Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1988-08-17
1990-01-30
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156267, 156268, 156277, 156292, 156510, 101 9301, 144 28, B32B 3118
Patent
active
048971421
ABSTRACT:
A process for the continuous manufacture of pencils comprises the steps of laying pencils leads between two half small boards which are longitudinally grooved and fixed together by gluing and pressing to form small board sandwiches, of trimming the transverse ends of these small boards, and then of cutting them between the lead located within the logitudinal grooves. After having clipped the ends of the small boards to trim them, a protecting layer is applied onto the thus formed edges, on which layer an identification mark is thereafter printed, the deposition of the protecting layer and the printing of the identification mark being carried out by means of a projecting device under pressure of protecting liquid drops and printing liquid drops, respectively, which device comprises projecting heads.
REFERENCES:
patent: 1783997 (1930-12-01), Burden et al.
patent: 2492250 (1949-12-01), Wilcox
patent: 2952204 (1960-09-01), Sherman
patent: 3039384 (1962-06-01), Kingsley
patent: 3456581 (1969-07-01), Zuber
patent: 4228438 (1980-10-01), Vazirani
patent: 4392204 (1983-07-01), Prim et al.
Caran d'Ache S.A.
Weston Caleb
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