Sluice gate or penstock door

Details Sluice gate or penstock door Sluice gate or penstock door

1990-07-13

1992-07-14

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Structural member making

298973, 52577, B23P 1700

Patent

active

051291479

ABSTRACT:
A penstock or sluice gate door constructed by providing a stack of steel tubes (11) preferably of rectangular cross-section, which are stitch welded together at (12). There are added welded side plates (13), a central stainless steel spindle (14) and bolts (18) for lifting equipment, and the so-formed panel is placed in a mould and encapsulated with an impervious material. If desired side and bottom sealing strips (22, 23, 21) may be integrally formed during encapsulation. The resultant door is lightweight and non-corrodible, and its strength is determined by the wall thickness of the tubes (11) which will be selected accordingly.

REFERENCES:
patent: 1681593 (1928-08-01), Pahl
patent: 1693742 (1928-12-01), Bemis
patent: 1776164 (1930-09-01), Nolte
patent: 2744042 (1956-05-01), Pace
patent: 3108406 (1963-10-01), Ellis
patent: 4092197 (1978-05-01), Robbins
patent: 4213929 (1980-07-01), Dobson
patent: 4827690 (1989-05-01), Viger

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