Elongated-member-driving apparatus – With means to head member – Heading tool extends within hollow portion of member
Patent
1978-07-03
1980-08-26
Baldwin, Robert D.
Elongated-member-driving apparatus
With means to head member
Heading tool extends within hollow portion of member
29798, 52509, 53117, 227 65, 270 79, E04B 180
Patent
active
042189624
ABSTRACT:
Apparatus is described for the formation of thermal insulation blocks from rolls of fibrous blankets. The apparatus comprises folding means to make alternating transverse folds in the blanket, insertion means to insert block supporting members (pronged beams) into and through folds of the block, and sequencing means to control the location of beam insertion according to a predetermined pattern.
REFERENCES:
patent: 980385 (1911-01-01), Wollheim
patent: 1290800 (1919-01-01), Teall
patent: 1290801 (1919-01-01), Teall
patent: 1881814 (1932-10-01), Meglitz et al.
patent: 2101906 (1937-12-01), Hopkinson
patent: 2216655 (1940-10-01), Smith et al.
patent: 3952470 (1976-04-01), Byrd
patent: 4001996 (1977-01-01), Byrd
patent: 4130936 (1978-12-01), Cottrell
Cunningham Richard N.
Smith Douglas D.
Baldwin Robert D.
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
McClain James W.
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