US3437226A - Plastic closure flange assembly - Google Patents

Plastic closure flange assembly Download PDF

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Publication number
US3437226A
US3437226A US662532A US3437226DA US3437226A US 3437226 A US3437226 A US 3437226A US 662532 A US662532 A US 662532A US 3437226D A US3437226D A US 3437226DA US 3437226 A US3437226 A US 3437226A
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US
United States
Prior art keywords
plug
flange
closure
wall
gasketing
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
US662532A
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English (en)
Inventor
Halsey R Helwig
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.)
American Flange and Manufacturing Co Inc
Original Assignee
American Flange and Manufacturing Co Inc
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 American Flange and Manufacturing Co Inc filed Critical American Flange and Manufacturing Co Inc
Application granted granted Critical
Publication of US3437226A publication Critical patent/US3437226A/en
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
    • 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
    • B65D39/084—Separated bung-rings made by one element

Definitions

  • This invention relates to plastic closures for containers and is particularly concerned with a closure flange and plug assembly embodying an improved sealing relationship therebetween.
  • the plastic flange and plug assembly herein disclosed takes into account all three of the above mentioned leakage path possibilities and provides improved safeguards against each.
  • the closure assembly of the invention possesses structural qualities heretofore thought unattainable in a plastic construction. One of these qualities being characterized by the wide differential between the relatively low sealing torque and the relatively high stripping torque.
  • Another object is to provide an improved plug, flange and container wall closure construction.
  • a further object is to provide a new sealin g relationship between a plastic flange and a self gasketing plastic plug.
  • FIG. 1 is a part sectional part elevational view of the closure flange assembly formed in accordance with the invention
  • FIGURE 2 is an elevational view of the closure plug of the invention
  • FIG. 3 is a top plan view of the flange and plug assembly
  • FIG. 4 is a fragmentary sectional view of the sealing portion of the flange assembly
  • FIG. 5 is a fragmentary sectional view similar to FIG. 4 and also showing the plug and a container wall section;
  • FIG. 6 is a part sectional part elevational view of the complete closure assembly secured within a container Wall opening and with the flange diaphragm removed.
  • the flange assembly 1 of the invention as seen in FIG. 1 comprises a plug receiving flange member molded of synthetic plastic material generally indicated at 2 and having a downwardly extending wall 3 internally threaded at 4 and terminating at its lower end in a radially inwardly extending annular ledge 5 integrally connected through a weakened tearing section 6 to a hand removable diaphragm 7.
  • a pull member Integrally connected to the diaphragm 7 is a pull member to facilitate hand removability of the diaphragm comprising a neck 8 extending upwardly and radially inwardly from the diaphragm closely adjacent the weakened tearing section 6 and terminating in ring 9 adapted to receive a persons finger.
  • the diaphragm 7 is formed with a pocket 10 for reception and storage of the pull member when a plug is screw into the flange.
  • the threaded wall 3 has an uppermost end portion 11 from which extends a peripheral sealing lip having a radially outwardly extending top wall 12 and a downwardly extending outer wall 13 which terminates in a lowermost end 14.
  • annular downwardly extending groove is formed in the top of the threaded wall 3 having an outer surface 15, a bottom surface 16 and an inner surface 17.
  • the resulting wall 18 spaced radially inwardly of the upper end portion 11 terminates at its upper end in a downwardly and radially inwardly inclined surface 19 and carries at least a portion of a full thread around its inner surface as indicated at 4a.
  • the plug receiving member 2 thus described is assembled with a metal securing ring 20 having an inner leg 21, a top portion 22 and an outer leg 23.
  • the metal securing ring 20 is assembled to the plug receiving member 2 in overlying engagement with the peripheral sealing lip so that the leg 21 extends into the flange groove and tightly engages the groove outer surface 15.
  • the leg 21 extends into the flange groove and tightly engages the groove outer surface 15.
  • FIG. 4 there exists a slight gap between the leg 21 and the groove inner wall 17 and also between the lower end of the leg 21 and the groove bottom 16. This clearance aids the assembly operation and assures a close fit around the entire outer surface of the flange sealing lip.
  • FIGS. 2 and 3 illustrate a closure plug 30 also molded of synthetic plastic material for threaded engagement within the flange member 2 comprising a cylindrical sidewall 31 having a screw thread 32 thereon and having an enlarged annular head 33 extending radially outwardly of said sidewall 31 above the thread 32.
  • the plug head 33 is shown in detail as having a lower surface 34, an upwardly and outwardly inclined surface 35 and an upwardly and inwardly radiused top surface 36.
  • the top surface of the plug 30 has a plurality of wrench or finger engaging recesses 37 and 38.
  • In the center of the plug there is formed a downwardly extending internally threaded neck 39 terminating at its lower end in an integral cut out diaphragm 40.
  • the plug 30 is thus designed to be used as shown or to receive either a plug or a faucet within the neck 39.
  • FIG. 5 shows a container wall 50 with an upstanding opening formation comprising an upwardly extending portion 51, an uppermost outwardly curled portion 52 and a downwardly and radially inwardly extending portion 53 which terminates in a free edge 54.
  • the flange assembly 1 is permanently secured to the above described opening formation by placing the flange sealing lip thereover and forming the securing ring leg 23 radially inwardly adjacent its lower edge so as to pinch the lowermost end 14 of the lip outer wall 13 against the free edge 54 and cause the plastic material to be squeezed therebetween as shown. This squeezing out of the plastic material between the two adjacent free metal edges has been found to assure a tight leakproof joint between the flange assembly and the container wall regardless of the abuse the closure may be subjected to.
  • FIGS. 5 and 6 it can be seen that upon screwing the plug 30 into the plug receiving member 2 the inclined surface 35 on the plug head 33 eventually engages the inclined surface 19 on the plug receiving member wall 18. These surfaces 35 and 19 are both inclined at approximately a 45 degree angle so that once initial contact therebetween is made very little additional turning torque is required to cause the wall 18 to be urged radially outwardly. A gasketing action is immediately aflected and constantly improves as continued rotation of the plug causes the groove inner surface 17 to contact the securing ring leg 21 closing up the gap therebetween illustrated in FIG. 4.
  • annular plug receiving flange member molded of synthetic plastic material, said flange member defining an internally threaded axial dispensing passage, first gasketing surface means adjacent the upper end of said dispensing passage, an integrally molded sealing lip surrounding said member, an annular metal securing ring assembled to said plug receiving flange member in overlying relationship with said sealing lip, a closure plug molded of synthetic plastic material threadedly engaged within said dispensing passage, said plug including an integrally molded second gasketing means in sealing engagement with said first gasketing means and a portion of said plug receiving flange member interposed in a horizontal plane extending between said engagement of said first and second gasketing means and said securing ring.
  • sealing lip extending radially outwardly at the uppermost end of said dispensing passage and then extending downwardly and terminating in a lowermost free end portion.
  • metal securing ring having an inverted channel shaped crosssectional configuration comprising an inner leg, a top portion and an outer leg.
  • sealing lip being sealingly engaged between said metal securing ring and an upstanding outwardly curled opening neck formation and said lowermost free end portion of said sealing lip extending free of said ring outer leg and said outward curl.
  • said first gasketing means comprising a radially outwardy and up wardly inclined annular surface.
  • said second gasketing means comprising an upwardly and outwardly inclined surface substantially parallel to said first gasketing means.
  • said securing ring having a wall portion extending into said groove and below said first gasketing surface means.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US662532A 1967-08-22 1967-08-22 Plastic closure flange assembly Expired - Lifetime US3437226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66253267A 1967-08-22 1967-08-22

