EP3752431B1 - Spundstopfenverschluss mit ventileinrichtung für spundbehälter - Google Patents

Spundstopfenverschluss mit ventileinrichtung für spundbehälter Download PDF

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Publication number
EP3752431B1
EP3752431B1 EP19700370.0A EP19700370A EP3752431B1 EP 3752431 B1 EP3752431 B1 EP 3752431B1 EP 19700370 A EP19700370 A EP 19700370A EP 3752431 B1 EP3752431 B1 EP 3752431B1
Authority
EP
European Patent Office
Prior art keywords
bung
plug
valve
recess
valve cover
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.)
Active
Application number
EP19700370.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3752431A1 (de
Inventor
Bernd Klatt
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.)
Schuetz GmbH and Co KGaA
Original Assignee
Schuetz GmbH and Co KGaA
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 Schuetz GmbH and Co KGaA filed Critical Schuetz GmbH and Co KGaA
Publication of EP3752431A1 publication Critical patent/EP3752431A1/de
Application granted granted Critical
Publication of EP3752431B1 publication Critical patent/EP3752431B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082—Bung-rings and bungs for bung-holes
    • B65D39/086—Separated bung-rings made by several elements
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • 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
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • B65D2205/00—Venting means

Definitions

  • the present invention relates to a bung plug closure according to the preamble of claim 1.
  • Bung-type closures of the type mentioned at the outset are used to close liquid containers, which can be designed in particular as drums or also inner containers for intermediate bulk containers (IBC).
  • IBC intermediate bulk containers
  • bung plug closures are provided, depending on the type of liquid contained in the container, with a valve device formed on the bung plug, which is arranged in the base of the plug cavity and has a valve body arranged in a valve opening of the base cavity, which for Pressure equalization allows flow through the valve.
  • the known valve devices regularly have an elastic valve body which is inserted into a valve opening formed in the bottom depression of the bung plug.
  • the valve device is provided with a valve cover.
  • a bung plug closure according to the preamble of claim 1 for bung-hole containers is known, which has a valve cover designed as a disk made of wire mesh, which is mechanically attached separately to the trough base.
  • the sealing cap is locked with locking projections on the outer peripheral side of the bung plug, and does not come into contact with the valve cover.
  • valve seal formed on the known bung plug allows effective protection of the valve body without impairing the valve function, since the lattice structure not only forms a protection but also a ventilation device that allows flow through the valve device despite covering the valve body.
  • the lattice structure not only forms a protection but also a ventilation device that allows flow through the valve device despite covering the valve body.
  • the EP 2 256 056 A1 shows a bung plug closure for bung-hole containers, the bung plug having no valve function.
  • the U.S. 5,649,639 A shows a bung plug with a valve device in the base, a valve cover being provided as a holder for a valve insert and the valve cover being latched with a sealing cap.
  • the present invention is therefore based on the object of proposing a bung plug closure which makes it possible to provide a valve device provided with a valve cover with comparatively little manufacturing effort.
  • the bung plug closure according to the invention has the features of claim 1.
  • the valve cover is designed as an elastically deformable disk, which has a diameter d that is smaller than a diameter D of the receiving space, the connection between the valve cover and the bung plug being designed in such a way that the valve cover with a counter-locking element radially backwards projecting outside peripheral edge between the locking projection of the engagement body and a trough edge of the bottom trough is accommodated.
  • valve cover By arranging the valve cover between the latching projection of the engagement body and the trough edge of the base trough, the relative arrangement of the valve cover with respect to the valve device is secured solely by the connection between the sealing cap and the bung plug, which is required anyway, without going beyond the connection between the two aforementioned components of the bung plug closure measures are required.
  • valve cover which has a diameter that is at least slightly reduced compared to the diameter of the receiving space, can be inserted until it rests against the counter-locking elements and finally, with elastic deformation, beyond the counter-locking elements in the direction of the bottom recess in the bung plug until it reaches the valve device covering position are introduced.
  • connection between the valve cover and the bung plug is designed as a clamp connection, such that the valve cover is received in an axially clamped manner between the latching projection of the engagement body of the sealing cap, which is latched and received in the plug recess, and the recess edge, the defined relative arrangement of the valve cover can be counteracted of the valve device itself are not affected by transport and handling of the container.
  • the key attachments are preferably connected to one another in the region of the interspaces by interspace platforms such that radially inward-facing front surfaces of the interspace platforms together with the lower surface sections of the inner surfaces of the key attachments adjoining the trough edge form a border radially delimiting the trough edge.
  • the peripheral edge of the valve cover is thus received in the bung plug over its entire circumference, so that in addition to the protective effect, protection against contamination of the valve device due to radial ingress of dust can also be ruled out.
  • the counter-locking elements are arranged in the area of the gaps on the front surfaces of the gap platforms, so that when the valve cover is installed by axially inserting the valve cover into the plug recess, a handling tool for automatically fitting the bung plugs with the valve cover is immediately adjacent without the risk of collision with the key attachments the counter-locking elements on the valve cover can be used.
