US1007027A - Process of making expanded metal. - Google Patents

Process of making expanded metal. Download PDF

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Publication number
US1007027A
US1007027A US59676310A US1910596763A US1007027A US 1007027 A US1007027 A US 1007027A US 59676310 A US59676310 A US 59676310A US 1910596763 A US1910596763 A US 1910596763A US 1007027 A US1007027 A US 1007027A
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Prior art keywords
slits
sheet
members
series
longitudinal
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US59676310A
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William D Forsyth
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ALEXANDER M NEEPER
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ALEXANDER M NEEPER
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Priority to US59676310A priority Critical patent/US1007027A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
    • B21D31/043—Making use of slitting discs or punch cutters
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/18—Expanded metal making
    • Y10T29/185—Expanded metal making by use of reciprocating perforator

Definitions

  • expanded metal which has longitudinal and meshed members which consists in the following: 1st. Slitting a sheet of metal with series of longitudinal parallel slits made at equal intervals along said sheet, the outside line of slits of each of said series of slits being coincident with the edges of the longitudinal members of said sheet. 2nd. slitting said sheet with other series of longitudinal parallel slits of substantially the same length as the first mentioned series of slits, parallel to, intermediate and between said first mentioned series of slits, the medial points in said'last mentioned series of slits being substantially equidistant from the medial points of the adjacent slits of the first mentioned series. 3rd.
  • Figure 1 represents a sheet of metal with a series of longitudinal slits made therein preparatory to forming the longitudinal and meshed members of my improved expanded metal.
  • Fig.2 shows the slit sheet corrugated so that the one series of slits will coincide with the bases of the corrugations and the other series said corrugations.
  • Fig. 3 shows the end view of my improved expanded metal with of slits with the apexes of the longitudinal members ribbed and the meshed members corrugated.
  • X is a sheet of metal in which a, b and 0 represent the longitudinal members of my improved expanded metal.
  • 1, 1', l, 1', 1, 2. and 2, 2", 2",. 2 represent slits made in said sheet in two parallel series, S, S.
  • My invention consists of a process of mak-
  • the slits 2, 2, 2, 2' form the apertures in the meshes of my expanded metal, the slits 1, 1, 1", 1, 1" coinciding with the bases of the corrugations thereof and the slits 2, 2', 2", 2 coinciding with the apexes of the corrugations thereof.
  • the relations of the longitudinal members a, b and c and the corrugated meshed members of'my expanded metal when the sheets are shown in Fig. 2.
  • the series of slits S S may be formed by rolls having proper cutters arranged to perforate the sheet to be expanded, with slits in the positions shown in Fig. 1 of the drawing, said slits being longitudinal at 1, 1', 1", 1', 1 and at 2, 2, 2", 2' and transverse at t.
  • the sheet is again passed through another pair of rolls to form the corrugations therein so that the perforations represented by slits 1, 1, 1", 1', 1" shall be at the bases of the corrugations and rations represented by slits 2, 2', 2". 2 shall be at the apexes of said corrugations.
  • the sheet may other pair of rolls.
  • the perfothen be passed through anor shortened, the shortening of the sheets treated when expanded being taken up in the movements of the meshed members with in themselves, the-ends of said meshed members approaching one another as the stretch ing takes place and separating from the ends of adjacent meshed members.
  • the longitudinal,members are shown in the drawing to be three in number; they may be any number desired within the limits in size of the sheet and the lines of meshed members to be formed, and while the meshed members are shown of a given number in the drawing that number may be changed, being made greater or less as may be desired for any particular use, All of these variations in form may be made without departure from the spirit of my invention.
  • corrugations and the slits of the second mentioned series shall coincide with the apexes of said corrugations; manipulating the longitudinal members so as to form them into ribs; then stretching said slitted sheet laterally so as to form the meshed members thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Description

