to a stop at its ends in order to limit the setting angle of the valve member and to specify the closed position and pressure compensation position.
  • the part of the valve member opposite the inner mouth of the pressure compensation channel forms a ramp in the circumferential direction, which ramps in the direction of rotation from the closed position to the pressure compensation position. Thanks to this ramp, the preload of the seal at the inner mouth of the pressure equalization channel is gradually reduced when the valve member is turned from the closed position to the pressure equalization position. This opens up the possibility of a gentle, gradual pressure equalization, and in particular a careful pressure release, for example before the first tap of beer.
  • Figure 1 is a diametrical section through a first sheet pile.
  • Figure 2 is a reinforcement ring of the sheet pile in an axial plan view.
  • Figure 3 is a side view of a valve member seated in the sheet pile can
  • Figure 4 is an axial plan view of the valve member with a view in the direction IV of Fig. 3.
  • 5 shows a diametrical section through the first bung-type bush with the valve member drawn in dashed lines in the closed position, the latter being drawn out separately in side view with the handle bars folded up;
  • FIG. 6 shows a diametrical section through the first bung bush with the valve element shown in dashed lines in the pressure compensation position
  • FIG. 7 shows a diametrical section through a second bung-type bush with the valve element shown in dashed lines in the closed position
  • Figure 8 is a reinforcement ring of the sheet pile in an axial plan view.
  • FIG. 9 is an axial plan view of the sheet pile rifle with a view in the direction IX of FIG. 7;
  • Fig. 10 as a detail, the valve member in side view
  • FIG. 11 shows a diametrical section through the second sheet pile bushing with the valve element shown in dashed lines in the pressure compensation position
  • FIG. 12 shows a diametrical section through a third sheet pile rifle
  • FIG. 14 is an axial plan view of the sheet pile can with a view in the direction XIV of FIG. 12;
  • 15 is a side view of a valve member belonging to the third sheet pile sleeve
  • FIG. 16 is a top view of it looking towards XVI of FIG. 15;
  • FIG. 17 shows a diametrical section through the third bung bush with the valve element shown in dashed lines in the closed position, which is drawn out separately
  • FIG. 18 shows a diametrical section through the third bung bush with the valve element shown in dashed lines in the pressure equalization position, which in turn is drawn out separately, namely rotated through 90 ° in relation to FIG. 17;
  • Figure 19 is a diametrical section through a fourth sheet pintle.
  • FIG. 21 shows an axial plan view of the fourth sheet pile bushing with a view in the direction XXI of FIG. 19;
  • FIG. 22 shows the side view of a valve member belonging to the fourth sheet pile sleeve
  • FIG. 23 is a top view of it looking towards XXIII of FIG. 22;
  • FIG. 24 shows a diametrical section through the fourth bung bush with the valve element shown in dashed lines in the closed position, which is drawn out separately;
  • FIG. 25 shows a diametrical section through the fourth bung bush with the valve element shown in dashed lines in the pressure equalization position, which in turn is drawn out separately, namely rotated through 90 ° in relation to FIG. 24;
  • 26 shows the side view of the valve member of a fifth closure with a pressure compensation valve
  • FIG. 27 shows a top view of the valve member with a view in the direction XXVII of FIG. 26;
  • FIG. 30 shows a reinforcement ring of the sheet piling in an axial top view
  • FIG. 31 shows a top view of the sheet pile can with a view in the direction XXXI of FIG. 29;
  • Fig. 32 is a top plan view of an assembly drawing of the sheet pile and valve member.
  • closures described below serve to tightly close the filling opening of a liquid container.
  • containers are drums, small drums (party drums) or cans in which liquids, in particular drinks, are filled without pressure or under pressure. It is especially about party kegs for beer.
  • the filling opening of such containers is a circular hole located at the top during the filling process.
  • the closure includes a bung 10 made of elastic material, the outside of which is substantially rotationally symmetrical about its central axis and has an outwardly projecting flange 12 with which it bears against the outer wall of the container.
  • the bung 10 extends into the container with an essentially conical taper portion 14.
  • the surface line of the tapering part 14 is curved in an S-shape.
  • the diameter of the bung 10 bounces back, so that an annular groove-shaped sealing part 16 is formed, into which the edge of the filling opening when sealing the bung 10 enters.
  • the diameter widening of the bung 10 inside the sealing section 16 forms a circumferential locking section 18 with a hook profile that is the same everywhere over the circumference.
  • the bung 10 is stiffened in the area of the sealing section 16 and the locking section 18 by a reinforcement ring 20 made of hard plastic and completely embedded therein. On a stiffening of the sheet pile flange 12 is made of green - relieved of the structural simplification.
  • the reinforcing ring 20 has a hook profile that is the same everywhere over the circumference. It is arranged coaxially to the bung 10 and radially corrugated over the circumference. The reinforcement ring 20 thereby has four radial bulges 22, offset by 90 °, on which the overlap with the soft plastic material of the bung 10 is thinner than in between.