  • the inner surfaces of the key attachments and the front surfaces of the intermediate space platforms form a continuous guide surface when the valve cover is inserted into the plug recess, such that the inner surfaces and the front surfaces have guide surfaces for radially guiding the peripheral edge of the valve cover until the valve cover rests against the edge of the bowl.
  • valve cover is designed as a cover disc with a closed surface except for a ventilation opening to form the ventilation device, the effect of the cover disc as a protection against contamination for the valve device can be further improved without impairing one.
  • valve cover is designed as a cover disk with a closed surface and a spacer device designed on an underside of the cover disk or on the trough edge of the bung plug to form the ventilation device as a ventilation gap.
  • FIG. 1 shows a bung plug closure with a sealing cap 11 arranged on a bung plug 10.
  • the bung plug 10 is provided with an external thread 12 for screwing into a bung socket 24.
  • the bung plug 10 has a plug trough 13 with key projections 15 formed on an inner wall 14 of the plug trough 13, which are separated from one another by gaps 16.
  • the intermediate spaces 16 are delimited in the circumferential direction of the bung plug 10 by driver surfaces 17, which serve to abut radial drivers of a bung plug wrench (not shown here) inserted into the plug cavity 13 in order to transmit a screw torque to the bung plug 10 for screwing or unscrewing the bung plug 10 .
  • the key attachments 15 also delimit with concave inner surfaces 18 a receiving space 19 formed within the plug cavity 13 for receiving an engaging body 20 arranged on the sealing cap 11, which is provided with an annular latching projection 21 at its lower end.
  • the bung plug 10 has counter-locking elements 32 for latching the annular latching projection 21 to the bung plug 10 .
  • the counter-locking elements 32 are arranged above an annular rim 35 which is formed outside the spaces 16 separating the key lugs 15 from one another by lower portions 36 of the inner surfaces 18 of the key lugs 15, the inner surfaces 18 preferably being concave.
  • the frame 35 therefore has both the sections 36 of the inner surfaces 18 and other sections in the area of the interspaces 16 which are formed by front surfaces 38 of interspace platforms 39 formed in the interspaces 34 .
  • the skirt 35 is continuous formed cylinder jacket surface formed with a constant radius of curvature r in relation to a central axis M of the bung plug 31.
  • the ring-shaped border 35 is limited in the area of the intermediate spaces 16 at the top by the radially inwardly extending counter-locking elements 32 .
  • the annular border 35 is delimited at the bottom by a trough edge 43 of a base 44 , the peripheral edge 43 being raised relative to a base 46 in order to form a base trough 45 .
  • the bung plug 31 has a plug cross-section 48 that drops radially inward in the manner of steps from the counter-locking element 32 via the border 35, the trough edge 43 of the base 44 and a sleeve-shaped shoulder 47 formed in the transition to the base 46.
  • a valve device 49 is arranged in the trough base 44 of the bung plug 10 with a valve body 50 which is inserted into a valve opening 51 formed in the base 46 .
  • the valve body 51 is designed as an elastic, approximately mushroom-shaped molded body with a stem-shaped fastening part 52 and a valve cover 53 formed thereon of the base 44 compared to an overpressure present in the container opens the valve and via valve channels 54 formed on the circumference of the fastening part 52 and a valve gap formed between the valve cover 53 and the valve seat 54 as a result of the prevailing overpressure (not shown in detail here) a fluid connection between the container interior and the environment is made.
  • the valve device 49 is provided with a disc-shaped valve cover 55, which consists of a dimensionally elastic plastic, such as PE, and has a peripheral edge 56 which projects beyond the counter-locking elements 32 radially outwards and is accommodated in the axial direction between the counter-locking elements 32 and the trough edge 43 .
  • the valve cover 55 is radially positioned by the skirt 35 formed by the front surfaces 38 of the clearance pedestals 39 and lower surface portions 36 of the inner surfaces 18 of the key lugs 15, as discussed above.
  • the assembly i.e. the axial insertion of the valve cover 55 into the plug trough 13 until it rests against the trough edge 43, is carried out in such a way that the inner surfaces 18 of the key attachments 15 and the front surfaces 38 of the intermediate space platforms 39 in the plug trough 13 form a coherent guide surface, such that the peripheral edge 56 of the valve cover 55 (which is at least slightly reduced in diameter d compared to the diameter D of the receiving space 19 formed in the stopper recess 13 2 ) First out to the axial contact with the counter-locking elements 32, then deformed elastically to overcome the counter-locking elements 32 and after overcoming the counter-locking elements 32 in the Figs. 2 and 3 shown position on the ground 44 arrives.
  • valve cover 55 already in the in the Figs. 2 and 3 shown position of the valve cover 55, in which the valve cover 55 is captively movable with the bung plug 10 and only within a receiving space 57 formed between the counter-locking elements 32 and the trough rim 43, the valve cover 55 fulfills its function as a dust guard to prevent dirt deposits that may impair the valve function on the valve body 50 to prevent.
  • connection between the valve cover 55 and the bung plug 10 is also designed as a clamp connection, such that the valve cover 55 is now latched between the latching projection 21 of the engagement body 20 received in the plug recess 13 and the Bowl edge 43 is recorded axially clamped.
  • valve cover 55 which is designed as a cover disk with a surface 59 that is closed except for a ventilation opening 58
  • a valve cover 60 that has a completely closed surface 61 can also be provided.
  • the underside 62 of the valve cover 60 rests on spacers 63, which are designed to form a ventilation gap 64 between a peripheral edge 65 of the valve cover 60 and the trough rim 43 on the trough rim 43 are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
EP19700370.0A 2018-02-13 2019-01-10 Spundstopfenverschluss mit ventileinrichtung für spundbehälter Active EP3752431B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018103137.8A DE102018103137B3 (de) 2018-02-13 2018-02-13 Spundstopfenverschluss für Spundbehälter
PCT/EP2019/050521 WO2019158283A1 (de) 2018-02-13 2019-01-10 Spundstopfenverschluss mit ventileinrichtung für spundbehälter

