초록 ▼

Method and apparatus for processing solid and viscous plastic material or polymeric material and the like in which plastic or polymeric material is fed through an inlet into an enclosed passage of which opposed side walls are moving simultaneously toward an outlet and the material is processed and d

Method and apparatus for processing solid and viscous plastic material or polymeric material and the like in which plastic or polymeric material is fed through an inlet into an enclosed passage of which opposed side walls are moving simultaneously toward an outlet and the material is processed and dragged forward by the moving side wall against a channel block and with progressive build up of pressure along said passage for discharging the processed material through the outlet from the enclosed passage. Rotary apparatus for practicing the method includes one or more annular channels having opposed side walls and carried by a drive rotor member for movement relative to a housing of which an annular surface coaxial with the rotor cooperates with the walls of the channel or channels to form an enclosed annular passage or enclosed annular passages. An inlet for feeding the plastic or polymeric material into each annular passage extends through the housing and an outlet for discharge of material from each passage is disposed circumferentially a major portion of a complete revolution from the inlet. A channel block supported by the housing projects into each channel to hold the plastic or polymeric material for relative movement with respect to the channel side walls and to wipe or scrape the side walls moving past it, and is located between the outlet and the inlet to each annular passage.

대표청구항 ▼

A machine for processing solid and viscous plastic and polymeric materials comprising: A. a rotatable element carrying an annular channel providing a polymer processing surface area which includes opposied side walls; B. a stationary element providing a coaxial surface forming with said channel an e

A machine for processing solid and viscous plastic and polymeric materials comprising: A. a rotatable element carrying an annular channel providing a polymer processing surface area which includes opposied side walls; B. a stationary element providing a coaxial surface forming with said channel an enclosed annular processing passage; C. means including an inlet opening to feed polymeric or plastic material to said passage to form a body of material substantially filling said passage; D. means for causing relative rotation between said channel and said surface about their common axis to move said side walls in a circumferential direction from the inlet opening of said passage; E. an outlet opening from said passage circumferentially disposed a major portion of a complete revolution from said inlet opening in the direction of rotation of said channel; and F. a blocking member comprising a material collecting end wall and scraper portions disposed in said passage between said outlet opening and said inlet opening in the direction of rotation of said channel, said end wall being constructed to hold said body of material in said channel so that there is relative movement between said polymer processing surface area and said body of material in the channel whereby said polymer processing surface area drags forward material in contact with said polymer processing surface area to said material collecting end wall surface for processing and discharge.