US227673A - Tubular rivet - Google Patents

Tubular rivet Download PDF

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US227673A
US227673A US227673DA US227673A US 227673 A US227673 A US 227673A US 227673D A US227673D A US 227673DA US 227673 A US227673 A US 227673A
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tubular
tubular rivet
rivet
sections
sheet metal
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/06—Solid rivets made in one piece

Definitions

  • tubular rivets may be made from a single piece of sheet metal; but, so far as I am acquainted with the art, all tubular rivets made from sheet metal have shanks formed in sections for a part or a whole of their length and my invention consists in corrugating the said sections.
  • a tubular rivet made of sheet metal, the shank being formed in sections, corrugated, substantially as described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Description

M. BRAY. Tubular Rivet.
Fig-14 T1393.
' Fig.6..
warm. mow u'rmmpuen. WASHINGTON. o. c.
Pat 'ented May 18, 1880.
Inventor."
UNITED .STATEs PATENT OFFICE.
MELLEN BRAY, O F NEWTON, MASSACHUSETTS.
TUBULAR RIVET.
SPECIFICATION forming part of Letters Patent No. 227,673, dated May 18, 1880, Application filed February 26. 1880.
There are several methods by which tubular rivets may be made from a single piece of sheet metal; but, so far as I am acquainted with the art, all tubular rivets made from sheet metal have shanks formed in sections for a part or a whole of their length and my invention consists in corrugating the said sections.
I make rivets embracing my said invention as follows: I first cut blanks to. the shape shown in the drawings at Figures 1 and 2, each blank consisting of a disk with two arms, and next strike these'blanks in dies to the form shownin Figs. 3, 4, and 5, the dies so acting upon the arms of the blank that the greater portion becomes semi-tubular and corrugated, while a portion remains as nearly flat as may be. The arms are then folded underneath the disk, the flat portions being pressed against the disk to form a head, and the semi-tubular portions coming together to form a tubular shank, as shown in Figs. 6 and 7 but I make no claim to thismethod of construction as new except where the corrugations form a feature thereof; and it is obvious that the head of a sheet metal rivet having a tubular shank formed in sections might be made in any wellknown Way without departing from my invention.
I claim- A tubular rivet made of sheet metal, the shank being formed in sections, corrugated, substantially as described.
MELLEN BRAY. Witnesses:
W. W. SWAN, H. G. OLMSTED.
US227673D Tubular rivet Expired - Lifetime US227673A (en)

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