Publications (2)

Publication Number Publication Date
EP3752431A1 EP3752431A1 (de) 2020-12-23
EP3752431B1 true EP3752431B1 (de) 2022-03-30

Family

ID=63895382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19700370.0A Active EP3752431B1 (de) 2018-02-13 2019-01-10 Spundstopfenverschluss mit ventileinrichtung für spundbehälter

Country Status (26)

Country Link
US (1) US11352174B2 (pl)
EP (1) EP3752431B1 (pl)
JP (1) JP6990779B2 (pl)
KR (1) KR102466285B1 (pl)
CN (1) CN111712439B (pl)
AR (1) AR114108A1 (pl)
AU (1) AU2019221337B2 (pl)
CA (1) CA3090603C (pl)
CL (1) CL2020001921A1 (pl)
CO (1) CO2020008734A2 (pl)
DE (1) DE102018103137B3 (pl)
DK (1) DK3752431T3 (pl)
ES (1) ES2914817T3 (pl)
HU (1) HUE059404T2 (pl)
IL (1) IL276391B (pl)
MA (1) MA51816B1 (pl)
MX (1) MX2020007593A (pl)
PH (1) PH12020551247A1 (pl)
PL (1) PL3752431T3 (pl)
RU (1) RU2750930C1 (pl)
SA (1) SA520412626B1 (pl)
SG (1) SG11202007229XA (pl)
TW (1) TWI719404B (pl)
UA (1) UA126604C2 (pl)
WO (1) WO2019158283A1 (pl)
ZA (1) ZA202004871B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900002103A1 (it) * 2019-02-13 2020-08-13 Guala Pack Spa Tappo per cannuccia per un imballo flessibile a pareti sottili
DE102020123861A1 (de) * 2020-09-14 2022-03-17 Protechna S.A. Siegelkappe für einen Behälterverschluss sowie Behälterverschluss mit einer derartigen Siegelkappe
DE102020131713B4 (de) 2020-11-30 2022-06-15 Protechna S.A. Spundstopfenverschluss

