US430000A - Method of uniting the edges of sheet metal - Google Patents

Method of uniting the edges of sheet metal Download PDF

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Publication number
US430000A
US430000A US430000DA US430000A US 430000 A US430000 A US 430000A US 430000D A US430000D A US 430000DA US 430000 A US430000 A US 430000A
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Prior art keywords
edges
sheet metal
joint
uniting
tongues
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/02Riveting procedures
    • 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
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/14Bale and package ties, hose clamps
    • Y10T24/1457Metal bands
    • Y10T24/148End-to-end integral band end connection
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49915Overedge assembling of seated part
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/49Member deformed in situ
    • Y10T403/4991Both members deformed

Description

(No Model.)

W. H.- 8v W. J. CLARK. METHOD OP UNITING THB EDGBS OP SHEET METAL.

No. 430.000. Patented June 10, 1890.

' UNITED STATES PATENT OFFICE.

VILLIAM H. CLARK AND VILLIAM J. CLARK, OF SALEM, OHIO.

METHOD OF UNITING THE EDGES OF SHEET METAL.

SPECIFICATION forming part of Letters Patent No. 430,000, dated June 10, 1890.

Application iilecl'February 8, 1890. Serial No. 339,690. (No model.)

To all whom it may concern.-

Be it known that We, WILLIAM H. CLARK and WILLIAM J. CLARK,both residents of Salem,in the county of Columbiana and State of Ohio, have invented certain new and useful Improvements in the Method of Uniting the Edges of Sheet Metal; and we do hereby declare that the following is a full, clear, and eX- act description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification, and in which- Figure l is a perspective View showing the obverse side of two pieces of sheet metal, the edges of which are united according,r to our improved method. Fig. 2 is a similar view of the same parts as these appear from the opposite or reverse side. Fig. 3 is an enlarged perspective view of the punch which we employ in producing the joint illustrated in the preceding two figures. Fig. 4 is a perspective view of a seam or joint, illustrating a slightly-modified form of the same. Fig. 5 is an enlarged perspective view of the punch or tool which we employ in producing the joint shown in the last-named figure. Fig. 6 shows the joint represented in Fig. 4 as it appears from the opposite or reverse side. Fig. 7 1s a view showing the method of using the punch in the formation ot' the joint. Fig. 8 is a sectional view through the joint as it appears after punching, but before completing and finishing by hammering or pressing the same. Fig. 9 is a similar view of the joint as it appears in a complete and iinished form after hammering down or pressing the seam. Fig. 10 is a perspective View of the two parts shown united in Figs. 1 and 2 as these would appear if separated, and Fig. ll is a similar view of the seam or joint illustrated in Figs. 4 and 6 as it would appear if the'two parts were torn apart or separated from each other.

Like letters of reference denote corresponding parts in all the figures.

Our invention relates to means for uniting the edges of sheet metal in asimple, expeditious, and inexpensive 1nanner,'which shall be suiciently strong and durable for all ordinary purposes not requiring riveting, and

may therefore be employed advantageously in the manufacture of sheet-metal ware of many kinds, such as elevator-buckets, grainmeasures, culinary utensils, and for many other purposes which will readily suggest themselves.

In carrying out our invention we employ a punch consisting of a round bar A, of steel, having its lower end cut off obliquely to form a chisel-shaped point B, the oblique side of which is dat, presenting an ellipse in outline, while the opposite side is round. The two pieces or sides of the metal to be united (shown, respectively, at C and D) are overlapped upon each other, and then placed upon a die or anvil E, having one or more circular holes or recesses F, corresponding in dimensions to the point of the punch A. While the parts C and D are in this overlapped position upon the die block or anvil, the punch is placed with its cutting-point against the uppermost piece of metal, and by a sharp blow upon the punch the two overlapping pieces of metal are both cut through partially and simultaneously, forming a D-shaped cut, as shown at G, and at the same time forcing the tongues H and I, formed by this cut, partially down into the recess F in the linderlying block or anvil. In the punching of these tongues H and I the metal forming the same is stretched or expanded slightly by the pressure of the punch in striking them upthat is to say, these tongues or lips when struck up by the punch will be of slightlylarger dimensions than the holes from which they are cut, so that when the seam is flattened and nished by hammering the eX- panded tongues down over and upon the holes from which they have been cut the tongues cannot enter or pass through said holes, and it follows that the two edges will be firmly united. In this complete and finished form the joint or seam will present the appearance shown in Figs. l, 2, and 9.

