Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-04-30
1980-12-16
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
264243, 264308, 273408, 428 64, B29C 1900, B29C 900, A63B 6300, B32B 302
Patent
active
042395739
ABSTRACT:
This invention relates to a method and equipment for manufacture of target boards for darts or archery, and more particularly a method and equipment with which a target board for darts or archery is made from a tightly pressed circular board. The board is made by joining two semi-circular hemp boards of equal thickness, tightly pressed, with a joining device. The semi-circular hemp boards are obtaind by cutting a tightly pressed, semi-cylindrical hemp bundle into plurality of semi-circular disc like boards of equal thickness. The tightly pressed, semi-cylindrical hemp bundle is formed from a large bunch of suitable hemp fibers with a forming press device directly.
REFERENCES:
patent: 3276941 (1966-10-01), Burns
Falasco Louis
Powell William A.
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