W. D. FORSYTH. PROCESS OF MAKING EXPANDED METAL.
APPLIGKTIQN FILED 11116.12, 1910.
Patented Oct. 24, 1911.
WITNESSES i UNITED STATES PATEN T OFFICE.
WILLIAM D. FORSYTH, OF YOUNGSTOWN, OHIO, ASSIGNOR or ONE-HALFI'IO LEX- ANDER M. NEEPER, or PITTSBURGH, PENNSYLVANIA.
PROCESS or MAKING EXPAND D METAL.
Specification of Letters Patent.
Patented Oct. 24, 1911.
Application filed .December 12, 1910. Serialvflo. 596,763.
improvements in processes for making expanded metal adapted to be used in the construction of buildings, the roofs, walls and partitions thereof'and for reinforced concrete construction.
ing expanded metal which has longitudinal and meshed members which consists in the following: 1st. Slitting a sheet of metal with series of longitudinal parallel slits made at equal intervals along said sheet, the outside line of slits of each of said series of slits being coincident with the edges of the longitudinal members of said sheet. 2nd. slitting said sheet with other series of longitudinal parallel slits of substantially the same length as the first mentioned series of slits, parallel to, intermediate and between said first mentioned series of slits, the medial points in said'last mentioned series of slits being substantially equidistant from the medial points of the adjacent slits of the first mentioned series. 3rd. Transversely cutting said sheet between the outside slits of the first mentioned series of slits between the-edges of said lon itudinal members at the medial points 05 said slits of the first mentioned series. 4th. Corrugating said sheet so that the slits of the first mentioned series shall coincide with the bases of said corrugations and the slits of the second mentioned series shall coincide with the apexes of said corrugations. 5th. Stretching said sheet laterally so as to form the corrugated meshed members thereof.
Figure 1 represents a sheet of metal with a series of longitudinal slits made therein preparatory to forming the longitudinal and meshed members of my improved expanded metal. Fig.2 shows the slit sheet corrugated so that the one series of slits will coincide with the bases of the corrugations and the other series said corrugations. Fig. 3 shows the end view of my improved expanded metal with of slits with the apexes of the longitudinal members ribbed and the meshed members corrugated.
Similar figures and letters of reference refer to like parts throughout the several In Fig. 1, X is a sheet of metal in which a, b and 0 represent the longitudinal members of my improved expanded metal. 1, 1', l, 1', 1, 2. and 2, 2", 2",. 2 represent slits made in said sheet in two parallel series, S, S. The slits 1, 1, I, l, 1 and t, when the sheet of metal X is stretched laterally, form the outside edges of the meshed members of my improved expanded metal. My invention consists of a process of mak- The slits 2, 2, 2, 2', form the apertures in the meshes of my expanded metal, the slits 1, 1, 1", 1, 1" coinciding with the bases of the corrugations thereof and the slits 2, 2', 2", 2 coinciding with the apexes of the corrugations thereof. The relations of the longitudinal members a, b and c and the corrugated meshed members of'my expanded metal when the sheets are shown in Fig. 2.
The series of slits S S may be formed by rolls having proper cutters arranged to perforate the sheet to be expanded, with slits in the positions shown in Fig. 1 of the drawing, said slits being longitudinal at 1, 1', 1", 1', 1 and at 2, 2, 2", 2' and transverse at t. After said slits have been passed through suitable rolls to perforate the metal the sheet is again passed through another pair of rolls to form the corrugations therein so that the perforations represented by slits 1, 1, 1", 1', 1" shall be at the bases of the corrugations and rations represented by slits 2, 2', 2". 2 shall be at the apexes of said corrugations. The sheet may other pair of rolls. one of which is provided with a tongue and the other with a proper groove so as to form the longitudinal members a, 7) and 0 into ribs as shown in Fig. 3 at a, I) and 0. After these operations the slitted and ribbed sheet is stretched laterally With the result that my improved expanded metal is formed having longitudinal members and corrugated meshed'members said meshed members separating at their ends at the slit t and drawing away from one another at their extremities so that the longitudinal members of the sheet being operated upon are not materially distorted stretched, are
the perfothen be passed through anor shortened, the shortening of the sheets treated when expanded being taken up in the movements of the meshed members with in themselves, the-ends of said meshed members approaching one another as the stretch ing takes place and separating from the ends of adjacent meshed members.
The longitudinal,members are shown in the drawing to be three in number; they may be any number desired within the limits in size of the sheet and the lines of meshed members to be formed, and while the meshed members are shown of a given number in the drawing that number may be changed, being made greater or less as may be desired for any particular use, All of these variations in form may be made without departure from the spirit of my invention.
What I claim as my invention is:
1. The process of making an expanded metal having longitudinal members trans versely connected by independent disconnected corrugated meshed members which consists in slitting a sheet of metal with series of longitudinal parallel slits made at intervals along said sheet, the outside line of slits of said series of slits being coincident with the edges of the longitudinal members of said sheet; slitting said sheet with other series of longitudinal parallel slits of substantially the same length as the first mentioned series of slits, parallel to, intermediate and between the said first mentioned series of slits, the medial points in said last mentioned series of slits being substantially equidistant from the medial points of the ad acent slits of the first mentioned series; transversely cutting said sheets between the outside slits of the first mentioned series of slits between the edges of said longitudinal members at the medial points of said slits; corrugating said sheet so that the slits of the first mentioned series shall coincide with the bases of said corrugations and the slits of the second mentioned series shall coincide with the apexes of said corrugations; then stretching said slitted sheet laterally so as to form the meshed members thereof.
2. The process of making an expanded metal having longitudinal members transversely connected by independent disconnected corrugated meshed members, which consists in slitting a sheet of metal with series of longitudinal parallel slits made at intervals along said sheet, the outside lines of slits of said series being coincident with the edges of the connected longitudinal members of said expanded metal; slittin said sheet with other series of longitudina parallel slits of substantially the same length as the first mentioned series of slits, parallel to, intermediate and between said first mentioned series of slits, the medial points in said last mentioned series of slits being substantially equidistant from the medial points of the adjacent slits of the first mentioned series; transversely cutting said sheet between the outside slits of the first mentioned series of slits between the edges of said longitudinal members at the medial points of said slits; eorrugating said.
sheet so that the slits of the first mentioned series shall coincide with the bases of said.
corrugations and the slits of the second mentioned series shall coincide with the apexes of said corrugations; manipulating the longitudinal members so as to form them into ribs; then stretching said slitted sheet laterally so as to form the meshed members thereof.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
WILLIAM D. FURSYTH. Witnesses:
JAMES F. CALLAHAN, M. E. TnoMAs.
US59676310A 1910-12-12 1910-12-12 Process of making expanded metal. Expired - Lifetime US1007027A (en)

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