US2460721A - Method of forming bungs in metallic plates - Google Patents

Method of forming bungs in metallic plates Download PDF

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Publication number
US2460721A
US2460721A US74588147A US2460721A US 2460721 A US2460721 A US 2460721A US 74588147 A US74588147 A US 74588147A US 2460721 A US2460721 A US 2460721A
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United States
Prior art keywords
forming
plate
flange
bungs
opening
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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
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Inventor
Roy J Thompson
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Inland Steel Co
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Inland Steel Co
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Publication date
Priority to US603682A priority Critical patent/US2460720A/en
Application filed by Inland Steel Co filed Critical Inland Steel Co
Priority to US74588147 priority patent/US2460721A/en
Application granted granted Critical
Publication of US2460721A publication Critical patent/US2460721A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D39/00Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082Bung-rings and bungs for bung-holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00Making hollow objects
    • B21D51/16Making hollow objects characterised by the use of the objects
    • B21D51/38Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/40Making outlet openings, e.g. bung holes

Description

Feb. 1, 1949.
R. J. THOMPSON METHOD OF FORMING BUNGS IN METALLIC PLATES Original Filed July '7, 1945 pended hereto.
' at... Feb.
METHOD OF FORMING BUNGS IN METALLIC PLATES Roy J. Thompson, Gary, Ind, assignor to Inland Steel Company, Chicago, 111., a corporation of Delaware Original application July I, 1945, Serial No.
1947, Serial No. 745,881
3 Claims. 29-1482) This invention pertains to threaded openings or bungs, and the method of making a threaded opening, such as for threaded bungs in sheet metal barrels, drums, container heads and the like, or for other structural members.
An object ofthis invention is to form a threaded opening or hung in an article, the opening being formed from the material of the article without the necessity of using inserts or other extraneous bracing.
Another object of the invention is to easily and quickly form a threaded opening or head in an article in a simple and effective manner and in such a way as to not affect the strength of the deformed material.
Another object of the invention is to provide a threaded or other opening which forms its own reinforcing means.
Another object of the invention is to provide a threaded opening and the method of formin such an opening which does not weaken the material from which it is made and which may be quickly and economically formed.
With these and various other objects in. view, the invention may consist of certain novel features of construction and operation as will be more fully described and particularly pointed out in the specification, drawings and claims ap- In the drawings, which illustrate embodiments of the device and wherein like reference characters are used to designate like parts- Figure 1 is a fragmentary sectional elevation Divided and this application May 3,
provide a larger opening 26, as shown in Figure 4, retaining the rounded portion IS, the flange 24 being preferably concentric with the wall It.
Flange 24 is then refianged as at 28 (Figure 5), the edge of the flange preferably being moved into relatively tight engagement with the base of the wall M, i. e., at the junction between wall it and plate iii. In other words, the edge of the flange 2d (reflange 28) does not extend substantially below the junction of wall it and plate It, or is substantially in the plane of the bottom surface of plate It adjacent the contact between the edge of flange 2i and the base of wall It. Also a sealing is efiected'between the reflanged portion and the base of wall M. Thus with a container using this construction the container may be fully emptied as by pouring, as no traps for the contents of the container are formed.
In the event a threaded opening is to be provided, the flange 24 is then threaded as at 30, Figure 6, the threads being rolled or otherwise I formed. of course, if a threaded plugis not to of a plate in which there is to be-formed a threaded opening such as a hung or the like;
Figures 2 to 7 are fragmentary sectional elevations showing the successive steps in the formation of a threaded opening from the plate illustrated in Figure l.
