Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1973-02-01
1976-05-11
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
52396, 52403, 52471, 52573, 52577, 52593, 428188, 428192, B32B 330
Patent
active
039565572
ABSTRACT:
Novel external waterstops for use in sealing concrete joints which comprise a deformable section which forms a grout-tight seal when stop-end shuttering is positioned against the waterstop.
REFERENCES:
patent: 2901904 (1959-09-01), Wey
patent: 3114940 (1963-12-01), Rockabrand et al.
patent: 3297800 (1967-01-01), Bradley
patent: 3583120 (1971-06-01), Wangerow
patent: R24613 (1959-03-01), Hageltorn
Journal of the American Concrete Institute, pp. 83-91, Sept. 1955.
Baker William L.
Parker C. E.
Silverman Stanley S.
Van Balen William J.
W. R. Grace & Co.
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