EP0563567B1 - Sicherheitsring - Google Patents

Sicherheitsring Download PDF

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Publication number
EP0563567B1
EP0563567B1 EP93102801A EP93102801A EP0563567B1 EP 0563567 B1 EP0563567 B1 EP 0563567B1 EP 93102801 A EP93102801 A EP 93102801A EP 93102801 A EP93102801 A EP 93102801A EP 0563567 B1 EP0563567 B1 EP 0563567B1
Authority
EP
European Patent Office
Prior art keywords
ring
safety ring
flanges
transverse notches
safety
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.)
Expired - Lifetime
Application number
EP93102801A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0563567A1 (de
Inventor
Winfried Lahme
Karl-Josef Wurm
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.)
SCHEMM GmbH
Original Assignee
SCHEMM 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 SCHEMM GmbH filed Critical SCHEMM GmbH
Publication of EP0563567A1 publication Critical patent/EP0563567A1/de
Application granted granted Critical
Publication of EP0563567B1 publication Critical patent/EP0563567B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
    • B65D45/34—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member lever-operated
    • B65D45/345—Lever-operated contractible or expansible band, the lever moving in the plane of the band

Definitions

  • the invention relates to a circular safety ring from a ring formed by back and flanges with a U-shaped cross section and from a fastener fastened to the ends of the ring, transverse circumferential cuts of the ring distributed at equal intervals in the circumferential direction starting from the edges of the flanges and the flanges one have increasing distance from each other from the back.
  • the edge webs of the barrel jacket and the lid must be held tightly together by the flanges of the safety ring or strap, even if the strap is deformed in the event of a fall or other load. Because the barrel content, which can be an aggressive substance or liquid, must not leak. Since the tensioning strap is made of sheet metal, its elasticity is reduced, so that permanent deformation easily occurs and the tightness is no longer guaranteed. The provision of a sheet metal strip is generally insufficient. This is especially true because the flanges are bent in one piece on the back and there is an overall U-shaped ring.
  • the document US-A 1999530 describes a clamping ring of the generic type which is provided for a container made of glass or a similar material. Such a container is likely to break when dropped, so that the tightness function of the clamping ring after the fall is irrelevant. As a result, this clamping ring is designed with regard to static tightness, and the flanges are as rigid as possible so that the lid and container remain well pressed together.
  • the object of the invention is to provide a safety ring which has an elastic resilience when deformed, so that in any case a tightness of the closure or the barrel is guaranteed.
  • the punched edges of the cross cuts are directed inwards, that with a safety ring diameter of 250 to 400 mm, the sheet thickness is 1.5 mm, the number of cross cuts 10 to 12 and their mutual spacing 90 to 100 mm is and that with a safety ring diameter of 400 to more than 500 mm, the sheet thickness is 2 mm, the number of cross cuts 11 to 15 and their mutual spacing is 110 to 120 mm.
  • the invention differs from the prior art in that, for the purpose of resilience with an increased curvature difference due to deformation while maintaining the tightness of the closure, the number of cross cuts is varied depending on the starting ring diameter and material thickness so that their mutual distance remains approximately constant. This achieves a regulation of the flange elasticity for a given ring elasticity. Even after deformation, the safety clamping ring largely returns to the circular shape.
  • the sections formed by the cross cuts can move and deform separately. The individual sections always ensure that the edge webs of the container are pressed together. Drop tests have shown an increased tightness of the container, so that the safety ring can also be used for liquid contents of the container.
  • the safety ring consists of split tape with a Sendzimir galvanization of 275 g / m2.
  • a steel material that has a yield strength> 300 N / mm2, a tensile strength> 500 N / mm2 and an elongation at break of 25 to 30% has proven to be favorable for higher strength requirements. Due to the inward punched edges, an additional clawing of the sections of the safety ring is achieved.
  • the deformability of the flanges is particularly advantageous when the cross cuts extend essentially over the entire width of the flanges.
  • the tensioning strap becomes firmer and safer against tearing out by virtue of the fact that transverse incisions are V-shaped and that an arc of a circle is provided in the region of the tip.
  • the safety ring 1 comprises a back 2 and flanges 3 bent therefrom, the mutual distance of which increases from the back, so that a U-shaped or V-shaped cross section is obtained.
  • the safety ring 1 is curved in a circle.
  • a tensioning lever 4 and, on the other hand, a connecting tab 5 are articulated, which form a tension lock.
  • V-shaped transverse incisions 6 are cut out of the flanges 3 and extend essentially to the back 2 and their punched edges are directed inwards, i.e. are directed against the opposite flange.
  • the tip or root of the transverse incisions 6 is designed as an arc 8 in the form of a circular segment. As a result, the flanges are separated into sections 7. 11 cross cuts 6 are shown, so that 12 sections 7 are obtained.
  • the number of incisions should be 5 to 20, preferably 10 to 15.
  • a sheet thickness of 1.5 mm and a number of 10 to 12 cross cuts at a mutual distance of 90 to 100 mm have proven to be favorable.
  • a safety ring diameter of 400 to more than 500 mm a sheet thickness of 2 mm and a number of 11 to 15 cross cuts at a mutual distance of 110 to 120 mm have proven to be advantageous.
  • Each section 7 forms a largely stable part with the associated part of the back, which has a high resistance to deformation.
  • the deformation in the event of a fall or impact occurs largely in the area of the incisions 6.
  • Each individual section 7 claws at the edge webs of the barrel and the lid. The overlying punched edges lead to an increased holding effect. Since the closing force acts on the back 1, it is reset to the circular shape.
  • Slit band with a Sendzimir zinc layer of 275 g / m2 provides sufficient puncture protection for the safety ring.
  • a steel material with a yield strength> 300 N / mm2, a tensile strength> 500 N / mm2 and an elongation at break of 25 to 30% are provided.
  • 3 ring webs 10 remain at the edge of the flanges. Inwardly, these ring webs 10 are connected by oval cross cuts 9, which extend over the back and a large part of the flange width. The ring webs 10 are bent approximately parallel to the back 2 to the outside. The ring webs 10 lie against the circumference of the barrel or cover and hold the safety ring firmly. The deformation in the case is formed in the area of the cross cuts.
  • a bearing 11 of the connecting straps 4 is additionally designed to be longitudinally movable within elongated holes 12.
  • Tension springs 13 tension the bearing 11 against the bearing 14. This ensures an additional closing force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Gasket Seals (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pens And Brushes (AREA)
  • Materials For Medical Uses (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP93102801A 1992-04-03 1993-02-23 Sicherheitsring Expired - Lifetime EP0563567B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9204571U DE9204571U1 (de) 1992-04-03 1992-04-03 Spannband
DE9204571U 1992-04-03

