Pipe joints or couplings – Detachable hinge
Patent
1992-07-13
1994-05-24
Reese, Randolph A.
Pipe joints or couplings
Detachable hinge
285368, 285412, 285415, F16L 3500, F16L 23032
Patent
active
053142152
ABSTRACT:
The invention relates to a flange ring which is divided in two along a plane extending in the axial direction and wherein, in the zone of the two abutment places each flange half has a bolt at one abutment place and a pocket at the other, so that the bolt on one flange half engages positively in the pocket of the other flange half, the flange ring being formed with holes in both flange halves for the passage of the fastening screws. The characterizing feature of the invention is that the flange ring is divided in the center into two identical halves (1a, 1b) and the bolt (8) so engages positively behind the pocket (9) that the flange halves (1a, 1b) are joined together in the bent state, and after being joined together the flange halves (1a, 1b) cannot be separated in the radial direction with the flange ring (1) flat.
REFERENCES:
patent: 335592 (1886-02-01), Worth
patent: 570975 (1896-11-01), Anderson
patent: 2911239 (1959-11-01), Marzolf, Sr.
patent: 3175851 (1965-03-01), McMurray
patent: 3515416 (1970-06-01), Pickert et al.
patent: 3549179 (1970-12-01), Cox
patent: 3587010 (1971-06-01), Walsh
patent: 3895833 (1975-07-01), Thiessen
patent: 4519639 (1985-05-01), Florian
Chun Heather
Reese Randolph A.
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