Apparatus for compressing sleeves onto structural rods

Details Apparatus for compressing sleeves onto structural rods Apparatus for compressing sleeves onto structural rods

1976-04-12

1977-11-15

Moon, Charlie T.

Metal working

Means to assemble or disassemble

By deforming

29237, 29518, 29519, 72253R, B23P 1100

Patent

active

040578828

ABSTRACT:
Apparatus for fastening to adjacent substantially co-axially disposed reinforcing rod ends a sleeve of uniform external cross-section throughout its length and having internal cross-sectional dimensions to enable it to receive and embrace both rod ends, comprising at least two fluid pressure operated jack units each having a cylinder, a piston and a piston rod; latching means for releasably securing the jack cylinders together in parallel spaced relationship to one another around one of the reinforcing rods in a zone not occupied by the sleeve; at least two die segments, which collectively provide an axial bore at least part of which is dimensionally smaller in cross-section than the external cross-sectional dimension of the sleeve, loosely mounted on the free ends of the piston rods so as to be capable of limited rotational movement relative thereto in a longitudinal direction; die segment retaining means at the extremities of the piston rods; ring-shaped locking members for temporarily securing the die segments in operative relationship one to the other and which permit the aforesaid limited rotational movement thereof; and complementary formations on the die segments for receiving the ring-shaped locking members.

REFERENCES:
patent: 1761521 (1930-06-01), Eastman
patent: 2406392 (1946-08-01), Minarik
patent: 2696130 (1954-12-01), Peters
patent: 3019520 (1962-02-01), Woolley
patent: 3201859 (1965-08-01), Stanley
patent: 3559270 (1971-02-01), Beghi
patent: 3614885 (1971-10-01), Eppler
patent: 3777354 (1973-12-01), Masters

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