Publications (2)

Publication Number Publication Date
EP0563567A1 EP0563567A1 (de) 1993-10-06
EP0563567B1 true EP0563567B1 (de) 1995-05-24

Family

ID=6878087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93102801A Expired - Lifetime EP0563567B1 (de) 1992-04-03 1993-02-23 Sicherheitsring

Country Status (5)

Country Link
EP (1) EP0563567B1 (da)
AT (1) ATE122985T1 (da)
DE (2) DE9204571U1 (da)
DK (1) DK0563567T3 (da)
ES (1) ES2076044T3 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7802827B2 (en) * 2005-11-07 2010-09-28 Rieke Corporation Closing ring for lid and container combination
US7497489B2 (en) 2006-10-03 2009-03-03 Rieke Corporation Container and lid combination with closing ring assembly
DE102008052229A1 (de) 2008-10-17 2010-04-29 Hydac Accessories Gmbh Bandschelle
DE102009057533A1 (de) 2009-07-31 2011-06-09 Hydac Accessories Gmbh Bandschell
DE102009035572A1 (de) 2009-07-31 2011-02-03 Hydac Accessories Gmbh Bandschelle
ES2643484T3 (es) 2013-12-11 2017-11-23 Ardagh Mp Group Netherlands B.V. Cubo, anillo de cierre, y método para montar un cubo
CN111634546B (zh) * 2020-05-14 2021-12-24 富岭科技股份有限公司 一种防漏一次性塑料饭盒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999530A (en) * 1934-04-23 1935-04-30 Walter L Snyder Sealing means for containers
DE828492C (de) * 1950-04-22 1952-01-17 Paul Pott Stahlbandverschluss fuer Industrieflaschen und Industrieglaeser
CH359093A (de) * 1957-04-04 1961-12-15 Mauser Kg Verschlusseinrichtung an einem rechteckigen Behälter mit abnehmbarem Deckel
US3151373A (en) * 1961-04-14 1964-10-06 Midland Ross Corp Clamp for conduit couplings
DE8403437U1 (de) * 1984-02-07 1984-04-05 Fa. Theodor Schemm, 5952 Attendorn Spannhebelverschluss mit einem einen Fassdeckel umschliessenden Ring

Also Published As

Publication number Publication date
DE9204571U1 (de) 1992-06-25
DK0563567T3 (da) 1995-10-09
DE59300212D1 (de) 1995-06-29
ATE122985T1 (de) 1995-06-15
EP0563567A1 (de) 1993-10-06
ES2076044T3 (es) 1995-10-16

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