This application is a division of application Serial No. 603,682, filed July 7, 1945, for Threaded opening.
In forming a threaded opening in a metallic plate or base such as an end enclosure, header or the like, of a container, barrel, drum or the like, or in any other structural member, a plate ill of metal, plastic or other suitable material, is formed at the selected location with a depression H which is preferably circular, having a side wall H and an end wall IS. The end wall it is then depressed a selected amount as shown in Figure 3. providing a rounded portion or rim is and a dished or reentrant portion 20. This reentrant portion 20 is punched as at 22 to provide an opening and the flange 24 so formed is then formed to be used as a closure the threads may be omitted.
As a final step, the recess 32 is formed in the wall it in the form of a re-entrant recess, the trough of which extends toward the re-fianged portion 38 moving a portion of said wall in further contact with the refianged portion 28, the recess forming receiving means for a seal and additionally providing a reinforcing rib 3a. This contact is over a surface. The plate in may then .be shaped to its .desired shape, depending upon the use to which the article is to be used. -Of course, the recess 32 may be omitted if desired, depending upon the strength desired at the opening and use of the article.
The threaded opening may be formed by any desired tool or tools, and of the desired size, depth, etc., an example of a machine for forming the opening described being shown and described in my copending application Serial No. 603,683, filed July '7, 1945, for a Machine for forming threaded openings. 7
It is to be understood that this application is not to be limited by the exact embodiments of the device shown, which are merely by way of illustration and not limitationas various and other forms of the device will, of course, be apparent to those skilled in the art without departing from the spirit of the invention or the scope of the claims.
I claim:
1. The method of forming an opening member in a plate or the like comprising, forming a circular recess having a. wall extending from the plate, the wall being closed by an end portion, dishing and punching such end wall to form a reentrant flange and annular recess, reflanglng such flange at its end, and closing said recess in said wall.
2. The method of forming a bung in a metallic plate comprising forming a substantially cylindrical recess, the side wall of which is substantially normal to the plane of the plate, the plane of the end wall being spaced from the plane of the plate, dishing and punching the end wall to form a reentrant flange and annular recess,
said flange being disposed substantially equidistant from said side wall and intersecting the plane of said plate, forming a reflange on the reentrant flange adjacent its free edge whereby the edge is flared to tightly engage the plate at the junction between the plate and side wall closing said recess, the bottom edge of the reflange being substantially in the plane or said plate, and threading the reentrant flange between the reflange and junction between the reentrant flange and side wall.
3. The method of forming a bung in a metallic plate comprising forming a substantially cylindrical recess, the side wall of which is angularly disposed with respect to said plate, the plane of the end wall being spaced from the plane of the reflange.
plate, dishing and punching the end wall to form a reentrant flange and annular recess, forming a reflange on the reentrant flange adjacent its free edge whereby the edge is flared toward the junction between the plate and side wall, the bottom edge of the reflange being substantially in the plane or said plate, threading the reentrant flange, and forming a reentrant recess in said side wall toward the reflange to cause tight contact between a portion of the sidewall and ROY J. THOMPSON.
REFERENCES CITED The following references are of record in the flle of this patent:
* UNITED STATES PATENTS.
Number .Name Date 680,991 Crosby Aug. 20, 1901 1,088,641 Webster Feb. 24, 1914 2,195,321 Batt Mar. 26, 1940 2,289,887 Shapiro July 14, 1942 2,299,183 Shanor Oct. 20, 1942 FOREIGN PATENTS Number Country Date 832,697 France July 4, 1938
US74588147 1945-07-07 1947-05-03 Method of forming bungs in metallic plates Expired - Lifetime US2460721A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US603682A US2460720A (en) 1945-07-07 1945-07-07 Threaded opening
US74588147 US2460721A (en) 1945-07-07 1947-05-03 Method of forming bungs in metallic plates