  • the container For the removal of liquid, the container has a lower removal opening which is separate from the filling opening. This can be a bung hole that is tapped with a tap fitting or the like, or a tap integrated into the container.
  • the bung 10 is provided with a manually operated pressure compensation valve.
  • the container can be ventilated by means of the pressure compensation valve in order to reduce this negative pressure.
  • the bung 10 has a central opening 24 in which the valve member 26 of the pressure compensation valve sits.
  • the valve member 26 is accessible from the outside for valve actuation. It takes in the central opening 24 of the bung 10 selectively have a sealing closed position or a pressure compensation position, in which the interior of the container communicates with the environment above the liquid level therein.
  • the valve member 26 has a flange 32 on the outside, which in a
  • the valve member 26 has a rotationally symmetrical sealing head 44 at its inner end.
  • the handlebars 46 assume a storage and transport position lying flat against them in the recess 34 of the sheet pile sleeve 10. They are folded up in order to pull the valve member 26 a little out of the bung 10 to actuate the pressure compensation valve.
  • valve member 26 has a sealing seal in the central opening 24 of the bung 10 Final position, in which the sealing head 44 occupies the inner part of the smaller diameter of the central opening 24.
  • the collar 38 of the valve member 26 comes to lie between the annular beads 28, 30 of the bung 10.
  • Ring bead 28 acts with the sealing part 36 of the valve member
  • valve member 26 can be pulled so far out of the bung 10 that the sealing head 44 emerges from the smaller diameter portion of the central opening 24 and the inner annular bead 30 engages in the notches 42 of the valve member 26.
  • the sealing part 36 of the valve member 26 comes free from the outer annular bead 28, so that here an annular gap and a flow path into the interior of the container between the bars 40 of the valve member cross is released.
  • the continuous central opening 24 of the bung 10 is essentially circular-cylindrical and is provided with an annular bead 28, 30 at its inner and outer end.
  • the valve member 26 has a round plate 48 on the outside, the diameter of which corresponds to the clear width of the central opening 24.
  • the inside of the plate 48 is adjoined by a first circular-cylindrical sealing section 50 of smaller diameter, in which the outer annular bead 28 engages.
  • the valve member 26 forms a right-angled cross.
  • the valve member 26 has a second circular-cylindrical sealing part 52 of smaller diameter for the inner annular bead 30 and a flange 56 which bears against the inner end face 54 of the bung 10.
  • the valve member 26 is pressed into the bung 10 to bring it from the closed position to the pressure equalization position. In the latter, the inner annular bead 30 engages in notches on the bar 40 of the valve member cross.
  • valve member 26 has a central grip tab 58, which is attached to the outer plate 48 and extends laterally over the flange 12 of the bung 10 and assumes a storage and transport position lying flat against it in a recess 34 thereof.
  • grip tab 58 straightens up automatically.
  • the bung 10 has a central opening 24 in the form of a conical blind hole which tapers inwards and ends in a circular-cylindrical neck 60 and an essentially circular-cylindrical diameter widening 62.
  • the flange 12 of the sheet pusher 10 has a circular cylindrical recess 34 on the outside and an annular bulge 28 behind it on the inside, which protrudes inward beyond the conical jacket of the central opening 24.
  • a radial bore 64 which penetrates the bung 10 transversely, leads to the conical jacket.
  • the valve member 26 is substantially conical. It has an anchoring head 66 at the inner end which fits into the neck 60 and the diameter extension 62 of the central opening 24. On the outside, the valve member 26 has a flange 32 which fits into the recess 34 of the sheet pile sleeve 10. A circumferential sealing section 36 of smaller diameter adjoins this inside, into which the annular bead 28 of the sheet pile sleeve borders 10 snaps into place.
  • the valve member 26 has an eccentric axial bore 68, which leads to the conical jacket of the sheet pintle 10 and meets the radial bore 64 opening there in a certain angular position of the valve member 26. In order to equalize the pressure, the valve member 26 is rotated into this angular position on a diametrical handle web 70, which is attached to the outside of the flange 32, and brought back into its sealing closed position by turning it back or further.
  • the flange 32 of the valve member 26 is out of round. It has a radially protruding nose 72 which fits into extensions 74 of the bung hole 34. As a result, the sealing closed position and pressure compensation position of the valve member 26 is marked and locked in place. The positions are offset by 90 °.
  • FIGS. 20 to 25 The variant shown in FIGS. 20 to 25 is modified as follows compared to the last described:
  • the valve member 26 has a circumferential recess 76 on the outer casing 76.
  • the sheet sleeve 10 has a web 78 on the inner casing which projects into the circumferential recess 76 and acts as a stop limiting the angle of rotation of the valve member 26.
  • the valve member 26 Before the opening of the radial bore 64, the valve member 26 has a sealing bead 80 with a circumferential extent of almost 90 °.
  • the sealing bead 80 blocks the opening of the radial bore 64 and only releases it in the pressure compensation position.
