Patent ID: 6599115
Filing Date: 2003-07-29
Classification: B29C,B29L,Y10S

Abstract:
An unscrewing mechanism for forming threaded components comprising:at least one rotatable elongate mold core having a threaded portion at one end for molding a threaded component to be formed; a mating mold in an overlying relationship with each of said at least one rotatable elongate mold core when in a mold closed condition so as to define a mold cavity between said at least one rotatable elongate mold core and said mating mold into which molten material is injected to form said threaded component; said mating mold being a portion of a cavity plate and independently movable relative to said at least one rotatable elongate mold core to a mold open condition when said mating mold is spaced from said at least one rotatable elongate mold core; a stripper plate in overlying relationship to a stationary plate, the stripper plate being movable and separable from the stationary plate in a direction parallel to an axial direction of the at least one rotatable elongate mold core for ejecting the formed threaded component when in the mold open condition, the stripper plate further being in underlying relationship to said cavity plate when in the mold closed condition; and means for moving said stripper plate in the direction parallel to the axial direction of the at least one rotatable elongate mold core, said means further being for rotating the at least one rotatable elongate mold core such that a movement of the stripper plate is sequenced to eject the formed threaded component at the same time that the threaded portion of the at least one rotatable elongate mold core is unscrewed.