Pipes and tubular conduits – Plural duct – With spacer and encircling element
Patent
1994-08-30
1995-08-15
Scherbel, David
Pipes and tubular conduits
Plural duct
With spacer and encircling element
138113, 138166, F16L 918
Patent
active
054410827
ABSTRACT:
A casing spacer includes first and second elongated, steel shell members comprised of stainless steel or high strength steel with corrosion inhibiting coatings, with each shell member having a semi-circular cross section for engaging and enclosing a carrier pipe within an outer casing. Attached to the outer surface of each of the first and second shell members are one or more adjustable risers for engaging the inner surface of the casing in maintaining the pipe, or pipes, in fixed position within the casing. Each riser includes a runner on its distal end to facilitate positioning of the spacer within the casing. The casing spacer's first and second shell members are securely coupled together by way of flange and nut and bolt combinations along one edge and a hook and eye arrangement along a second, opposed edge. The hook portion of one shell member is easily inserted in the eye portion of the second shell member followed by tightening of the nut and bolt combinations allowing a single worker to easily and quickly install the spacer about a carrier pipe and within a casing.
REFERENCES:
patent: 1931694 (1933-10-01), Hall
patent: 2868230 (1959-01-01), Stokes
patent: 2890724 (1959-06-01), Kennedy, Jr.
patent: 2896669 (1959-07-01), Broadway et al.
patent: 2938569 (1960-05-01), Goodrich
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patent: 4896701 (1990-01-01), Young
patent: 5069255 (1991-12-01), Muszynski
Eskew Sam
Kane William L.
Cascade Waterworks Manufacturing Co.
Hook James F.
Scherbel David
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