  • the off-center axial bore 68 of the valve member 26 only extends below its flange 32 and is here by one radial puncture channel 82 hit on the top of the bung 10.
  • the branch channel 82 is covered by the flange 32 and, in the pressure compensation position of the valve member 26, is connected to a small axial opening 84 at the edge of the flange 32.
  • the central opening 24 of the bung 10 is a basically conical, inwardly tapering blind hole that is not continuously axially symmetrical, but rather conical 86, 88 distributed over the circumference and depth, 90, as well as circular cylindrical jacket parts 92, 94.
  • the essentially complementarily designed valve member 26 thus has a well-defined assembly position in the central opening 24.
  • the flange 12 of the bung 10 has an essentially circular cylindrical recess 34 of large diameter on the outside and an annular bead 28 behind it, which projects radially inward beyond the cone jacket 86 of the central opening 24.
  • the blind hole ends on the inside in a circular-bead-limited 96 neck 60 and a circular cylindrical diameter widening 62.
  • a pressure equalization channel in the form of a radial bore 64 leads to the jacket 92 of the blind hole and passes transversely through the bung 10 at approximately half the height. When the bung 10 is hammered in, the radial bore 64 is located above the liquid level in the fully filled container.
  • the valve member 26 has a flange 32 on the outside which fits into the recess 34 of the sheet pintle 10. A sealing portion 36 of smaller diameter adjoins this on the inside which the outer annular bead 28 of the bung 10 snaps into place.
  • the valve member 26 tapers inwards with a conical 98, 100, 102 and circular-cylindrical jacket parts 104, 106 to a neck 108, and it ends in a circular-cylindrical head 66 of larger diameter.
  • the inner annular bead 30 of the bung 10 snaps into the neck 108.
  • the valve member 26 has a notch 76 on the outer casing which extends over 90 ° in the circumferential direction.
  • the bung sleeve 10 has a cam 78 on the inner casing which projects into the notch 76 and acts as a stop limiting the angle of rotation of the valve member 26.
  • the part of the valve member 26 opposite the inner mouth of the pressure compensation channel 64 forms a ramp in the circumferential direction, which drops in the direction of rotation from the closed position into the pressure compensation position.
  • the valve member 26 has an axial jacket groove 110 which extends from the height of the inner mouth of the pressure compensation channel 64 to the underside of the flange 32.
  • a groove 82 is provided on the bottom of the bung hole 34, which lies in the same diametral plane 64 as the pressure compensation channel and extends from the central opening 24 of the bung 10 to the outer edge of the recess 34.
  • the flange 32 of the valve member 26 is out of round. It has a radially protruding nose 72 which fits into two extensions 74 of the bung hole 34. As a result, the sealing closed position and pressure compensation position of the valve member 26 is marked and locked in place.
  • the groove 82 on the bottom of the bung hole 34 ends in the extension 74 associated with the pressure compensation position.
  • a flow path between the interior of the container and the atmosphere is opened via the pressure compensation channel 64, the jacket groove 110 and the groove 82 on the bottom of the recess 34.
  • the outer mouth of the groove 82 is covered by the nose 72 on the flange 32 of the valve member 26 and sealed.
  • a handle bar 46 extending over its half circumference, which can be bent by rotation about a diametrical axis.
  • the handle bar 46 is fastened to the valve member 26 with webs 112, which tear off when they are bent up for the first time and form clearly visible fracture surfaces. This ensures protection of originality.
  • the handle bar 46 comes to lie sunk in the bung 10.
  • the recess 34 has an extension 114 which extends to the edge of the sheet pintle 10 and in which there is an extension 116 of the handle bracket 46 which projects outwards from the flange 32 and can be gripped under at the edge.
  • the bent handle 46 serves to turn the valve member 26 from the closed position to the pressure compensation position and back.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Float Valves (AREA)
  • Safety Valves (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un bouchon comportant une bonde (10) constituée d'un matériau souple et pourvue d'une partie d'appui (12) extérieure en forme de bride, une partie d'étanchéité (16) entourant et logeant le bord de l'ouverture en créant l'étanchéité et une partie d'emboîtement (18) qui entoure le bord de l'ouverture en venant se bloquer intérieurement derrière celui-ci. Dans la partie d'étanchéité (16) et dans la partie d'emboîtement (18) de la bonde (10) est incorporée une bague de renforcement (20) coaxiale en matière plastique dur qui est ondulée radialement sur sa périphérie et ainsi recouverte par ledit matériau souple sur son épaisseur, laquelle varie sur sa périphérie. La bonde (10) comporte une ouverture centrale (24) dans laquelle un obturateur (26) de la soupape d'équilibrage de pression, pouvant être déplacé manuellement, prend une position de fermeture étanche et une position d'équilibrage de pression.
EP98962196A 1997-11-03 1998-10-30 Bouchon avec soupape d'equilibrage de pression pour contenant a liquide Expired - Lifetime EP0950011B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19748365 1997-11-03
DE19748365 1997-11-03
PCT/DE1998/003179 WO1999023009A1 (fr) 1997-11-03 1998-10-30 Bouchon avec soupape d'equilibrage de pression pour contenant a liquide

