Machine for manufacturing flat-bottomed bottles

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With casting – plastic molding – or extruding means

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Details

156567, 156578, B65C 900, B65C 1104

Patent

active

041325842

ABSTRACT:
A machine for manufacturing plastic bottles by fitting round-bottomed hollow bodies of plastic material to flat-bottomed heels or base cups of similar material comprises a turntable forming a multiplicity of peripherally equispaced seats at a lower level and a like number of outwardly open radial recesses or pockets aligned therewith at an upper level. The hollow bodies are entrained by a conveyor from a blow-molding unit, in which they are produced, on a shelf which enters the turntable generally tangentially between the two levels and continues along a fraction of its periphery to a point just beyond a feeding station at which the separately produced heels are successively deposited on seats passing below the shelf. The hollow bodies, introduced by the conveyor into respective pockets above the shelf, then descend onto the underlying heels which are coated with a bonding agent such as a plastic melt. The body and its heel are held in firm contact, over another fractional revolution of the turntable, by a plunger preferably disposed thereabove; the resulting bottles are extracted further downstream by a stationary unloader.

REFERENCES:
patent: 3297504 (1967-01-01), Brown et al.
patent: 3873400 (1975-03-01), Tsuchida et al.
patent: 3959065 (1976-05-01), Ashcroft

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