If desired, the form of the punching-tool may be slightly modified by constructing its point in a Wedge shape, as shown at J in Fig. 5, forming a straight cutting-rib K, which by cutting into the middle of the tongue formed by punching will make a cut or indentation in the same, as illustrated at L in Figs. 6 and Il, thereby flaring or still farther expanding IOO the tongue in such a manner that it cannot again pass through the hole from which it has been cut. This last-named construction of the joint will be found advantageous in jointing thin sheet metal Where the metal is so thin that it cannot readily be expanded suiiiciently by merely red ucing its thickness. XVhere heavy sheets are to be joined together, this indentation or expanding cut L is not required, because the metal in itself then possesses sufficient thickness and body to enable the holding lips or tongues ll and I to become flattened and spread out or expanded in such a manner as to increase their area to such an extent that they cannot re-enter the apertures from which they have been cut, and through which they are forced in cuttin It is obvious that instead of joining together or uniting' only two overlappingparts of sheet metal three or more layers may be united in the same manner, and the joint completed by hammering or pressing the seam down in such a manner as to V[latten the expanded holding lips or tongues ll and l down upon each other and against the seam, so as to 'form a comparatively smooth, even, and Wellfinished joint or seam.

lf it is desired to make the seam absolutely Water-tight, this maybe accomplished by soldering the scam along the edge, the solder in that case not operating so much to unite the parts as to make the joint or seam perfectly air and water tight.

lf desired, the lips or tongues by which the joint is formed may be cut and pressed together after cutting by machinery instead of by hand, said'machinery comprising a series of punches operating in conjunction with a recessed bed or anvil, substantially in the saine manner hereinbefore set forth.

Having thus described our invention, We claim and desire to secure by Letters Patent of the United States- The hereinbefore-described method or process of uniting the edges of sheet metal, which consists in the following' steps: first, overlapping the edges of the metal to be joined; secondly, punching the overlapped edges by a suitable tool to form D shaped lips or tongues, and during this process of punching forcing said tongues together and in a downward direction through the apertures formed in cutting or punching them; thirdly, and si multaneously with the punching, expanding the metal of said tongues, and, lastly, further expanding said tongues and simultaneouslyT therewith flattening them down upon the seam by hammering or pressure, thereby forming a complete and finished joint, substantially in the manner and for the purpose herein set forth.

In testimony that we claim the foregoing as our own we have hereunto affixed our signatures in presence of two `witnesses.

VILLIA Il. CLARK. \VILLIAM J. CLARK.

Witnesses:

W. W. HOLE, IDA A. CLARK.

US430000D Method of uniting the edges of sheet metal Expired - Lifetime US430000A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520314A (en) * 1948-04-27 1950-08-29 Clarence D Harris Fence
US2656730A (en) * 1949-12-08 1953-10-27 Mitchell Co John E Pulley and method of making same
US2671951A (en) * 1949-10-03 1954-03-16 Jefferson Electric Co Transformer core and method of making same
US2728982A (en) * 1949-12-22 1956-01-03 Oliver B Merrill Method of making bendable weather or trim strip
US2812813A (en) * 1954-04-29 1957-11-12 Orchard Brothers Inc Awnings
US2830683A (en) * 1954-02-23 1958-04-15 Griffith Steward Means for securing inverted t-shaped members in a metal grid
US2944503A (en) * 1954-05-12 1960-07-12 Acme Steel Co Crimping tool for forming roof deck
US3081537A (en) * 1959-07-14 1963-03-19 Acme Steel Co Method and tool for fastening roof deck
US3082850A (en) * 1959-10-12 1963-03-26 Weening Samuel Structural panel
US3129489A (en) * 1959-03-16 1964-04-21 Enamel Products Splicer
US3163931A (en) * 1960-07-28 1965-01-05 Reynolds Metals Co Method of joining strip
US3332473A (en) * 1964-05-08 1967-07-25 Roy W Frederickson Screen vent structure
US3462805A (en) * 1966-10-06 1969-08-26 Sverre Quisling Integral fastener
US3514988A (en) * 1967-05-29 1970-06-02 Itt Tool for making cordwood module
US3812554A (en) * 1972-04-03 1974-05-28 Gen Electric Crimp locked outer turn for induction core
US4333672A (en) * 1979-08-09 1982-06-08 Arvin Industries, Inc. Tube-to-tube connection
US4334703A (en) * 1979-08-09 1982-06-15 Arvin Industries, Inc. Tube-to-plate connection
US4817334A (en) * 1985-02-11 1989-04-04 Palladium Security Products (1985) Inc. Window bar security system
US20050105964A1 (en) * 2003-11-13 2005-05-19 Gerfast Sten R. Abutting clinch-joining method
US20070094983A1 (en) * 2005-10-04 2007-05-03 Federal Mogul World Wide, Inc. Sheet metal joint
US20110293411A1 (en) * 2009-02-05 2011-12-01 Aircelle Honeycomb core structure for use in a structural panel for a jet engine nacelle
US8281475B2 (en) 2009-10-05 2012-10-09 Federal-Mogul World Wide, Inc. Sheet metal joint

