US1675727A - Method of securing stay rods to plates - Google Patents

Method of securing stay rods to plates Download PDF

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Publication number
US1675727A
US1675727A US223307A US22330727A US1675727A US 1675727 A US1675727 A US 1675727A US 223307 A US223307 A US 223307A US 22330727 A US22330727 A US 22330727A US 1675727 A US1675727 A US 1675727A
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plate
stay
rod
securing
plates
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US223307A
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Petty John
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JO PET Inc
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JO PET Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/08—Riveting by applying heat, e.g. to the end parts of the rivets to enable heads to be formed

Definitions

  • My invention relates to the construction of boilers and the like in which stay rods are employed and has for its object to filOVldG an improved method for securing t e stay rod to a plate, by employing which, a projecting end of the rod extending through a hole in the plate can be formed into a rivet head restin against the outside of the plate without su jecting the portion of the rod lying in and beyond the hole to the risk of distortion and by means of which the rivet head formed on the rod is maintained in tight contact with the outer face of the plate.
  • My improved method consists in inserting the rod in the plate so that its end will project on the outside thereof to a sufficient extent to provide material for the formation of a rivet head, then securing the rod to oneside of the plate, preferably the inside thereof, by means of an electric weld or similar fused union formin not only a sufliciently secure attachment iietween the parts but also as a conductor for heat between the rod and the plate, then heating the projecting end of the rod to a for in temperature and forging it into a rivet ea against the outside of the plate.
  • Figure 1 represents a corner of a boiler with a diagonal stay rod, the upper end of which is secured tothe shell by the means described in my prior Patent 1,557,084 of October 13, 1925, while the lower end of the stay rod is shown as rojecting through a hole in the boiler head?
  • Figure 2 is a fragmentary view showing the next stage ofmy method, and
  • Figure 3 a fragmentary view showing the completion of the attachment between the stay rod and the boiler head.
  • A indicates the head of the boiler; B its shell.
  • C is the stay bolt, he upper end of which is'formed as described in my former patent, with the head D and a rivet formin projection D extending1 through the shel and formed into a rivet ead D.
  • I project the end E of the stay rod through a hole A in the sheet to which it is to be attached and I then place a Wire F in near contact with the inner face of the plate A and the adjacent portions of the stay rod and form a fused union, as indicated at F the stay bolt to the inner face of the plate.
  • the fused union formed between the stay bolt and the sheet throu h which it passes, serves the purpose of su ciently uniting the plate and stay bolt to hold them in correct osition while the rivet head E is being ormed against the outer face of the plate. It also performs the function of forming an eflicient heat conducting connection between the stay and the plate so that the heatin of the end E of the stay rod does not result in unduly heating the inner portion of the stay, the heat being conducted from the heated end of the stay rod to the plate and thence dissipated b radiation to a sufficient extent to prevent t e over-heatin of the stay and the consequent risk of de orming it during the heating and forging o erations.
  • M method has the ad itional advantage in t at the stay bein secured to the inner face of the plate an a rivet head restin onthe outer face of the plate, the cooling 0 the end of the stay after the formation of therivet tends to draw the rivet head tightly against the outer face of the plate.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finger-Pressure Massage (AREA)

Description

, July 3,1928.
J. PETI'Y METHOD OF SECURING STAY RODS TO PLATES Filed 001;. l, 1927 1710 rzivk JakmPei fy Patented July 3, 1928.
. UNITED STATES PATENT OFFICE.
JOHN PETTY, OF LEBANON, PENNSYLVANIA, ASSIGNOR TO JO PET, INC., OF LEBANON, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.
METHOD OI SECURING STAY RODS T PLATES.
Application filed October 1, 1927. Serial No. 223,807.
My invention relates to the construction of boilers and the like in which stay rods are employed and has for its object to filOVldG an improved method for securing t e stay rod to a plate, by employing which, a projecting end of the rod extending through a hole in the plate can be formed into a rivet head restin against the outside of the plate without su jecting the portion of the rod lying in and beyond the hole to the risk of distortion and by means of which the rivet head formed on the rod is maintained in tight contact with the outer face of the plate. My improved method consists in inserting the rod in the plate so that its end will project on the outside thereof to a sufficient extent to provide material for the formation of a rivet head, then securing the rod to oneside of the plate, preferably the inside thereof, by means of an electric weld or similar fused union formin not only a sufliciently secure attachment iietween the parts but also as a conductor for heat between the rod and the plate, then heating the projecting end of the rod to a for in temperature and forging it into a rivet ea against the outside of the plate. My invention will be best understood as further described in connection with the drawings in which Figure 1 represents a corner of a boiler with a diagonal stay rod, the upper end of which is secured tothe shell by the means described in my prior Patent 1,557,084 of October 13, 1925, while the lower end of the stay rod is shown as rojecting through a hole in the boiler head? Figure 2 is a fragmentary view showing the next stage ofmy method, and
Figure 3, a fragmentary view showing the completion of the attachment between the stay rod and the boiler head.
A indicates the head of the boiler; B its shell. C is the stay bolt, he upper end of which is'formed as described in my former patent, with the head D and a rivet formin projection D extending1 through the shel and formed into a rivet ead D. In carry ing out my new method, I project the end E of the stay rod through a hole A in the sheet to which it is to be attached and I then place a Wire F in near contact with the inner face of the plate A and the adjacent portions of the stay rod and form a fused union, as indicated at F the stay bolt to the inner face of the plate. I then heat the projecting end E of the stay rod to a forging temperature and forge it down against the outer face of the plate to the form of a rivet head, as indicated at E in Fig. 3.
The fused union formed between the stay bolt and the sheet throu h which it passes, serves the purpose of su ciently uniting the plate and stay bolt to hold them in correct osition while the rivet head E is being ormed against the outer face of the plate. It also performs the function of forming an eflicient heat conducting connection between the stay and the plate so that the heatin of the end E of the stay rod does not result in unduly heating the inner portion of the stay, the heat being conducted from the heated end of the stay rod to the plate and thence dissipated b radiation to a sufficient extent to prevent t e over-heatin of the stay and the consequent risk of de orming it during the heating and forging o erations.
M method has the ad itional advantage in t at the stay bein secured to the inner face of the plate an a rivet head restin onthe outer face of the plate, the cooling 0 the end of the stay after the formation of therivet tends to draw the rivet head tightly against the outer face of the plate.
Having now described my invention, what I claim as new and desire to secure by Letters Patent, is:
1. The method of securing a stay rod to a sheet metal plate which consists in inserting the stay rod in a hole in the plate to a position in which its end will project beyond the outer surface of the plate to a sufficient extent to be formed into a rivet head, then securing the rod to one side of the plate by 95 a fused union, then heating the projecting in Fig. 2, uniting end of the rod to forging temperature and forging it into a rivet head against the outer face of the late.
2. The met 0d of securing a stay rod to a 5 sheet metal plate which consists in inserting the stay rod in a hole in the plate to a position in which its end will project beyond the outer surface of the plate to a eufiieient &-
7 JOHN PETTY.
US223307A 1927-10-01 1927-10-01 Method of securing stay rods to plates Expired - Lifetime US1675727A (en)

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US223307A US1675727A (en) 1927-10-01 1927-10-01 Method of securing stay rods to plates

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