Equipment for closing conduits

Details Equipment for closing conduits Equipment for closing conduits

1986-01-28

1987-08-18

Marcus, Stephen

Pipes and tubular conduits

With closures and plugs

Inflation stem type

81 5722, 254 97, F16L 5512

Patent

active

046870261

ABSTRACT:
Equipment for closing conduits comprising a closing lid (1) having two circular disks with a peripheral sealing ring of resilient material. A tightening device connect the two disks at the center thereof causing during tightening to compress the sealing ring radially outwardly. The tightening device is of very stable construction conferring to the disks a parallel movement without mutual rotation. The equipment moreover comprises a mounting device (30) having three parts which are mobile in relation to each other, an attachment yoke (31), a main clamp (39) and a support plate (43). With the aid of a cog gear (40) and racks (42, 44) rotary movements are transformed into either a clamping movement between the closing lid (1) and the support plate (43) or a pulling movement between the closing lid (1) and the main clamp (39).

REFERENCES:
patent: 996461 (1911-06-01), Costa
patent: 1213800 (1917-01-01), Piper
patent: 1900169 (1933-03-01), Duduletz
patent: 2583266 (1952-01-01), Jenson
patent: 4202377 (1980-05-01), Harrison

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