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701816A (en) * 1928-01-07 1929-02-12 Malluk Lockable closure for tanks
DE921729C (de) 1953-04-02 1954-12-23 Daimler Benz Ag Mehrgangwechselgetriebe
US3684125A (en) * 1970-08-07 1972-08-15 American Flange & Mfg Container closure having sealing cap and fastening ring
DE3144679A1 (de) * 1981-11-10 1983-05-19 Henkel KGaA, 4000 Düsseldorf "druckausgleichsvorrichtung"
DE9217291U1 (de) * 1992-07-20 1993-02-18 Mauser-Werke Gmbh, 5040 Bruehl Schraubdeckel
EP0669263B1 (de) * 1994-02-22 1998-10-14 Sotralentz S.A. Behälter für fliessfähige Medien mit Belüftungseinrichtung
US5499654A (en) * 1995-05-15 1996-03-19 Applied Power Inc. Two-way vent valve
DE29513256U1 (de) 1995-08-18 1995-12-07 Mauser-Werke GmbH, 50321 Brühl Verschluß für eine Behälteröffnung
DE29608342U1 (de) * 1996-05-08 1996-07-04 Protechna S.A., Freiburg/Fribourg Sicherheitsventil aus Kunststoff für Behälter
DE29702772U1 (de) * 1997-02-17 1997-04-03 Protechna S.A., Freiburg/Fribourg Belüftungsventil aus Kunststoff für Behälter
DE19755205C1 (de) * 1997-12-12 1999-06-17 Protechna Sa Sicherheitsventil aus Kunststoff für Behälter
WO2000022969A1 (en) * 1998-10-20 2000-04-27 Playtex Products, Inc. Lip-openable spill-proof container
US20060096985A1 (en) * 2004-11-09 2006-05-11 Stolzman Michael D Venting lid with safety seal
DE202006015686U1 (de) * 2006-10-14 2006-12-14 Schütz GmbH & Co. KGaA Schraubdeckel
JP4640551B2 (ja) 2007-12-04 2011-03-02 Ｓｍｃ株式会社 流体圧機器の製造方法
DE102009022800B3 (de) 2009-05-27 2010-08-19 Schütz GmbH & Co. KGaA Spundstopfenverschluss für Spundbehälter
US8348078B2 (en) * 2010-02-12 2013-01-08 Thermos L.L.C. Leak proof drinking lid with pressure relief
JP5435439B2 (ja) * 2012-06-22 2014-03-05 Ｓｍｃ株式会社 二方弁
JP5841220B1 (ja) * 2014-11-14 2016-01-13 サーモス株式会社 蓋付き容器
DE202015008399U1 (de) * 2015-12-08 2016-01-08 Protechna S.A. Spundstopfen mit integrierter Druckausgleichseinrichtung
KR101774166B1 (ko) * 2016-08-08 2017-09-01 주식회사 락앤락 식품 용기

Also Published As

Publication number Publication date
MA51816A (fr) 2021-05-19
US11352174B2 (en) 2022-06-07
HUE059404T2 (hu) 2022-11-28
TWI719404B (zh) 2021-02-21
KR20200099589A (ko) 2020-08-24
TW201936454A (zh) 2019-09-16
ZA202004871B (en) 2022-06-29
MA51816B1 (fr) 2022-05-31
PH12020551247A1 (en) 2021-05-17
JP6990779B2 (ja) 2022-01-12
EP3752431A1 (de) 2020-12-23
ES2914817T3 (es) 2022-06-16
AR114108A1 (es) 2020-07-22
CN111712439A (zh) 2020-09-25
CN111712439B (zh) 2022-04-05
WO2019158283A1 (de) 2019-08-22
US20200391908A1 (en) 2020-12-17
CL2020001921A1 (es) 2020-10-09
UA126604C2 (uk) 2022-11-02
BR112020014765A2 (pt) 2020-12-08
IL276391B (en) 2021-12-01
PL3752431T3 (pl) 2023-01-02
CA3090603C (en) 2022-11-29
SA520412626B1 (ar) 2022-11-10
SG11202007229XA (en) 2020-08-28
KR102466285B1 (ko) 2022-11-10
DK3752431T3 (da) 2022-05-23
AU2019221337B2 (en) 2021-05-06
CO2020008734A2 (es) 2020-10-30
MX2020007593A (es) 2020-09-03
AU2019221337A1 (en) 2020-07-30
RU2750930C1 (ru) 2021-07-06
DE102018103137B3 (de) 2018-11-08
IL276391A (en) 2020-09-30
CA3090603A1 (en) 2019-08-22
JP2021512821A (ja) 2021-05-20

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