Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Plural wear or shaping surfaces mounted for alternative use
Patent
1978-02-08
1980-05-13
Rosenbaum, Mark
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
Plural wear or shaping surfaces mounted for alternative use
210DIG15, 425185, 425192R, 425199, 425461, B29F 300
Patent
active
042026598
ABSTRACT:
A device for changing a wire netting in a filter device for synthetic resins comprising a die body fixed in contact with an extruding port of an extruding machine, the die body having a first hole for change drilled therein, a guide inlet communicating with the first hole for change and an extruding port, a pair of second holes for screening drilled in the die body respectively at both sides of the hole for change, a pair of guiding pipes respectively communicating with the pair of second holes for screening, a pair of exhaust guide ways respectively communicating with the pair of second holes, a pair of valve guide ways respectively having a larger diameter than those of the pair of exhaust guide ways and respectively communicating with the pair of exhaust guide ways and an exhaust port, one end of which is opened and the other end of which communicates with the center and connecting portion of the pair of valve guide ways, a valve for changing flow which has a guide opening through which the guide inlet communicates with one of the pair of guide pipes, the valve for changing flow being inserted into the hole for change free to rotate therein, a cylinder strainer surrounded by a wire netting respectively inserted into the pair of second holes for screening and a choke valve inserted into the pair of valve guide ways free to slide therein.
REFERENCES:
patent: 2070395 (1937-02-01), Easter
patent: 3059276 (1962-10-01), Yokana
patent: 3951802 (1976-04-01), Derovineau
patent: 4070138 (1978-01-01), Stanwood
Nihon Repro Machine Kogyo Kabushiki Kaisha
Rosenbaum Mark
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