Movable or removable closures – Panel with closure feature
Patent
1991-03-01
1992-07-14
Luebke, Renee S.
Movable or removable closures
Panel with closure feature
E06B 300
Patent
active
051291959
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.
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Austin Eric P.
Harper Robert W.
Luebke Renee S.
Redman Jerry
Simon-Hartley Limited
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