Metal working – Plural diverse manufacturing apparatus including means for... – Binding or covering and cutting
Patent
1983-12-01
1985-07-09
Briggs, William R.
Metal working
Plural diverse manufacturing apparatus including means for...
Binding or covering and cutting
2642711, 425122, 405176, B23P 2500
Patent
active
045273219
ABSTRACT:
A manually operable device which is for forming contraction joints in wet concrete and which includes a quantity of ribbon held within an enclosed housing. The ribbon is fed through a channel part in the device housing and into the wet concrete.
REFERENCES:
patent: 2314045 (1943-03-01), Johnson
patent: 3652755 (1972-03-01), Jorns
patent: 3729060 (1973-04-01), Murray
patent: 3979171 (1976-09-01), Nagy
patent: 4098636 (1978-07-01), Gabriel
patent: 4450022 (1984-05-01), Galer
Briggs William R.
Hall James D.
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