Grout retaining tool

Static molds – In situ construction engineering type or building type-mold...


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52303, 220243, 220323, 249 19, 249192, 249219R, 264 36, E04G 2302




A tool which can be used to temporarily close cleanout holes in masonry construction and which can be securely anchored directly to the masonry wall.
The present invention is essentially comprised of a substantially flat plate of rigid material. The plate of the present invention is configured such that it fully covers the cleanout holes for which it is designed. Furthermore, the planar surface of the plate is configured such that it provides an acceptable grout surface on the interior of the cleanout hole once it is filled. Securely attached to the plate is means for locking the plate into position within the cleanout hole and for securing the plate directly to the masonry wall in which the device is used. Various different locking mechanisms are within the scope of the invention.

patent: 338825 (1886-03-01), Carlin
patent: 848917 (1907-04-01), McElligott et al.
patent: 1311082 (1919-07-01), Mock
patent: 1355595 (1920-10-01), Eickhoff
patent: 1517677 (1924-12-01), Heinkel
patent: 2610381 (1952-09-01), Rosati et al.
patent: 2863207 (1958-12-01), Davis et al.
patent: 3142882 (1964-08-01), Lovers
patent: 3212155 (1965-10-01), Francis, Jr.
patent: 3231646 (1966-01-01), Conder et al.
patent: 3711059 (1973-01-01), Kistler
patent: 3729165 (1973-04-01), Trimble
patent: 4386486 (1983-06-01), Holt et al.
patent: 4610566 (1986-09-01), Albang et al.
NCMA-TEK, an information series from National Concrete Masonry Association (1975).
Standards entitled "Non-Foods Distribution Center", Unit Masonry, pp. 04200-9 and 04200-10.


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