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520314A (en) * 1948-04-27 1950-08-29 Clarence D Harris Fence
US2671951A (en) * 1949-10-03 1954-03-16 Jefferson Electric Co Transformer core and method of making same
US2656730A (en) * 1949-12-08 1953-10-27 Mitchell Co John E Pulley and method of making same
US2728982A (en) * 1949-12-22 1956-01-03 Oliver B Merrill Method of making bendable weather or trim strip
US2830683A (en) * 1954-02-23 1958-04-15 Griffith Steward Means for securing inverted t-shaped members in a metal grid
US2812813A (en) * 1954-04-29 1957-11-12 Orchard Brothers Inc Awnings
US2944503A (en) * 1954-05-12 1960-07-12 Acme Steel Co Crimping tool for forming roof deck
US3129489A (en) * 1959-03-16 1964-04-21 Enamel Products Splicer
US3081537A (en) * 1959-07-14 1963-03-19 Acme Steel Co Method and tool for fastening roof deck
US3082850A (en) * 1959-10-12 1963-03-26 Weening Samuel Structural panel
US3163931A (en) * 1960-07-28 1965-01-05 Reynolds Metals Co Method of joining strip
US3332473A (en) * 1964-05-08 1967-07-25 Roy W Frederickson Screen vent structure
US3462805A (en) * 1966-10-06 1969-08-26 Sverre Quisling Integral fastener
US3514988A (en) * 1967-05-29 1970-06-02 Itt Tool for making cordwood module
US3812554A (en) * 1972-04-03 1974-05-28 Gen Electric Crimp locked outer turn for induction core
US4333672A (en) * 1979-08-09 1982-06-08 Arvin Industries, Inc. Tube-to-tube connection
US4334703A (en) * 1979-08-09 1982-06-15 Arvin Industries, Inc. Tube-to-plate connection
US4817334A (en) * 1985-02-11 1989-04-04 Palladium Security Products (1985) Inc. Window bar security system
US20050105964A1 (en) * 2003-11-13 2005-05-19 Gerfast Sten R. Abutting clinch-joining method
US7065854B2 (en) * 2003-11-13 2006-06-27 Gerfast Sten R Abutting clinch-joining method
US20070094983A1 (en) * 2005-10-04 2007-05-03 Federal Mogul World Wide, Inc. Sheet metal joint
US7614201B2 (en) * 2005-10-04 2009-11-10 Federal-Mogul World Wide, Inc. Sheet metal joint
US20110293411A1 (en) * 2009-02-05 2011-12-01 Aircelle Honeycomb core structure for use in a structural panel for a jet engine nacelle
US9108385B2 (en) * 2009-02-05 2015-08-18 Aircelle Honeycomb core structure for use in a structural panel for a jet engine nacelle
US8281475B2 (en) 2009-10-05 2012-10-09 Federal-Mogul World Wide, Inc. Sheet metal joint

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