Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ
Patent
1992-07-10
1994-06-14
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Forming structural installations in situ
249 2, 249127, 249140, 264 35, 264 69, 264 74, 264102, 264130, 264131, 264133, 264134, 264256, 264259, 264293, 264296, 264316, 264333, 264336, 404 6, 404 9, 404 15, 425470, B28B 116, B32B 3112, C04B 4100, E04B 116
Patent
active
053207904
ABSTRACT:
A patterned tool and method for producing a durable tactile warning surface for sidewalks and other walkways including pouring a concrete base, applying pigmented or colored hardener to the upper surface of the concrete base, stamping the upper surface of the concrete base with the patterned tool including a substantially flat member having a plurality of symmetrically disposed recesses of a predetermined diameter and depth formed on the lower surface thereof and a plurality of corresponding vent channels formed through the substantially flat member in communication with each corresponding recess and curing the concrete base to form a durable tactile warning surface including a plurality of symmetrically disposed raised elements of a predetermined diameter, height and spacing corresponding to the plurality of recesses to produce an uneven surface visually contrasting with adjacent surface areas.
REFERENCES:
patent: 336055 (1886-02-01), Krispin
patent: 939071 (1909-11-01), Ney
patent: 1154255 (1915-09-01), Landis
patent: 1909562 (1933-05-01), Ambrosio
patent: 1991996 (1935-02-01), Bakker
patent: 2303395 (1942-12-01), Schultz et al.
patent: 2513648 (1950-08-01), Tezzi
patent: 2672670 (1954-03-01), Rhodes
patent: 2811767 (1957-11-01), Dufford
patent: 2964800 (1960-12-01), Dorsett
patent: 3086431 (1963-04-01), Perry, Jr.
patent: 3484514 (1969-12-01), Longinotti
patent: 3775529 (1973-11-01), Steenson et al.
patent: 3910711 (1975-10-01), Moorhead
patent: 4115976 (1978-09-01), Rohrer
patent: 4271111 (1981-06-01), Sheber
patent: 4321024 (1982-03-01), Terraillon
patent: 4353949 (1982-10-01), Kyminas et al.
patent: 4620816 (1986-11-01), Kupfer
patent: 4715043 (1987-12-01), Schmanski
patent: 4740348 (1988-04-01), Rose
patent: 4800054 (1989-01-01), Roestenberg
Aftergut Karen
Fisher, III Arthur W.
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