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US74588147 US2460721A (en) 1945-07-07 1947-05-03 Method of forming bungs in metallic plates

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552794A (en) * 1946-03-08 1951-05-15 United Carr Fastener Corp Nut device
US2960954A (en) * 1954-05-12 1960-11-22 American Flange & Mfg Containers and closures therefor
US2970381A (en) * 1959-02-27 1961-02-07 George W Pierce Adjustable level position indicator for objects subject to movement
US3070058A (en) * 1957-04-01 1962-12-25 Bendix Corp Process of manufacture for master cylinder filler caps
US3152718A (en) * 1962-03-08 1964-10-13 Weatherhead Co Cylinder boss
US3186368A (en) * 1962-03-08 1965-06-01 Weatherhead Co Method of making a cylinder boss
US3358546A (en) * 1966-01-04 1967-12-19 Monarch Rubber Company Plate metal products with two-way extruded nuts
US3365997A (en) * 1964-12-21 1968-01-30 Monarch Rubber Company Extruded and threaded plate metal sleeve structures
US3513684A (en) * 1966-01-04 1970-05-26 Monarch Rubber Co Method of making plate metal product with two-way extruded nut
US4033369A (en) * 1975-11-03 1977-07-05 Temco Metal Products Company, Inc. Safety connector for pressure tank
EP0355647A2 (en) * 1988-08-13 1990-02-28 Neue Fasstechnik Gesellschaft mit beschränkter Haftung NFT Container having a bung
WO1991001188A1 (en) * 1989-07-20 1991-02-07 Eagle Precision Technologies Limited Improvements in or relating to metal deformation
EP0488500A1 (en) * 1990-11-28 1992-06-03 Pac-Fasteners Scalloped nut and method of construction
US5297411A (en) * 1989-07-20 1994-03-29 Eagle Precision Technologies Limited Method of forming threaded opening
US5305906A (en) * 1989-03-31 1994-04-26 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Drum with plug
US5618144A (en) * 1995-09-11 1997-04-08 Sigma Tool & Machine Tee-nut with enlarged barrel end
US5658112A (en) * 1994-05-20 1997-08-19 Tecnocar S.R.L. Process for manufacturing a single component cover for oil filters for vehicles
US5709313A (en) * 1995-06-22 1998-01-20 E & H Investments Drum outlet construction
US5761949A (en) * 1997-02-19 1998-06-09 Trans-Matic Manufacturing Company Deep-drawn stamping process including side piercing
US5815923A (en) * 1995-02-14 1998-10-06 Nec Corporation Bearing and method of manufacturing the same
US6163930A (en) * 1998-04-23 2000-12-26 King; Ron E. Hidden hinge for use with composite materials and a cabinet made therefrom
US6378350B1 (en) * 1994-08-31 2002-04-30 Tadao Ito Seat belt anchorage plate for seat belt device and method for manufacturing the same
US6439818B1 (en) * 1998-06-03 2002-08-27 Nagayama Electronic Industry Co., Ltd. Nut and intermediate product therefor
US6588087B1 (en) * 2001-10-02 2003-07-08 Fisher Dynamics Corporation Method of forming a side plate with integral boss
US20040109740A1 (en) * 2001-09-28 2004-06-10 Nilsen Martin J. Threaded fastener nut with anti-cross threading radiused features and tactile feedback features
US20080236958A1 (en) * 2007-03-29 2008-10-02 Debiasi International Limited Pressure vessel for vehicular air brake system
US20090044408A1 (en) * 2005-03-29 2009-02-19 John Lamkin Fin-Tube Heat Exchanger Collar, and Method of Making Same
US20090148090A1 (en) * 2007-12-07 2009-06-11 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Stamped inner or outer races
DE102009057928A1 (en) * 2009-12-09 2011-06-16 Keiper Gmbh & Co. Kg Vehicle seat, in particular motor vehicle seat

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US680991A (en) * 1901-05-15 1901-08-20 Crosby Co Screw-nut.
US1088641A (en) * 1913-02-06 1914-02-24 Bridgeport Brass Co Sheet-metal nut and method of making the same.
FR832697A (en) * 1938-01-27 1938-09-30 Radioelectrique Const Improvements to the rigid assembly of rods with metal plates or blades
US2195321A (en) * 1938-05-19 1940-03-26 Rouseville Cooperage Company Nonrefillable drum
US2289887A (en) * 1941-06-06 1942-07-14 Shapiro Jacob Ice and the like bag
US2299183A (en) * 1939-12-29 1942-10-20 Petroleum Iron Works Company Sheet metal barrel or drum

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US680991A (en) * 1901-05-15 1901-08-20 Crosby Co Screw-nut.
US1088641A (en) * 1913-02-06 1914-02-24 Bridgeport Brass Co Sheet-metal nut and method of making the same.
FR832697A (en) * 1938-01-27 1938-09-30 Radioelectrique Const Improvements to the rigid assembly of rods with metal plates or blades
US2195321A (en) * 1938-05-19 1940-03-26 Rouseville Cooperage Company Nonrefillable drum
US2299183A (en) * 1939-12-29 1942-10-20 Petroleum Iron Works Company Sheet metal barrel or drum
US2289887A (en) * 1941-06-06 1942-07-14 Shapiro Jacob Ice and the like bag

