Paper making and fiber liberation – Apparatus – Foraminous forming mold for discrete articles
Patent
1991-07-09
1992-12-29
Hastings, Karen M.
Paper making and fiber liberation
Apparatus
Foraminous forming mold for discrete articles
162390, 162391, 162392, D21J 300
Patent
active
051748630
ABSTRACT:
In a precision moulding or finishing machine operating in continuous motion to form fully finished products from materials such as wood pulp, an improved system for transferring a preform into a transfer mould and thence into precision mating with a finishing mould in a pressing operation suitable for manufacturing products such as bowls, cups, pots and boxes, the preform remaining in one pair of moulds throughout the pressing operation. Transfer mould assemblies are transferred sequentially from one transporting carrier to another for fully rotatable mounting on releasable mounts guided precisely through a preferred endless travel path and orientation program. The concept of a releasably mounted and freely transferable transfer mould assembly provides for the addition of such functions as printing and labelling in the same continous production line.
REFERENCES:
patent: 1707429 (1929-04-01), Chaplin
patent: 2163585 (1939-06-01), Chaplin
patent: 2760412 (1956-08-01), Lemieux
patent: 2772608 (1956-12-01), Emery
patent: 3190791 (1965-06-01), Potter
patent: 3320120 (1967-05-01), Randall
patent: 3398049 (1968-08-01), Randall
patent: 3661707 (1972-05-01), Emery et al.
"A small Canadian consulting firm has opened the door on a new technology", Reprinted from Canadian Consulting Engineer-Jun. 1974 (By Suzanne Marr).
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