US1880360A - Machine for making concrete pipes - Google Patents

Machine for making concrete pipes Download PDF

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Publication number
US1880360A
US1880360A US501011A US50101130A US1880360A US 1880360 A US1880360 A US 1880360A US 501011 A US501011 A US 501011A US 50101130 A US50101130 A US 50101130A US 1880360 A US1880360 A US 1880360A
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US
United States
Prior art keywords
core
mould
moulding
machine
revolution
Prior art date
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
Application number
US501011A
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English (en)
Inventor
Sapin Antoine
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Individual
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Individual
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Publication date
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Publication of US1880360A publication Critical patent/US1880360A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
    • B28B21/24—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like
    • B28B21/245—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like using a horizontal compacting roller in a horizontally rotatable mould

Definitions

  • the object of the present invention is a machine for making cylindrical tubes of compressed concrete avoiding the disadvantages above mentioned.
  • N ot only is the time of fabrication considerably reduced but the products obtained are homogeneous and their thickness absolutely regular over the whole length. It further enables tubes of widely varying diameters and thicknesses to be made.
  • Figure 1 is an end elevation.
  • Figure 2 shows juxtaposed half views in section of the positions of the cylinders at the commencement and end of the operation respectively.
  • Figure 3 is a front elevation
  • Figure 4 is a plan view.
  • a cylindrical core 1 having an end plate 3 fast thereon is stood upright and the washer 2 which moulds the spigot end connection of the tube is placed on the end plate 3.
  • the mould 4 comprising two semi-cylinders abutting on two diametrally opposite edges and held together by devices 5, 5', 5 is placed concentrically round the core.
  • the cylindrical annulus thus formed is now charged with the material from which the tube is to be made.
  • At the top of the core is ving on its axis which remains xed in posiplaced the washer G which forms the socket end ofthe tube.l
  • the cover plate 7 is ⁇ placed in position andixed by cotters'S.
  • the mould thus charged and closed is turned f 'on its side and placed on rollers 9, 9, 9, 55
  • Driving is effected through shafts 13 and 13 which can slide axially through pulleys driven, for example by a motor.
  • These shafts have Vsuitable pins engaging in the respective sets of apertures 10, 11, 12 and 10', 11 and 12 Levers 14 and 14 through springs l5 and a thorough rolling.
  • rollers whose transverse separation can be adjusted as desired according to the diameter of the tube to be made, by means of 'f notches such as 17, 17. symmetrically located with respect to the diametral plane of the machine, are carried on bearings 18, 18 secured on sliding supports 19, 19 which V can be raised or lowered by vertical screws 20, 20 rotatable from a hand wheel 2l through alchain 22 and pinions 23, 23.
  • the hand wheel-21 is turned to raise the rollers.
  • the core continues rotat- 151 tion while the external mouldv cylinder carriedby the rollers also continues to rotate about its axis but the latter is displaced parallel with itself in a vertical plane.
  • the cylindrical surfaces move o5 closer together under the continuous rise of the rollers. In this region therefore the material is tamped or rolled.
  • An indicating hand 24 following the displacement of the rollers shows on a scale ciently stiff to retain the position into which it is rolled.
  • Apparatus for moulding pipes comprising an outer cylindrical mould, end covers for said mould, a full length cylindrical core in said mould, means for rotating saidy core and means for moving said mould radially with its axis parallel to the aXis of said core.
  • an outer hollow mould having its moulding surface in the form of a surface of revolution, a full length core in said mould having its surface in the form of a surface of revolution, means for rotatably supporting said mould, aligned end shafts adapted to be engaged with and 'disengaged from said core to enable said core to be rotated and said moulding members to be removed, and means for displacing said supporting means transversely with respect to said core.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
US501011A 1930-03-03 1930-12-09 Machine for making concrete pipes Expired - Lifetime US1880360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR691411T 1930-03-03

Publications (1)

Publication Number Publication Date
US1880360A true US1880360A (en) 1932-10-04

Family

ID=9033425

Family Applications (1)

Application Number Title Priority Date Filing Date
US501011A Expired - Lifetime US1880360A (en) 1930-03-03 1930-12-09 Machine for making concrete pipes

Country Status (3)

Country Link
US (1) US1880360A (en(2012))
BE (1) BE372890A (en(2012))
FR (1) FR691411A (en(2012))

Also Published As

Publication number Publication date
BE372890A (en(2012))
FR691411A (fr) 1930-10-21

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