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552794A (en) * 1946-03-08 1951-05-15 United Carr Fastener Corp Nut device
US2960954A (en) * 1954-05-12 1960-11-22 American Flange & Mfg Containers and closures therefor
US3070058A (en) * 1957-04-01 1962-12-25 Bendix Corp Process of manufacture for master cylinder filler caps
US2970381A (en) * 1959-02-27 1961-02-07 George W Pierce Adjustable level position indicator for objects subject to movement
US3152718A (en) * 1962-03-08 1964-10-13 Weatherhead Co Cylinder boss
US3186368A (en) * 1962-03-08 1965-06-01 Weatherhead Co Method of making a cylinder boss
US3365997A (en) * 1964-12-21 1968-01-30 Monarch Rubber Company Extruded and threaded plate metal sleeve structures
US3358546A (en) * 1966-01-04 1967-12-19 Monarch Rubber Company Plate metal products with two-way extruded nuts
US3513684A (en) * 1966-01-04 1970-05-26 Monarch Rubber Co Method of making plate metal product with two-way extruded nut
US4033369A (en) * 1975-11-03 1977-07-05 Temco Metal Products Company, Inc. Safety connector for pressure tank
US5190181A (en) * 1988-03-13 1993-03-02 Buedenbender Bernd Container with cap-type closure
EP0358960A1 (en) * 1988-08-13 1990-03-21 Bernd Büdenbender Container with a bung
EP0355647A3 (en) * 1988-08-13 1990-12-12 Bernd Budenbender Container having a bung
EP0355647A2 (en) * 1988-08-13 1990-02-28 Neue Fasstechnik Gesellschaft mit beschränkter Haftung NFT Container having a bung
US5016775A (en) * 1988-08-13 1991-05-21 Buedenbender Bernd Bung-type container
US5052576A (en) * 1988-08-13 1991-10-01 Buedenbender Bernd Container with cap-type closure
US5305906A (en) * 1989-03-31 1994-04-26 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Drum with plug
US5297411A (en) * 1989-07-20 1994-03-29 Eagle Precision Technologies Limited Method of forming threaded opening
WO1991001188A1 (en) * 1989-07-20 1991-02-07 Eagle Precision Technologies Limited Improvements in or relating to metal deformation
EP0488500A1 (en) * 1990-11-28 1992-06-03 Pac-Fasteners Scalloped nut and method of construction
US5139380A (en) * 1990-11-28 1992-08-18 Pac Fasteners Scalloped nut and method of construction
US5658112A (en) * 1994-05-20 1997-08-19 Tecnocar S.R.L. Process for manufacturing a single component cover for oil filters for vehicles
US6378350B1 (en) * 1994-08-31 2002-04-30 Tadao Ito Seat belt anchorage plate for seat belt device and method for manufacturing the same
US5815923A (en) * 1995-02-14 1998-10-06 Nec Corporation Bearing and method of manufacturing the same
US5709313A (en) * 1995-06-22 1998-01-20 E & H Investments Drum outlet construction
US5618144A (en) * 1995-09-11 1997-04-08 Sigma Tool & Machine Tee-nut with enlarged barrel end
US5761949A (en) * 1997-02-19 1998-06-09 Trans-Matic Manufacturing Company Deep-drawn stamping process including side piercing
US6163930A (en) * 1998-04-23 2000-12-26 King; Ron E. Hidden hinge for use with composite materials and a cabinet made therefrom
DE19925651B4 (en) * 1998-06-03 2007-06-28 Nagayama Electronic Industry Co., Ltd. Mother and for this intermediate used
US6439818B1 (en) * 1998-06-03 2002-08-27 Nagayama Electronic Industry Co., Ltd. Nut and intermediate product therefor
US20040109740A1 (en) * 2001-09-28 2004-06-10 Nilsen Martin J. Threaded fastener nut with anti-cross threading radiused features and tactile feedback features
US6908272B2 (en) * 2001-09-28 2005-06-21 Illinois Tool Works Inc. Threaded fastener nut with anti-cross threading radiused features and tactile feedback features
US20030189371A1 (en) * 2001-10-02 2003-10-09 Collins Cecil A. Side plate with integral boss
US7165812B2 (en) * 2001-10-02 2007-01-23 Fisher Dynamics Corporation Side plate with integral boss
US6588087B1 (en) * 2001-10-02 2003-07-08 Fisher Dynamics Corporation Method of forming a side plate with integral boss
US20090044408A1 (en) * 2005-03-29 2009-02-19 John Lamkin Fin-Tube Heat Exchanger Collar, and Method of Making Same
US20080236958A1 (en) * 2007-03-29 2008-10-02 Debiasi International Limited Pressure vessel for vehicular air brake system
US20090148090A1 (en) * 2007-12-07 2009-06-11 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Stamped inner or outer races
DE102009057928A1 (en) * 2009-12-09 2011-06-16 Keiper Gmbh & Co. Kg Vehicle seat, in particular motor vehicle seat
US8973998B2 (en) 2009-12-09 2015-03-10 Keiper Gmbh & Co. Kg Vehicle seat, in particular motor vehicle seat

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