Patent ID: 6221306
Filing Date: 2001-04-24
Classification: B29C

Abstract:
A pin-in-sleeve device for injecting a non-viscous fluid into a cavity of a mold, the mold including a socket for receiving the device, the socket having an open end which opens into the mold cavity, the device comprising:a sleeve which is received in the socket, the sleeve including:a longitudinally extending bore with an open first end, the bore having a first portion of a first diameter adjacent the bore open end, and a second portion of a second diameter, the seconddiameter being larger than the first diameter; a pin extending through the sleeve, a fluid flow path for the non-viscous fluid defined between the pin and the bore, the pin including:a forward section which is received in the bore first portion, anda base which is received in the bore second portion, the base having a diameter which is larger than the diameter of the bore first portion, an exterior surface of the sleeve including at least one of an annular rib and an annular groove for keying into adjacent viscous fluid in the cavity, the annular rib or groove being spaced from the open end of the socket, within the mold cavity; and,a restraining member, connected with the sleeve for restraining the pin in the sleeve.