Road structure – process – or apparatus – Apparatus – Means to install or form joint
Patent
1977-01-11
1978-03-07
Byers, Nile C.
Road structure, process, or apparatus
Apparatus
Means to install or form joint
E01C 2302
Patent
active
040777324
ABSTRACT:
Slip form concrete laying machines for forming curbs are equipped with apparatus which forcibly inserts compressible sheets downwardly in the freshly laid concrete, the sheet being strengthened by a backing plate and an attached strip at its lower edge.
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patent: 2265301 (1941-12-01), Meyer
patent: 2729152 (1956-01-01), Carnes
patent: 3218944 (1965-11-01), Larsen
patent: 3259032 (1966-07-01), Suhr
patent: 3335647 (1967-08-01), Thorp
Byers Nile C.
Inno-Cept Corporation
LandOfFree
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