Publications (2)

Publication Number Publication Date
EP0950011A1 true EP0950011A1 (fr) 1999-10-20
EP0950011B1 EP0950011B1 (fr) 2002-04-03

Family

ID=7847351

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98962195A Expired - Lifetime EP0950010B1 (fr) 1997-11-03 1998-10-30 Bouchon avec soupape d'equilibrage de pression pour contenant a liquide
EP98962196A Expired - Lifetime EP0950011B1 (fr) 1997-11-03 1998-10-30 Bouchon avec soupape d'equilibrage de pression pour contenant a liquide

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98962195A Expired - Lifetime EP0950010B1 (fr) 1997-11-03 1998-10-30 Bouchon avec soupape d'equilibrage de pression pour contenant a liquide

Country Status (6)

Country Link
US (2) US6065631A (fr)
EP (2) EP0950010B1 (fr)
AT (2) ATE215486T1 (fr)
AU (2) AU1748599A (fr)
DE (3) DE59803615D1 (fr)
WO (2) WO1999023008A1 (fr)

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EP2080708A1 (fr) * 2008-01-15 2009-07-22 InBev S.A. Fermeture
EP2080710A1 (fr) * 2008-01-15 2009-07-22 InBev S.A. Ensemble pour récipient et fermeture
EP2080709A1 (fr) * 2008-01-15 2009-07-22 InBev S.A. Ensemble pour récipient et fermeture
US8230889B2 (en) * 2008-07-15 2012-07-31 Anthony Pratt Fluid transfer apparatus
DE102008063680A1 (de) 2008-10-10 2010-04-15 Abb Ag Verfahren zum Einlernen (Teachen) eines Industrieroboters sowie ein entsprechend ausgestatteter Industrieroboter
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Also Published As

Publication number Publication date
EP0950011B1 (fr) 2002-04-03
US6065631A (en) 2000-05-23
ATE215486T1 (de) 2002-04-15
AU1748599A (en) 1999-05-24
DE59803615D1 (de) 2002-05-08
US6161716A (en) 2000-12-19
EP0950010B1 (fr) 2003-04-16
AU1748699A (en) 1999-05-24
WO1999023008A1 (fr) 1999-05-14
WO1999023009A1 (fr) 1999-05-14
ATE237521T1 (de) 2003-05-15
DE29823387U1 (de) 1999-04-29
DE59807960D1 (de) 2003-05-22
EP0950010A1 (fr) 1999-10-20

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