Publications (1)

Publication Number Publication Date
US3437226A true US3437226A (en) 1969-04-08

Family

ID=24658105

Family Applications (1)

Application Number Title Priority Date Filing Date
US662532A Expired - Lifetime US3437226A (en) 1967-08-22 1967-08-22 Plastic closure flange assembly

Country Status (14)

Country Link
US (1) US3437226A (de)
AT (1) AT292491B (de)
BE (1) BE719287A (de)
CH (1) CH502239A (de)
DE (1) DE1786045B1 (de)
DK (1) DK128997B (de)
ES (1) ES356599A1 (de)
FI (1) FI49950C (de)
FR (1) FR1577022A (de)
GB (1) GB1236637A (de)
IE (1) IE32193B1 (de)
NL (1) NL158454B (de)
NO (1) NO122356B (de)
SE (1) SE348698B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747962A (en) * 1972-05-05 1973-07-24 Rieke Corp Plastic closure-receiver for metal container
US3757986A (en) * 1971-01-18 1973-09-11 Gulf & Western Ind Prod Co Closure member for metal containers and method of assembly
US4625889A (en) * 1985-10-21 1986-12-02 Rieke Corporation Replaceable, crimp-on, threaded closure for plastic container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038205A1 (de) * 1990-11-30 1992-06-04 Berg Jacob Gmbh Co Kg Verschluss an metallbehaeltern
GB2408733A (en) * 2003-11-21 2005-06-08 Mark Stephen Gill Tamper evident bottle stopper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772017A (en) * 1953-12-21 1956-11-27 Ricke Metal Products Corp Plastic drum closure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162758B (de) * 1959-12-04 1964-02-06 American Flange & Mfg Behaelterverschluss fuer Metalltrommelbehaelter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772017A (en) * 1953-12-21 1956-11-27 Ricke Metal Products Corp Plastic drum closure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757986A (en) * 1971-01-18 1973-09-11 Gulf & Western Ind Prod Co Closure member for metal containers and method of assembly
US3747962A (en) * 1972-05-05 1973-07-24 Rieke Corp Plastic closure-receiver for metal container
US4625889A (en) * 1985-10-21 1986-12-02 Rieke Corporation Replaceable, crimp-on, threaded closure for plastic container

Also Published As

Publication number Publication date
IE32193B1 (en) 1973-05-16
AT292491B (de) 1971-08-25
ES356599A1 (es) 1970-01-16
GB1236637A (en) 1971-06-23
DK128997B (da) 1974-08-05
FI49950C (fi) 1975-11-10
FR1577022A (de) 1969-08-01
NL6811983A (de) 1969-02-25
BE719287A (de) 1969-01-16
SE348698B (de) 1972-09-11
NO122356B (de) 1971-06-14
CH502239A (fr) 1971-01-31
DE1786045B1 (de) 1971-05-19
FI49950B (de) 1975-07-31
IE32193L (en) 1969-02-22
NL158454B (nl) 1978-11-15

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