초록 ▼

A fluent material mixer having a bottom barrel section with a mixed material exit and an upper barrel section from which an operating plunger shaft projects. The two barrel sections contain materials which are separated from each other and are to be mixed together prior to extrusion. A breakable sep

A fluent material mixer having a bottom barrel section with a mixed material exit and an upper barrel section from which an operating plunger shaft projects. The two barrel sections contain materials which are separated from each other and are to be mixed together prior to extrusion. A breakable separator is disposed between the barrel sections. A fluent material mixer plate with material bypassing holes defined in it is disposed on and movable through the barrel sections by the plunger shaft. A wiper is detented to position at the upper end of the upper barrel section. The wiper includes a plate without openings through it and it sealingly engages the interior of the barrel sections. A sleeve at the radially inward edge of the wiper wraps around the shaft for sealing against fluent materials moving out of the barrel sections along the shaft. Movable latches on the wiper plate are movable into a notch on the shaft for locking the wiper to the shaft, so that the wiper can thereafter be moved through the barrel sections along with the shaft to push mixed fluent materials out of the exit.

대표청구항 ▼

A mixing apparatus for fluent materials, comprising: a main body having an upper and a lower barrel section; each barrel section having an open end which meets the respective open end of the other barrel section, and a breakable separator between the barrel section open ends for separating the barre

A mixing apparatus for fluent materials, comprising: a main body having an upper and a lower barrel section; each barrel section having an open end which meets the respective open end of the other barrel section, and a breakable separator between the barrel section open ends for separating the barrel sections and respective fluent materials in each of the sections; the upper barrel section having an upper end which is opposite its open end; a mixer in the main body and a mixer shaft supporting the mixer and extending out of the upper barrel section upper end; a combined wiper and fluent material pusher in the upper barrel section located in the vicinity of the upper end; the wiper including a fluent material impervious plate portion extending across the upper barrel section; a radially outer section attached to the plate portion of the wiper for engaging the interior of the upper barrel section in a manner which prohibits bypassage of fluent material, and which outward section is slidable along the interior of both of the barrel sections; a radially inner wiping section of the wiper which is shaped for surrounding and defining an opening through which the mixer shaft may pass; first detent means on the wiper for engaging the upper barrel section in the vicinity of the upper end and for preventing the wiper from being moved along the upper barrel section, the first detent means being releasable to permit movement of the wiper along the upper barrel section and into the lower barrel section; second detent means on the wiper for being moved for engaging the mixer shaft for enabling movement of the wiper through the barrel sections together with such movement of the mixer shaft; the mixer shaft extending from the outside of the upper barrel section through the upper end thereof and through the opening in the radially inner wiping section, the shaft being sized and the wiping element opening also being sized so that the wiping element radially inner wiping section rubs the shaft as the shaft moves through the barrel sections for preventing fluent material in the upper barrel section from moving out of the upper barrel section along the shaft; a fluent material mixer in the main body below the wiper and attached to the mixer shaft for being moved up and down through the main body as the mixer shaft is moved up and down; the mixer being shaped for moving fluent materials along the barrel sections as the mixer moves and also being shaped to permit some of the fluent material to bypass the mixer as the mixer moves thereby causing the mixing of the fluent materials in the upper and lower barrel section as the mixer moves; the mixer also being adapted for breaking the separator as the mixer initially is moved by the shaft past the separator; and a fluent material exit from the lower barrel section. A mixing apparatus for fluent materials, comprising: a main body having an upper and a lower barrel section; each barrel section having an open end which meets the respective open end of the other barrel section, and a breakable separator between the barrel section open ends for separating the barrel sections and respective fluent materials in each of the sections; the upper barrel section having an upper end which is opposite its open end; a combined wiper and fluent material pusher in the upper barrel section located in the vicinity of the upper end; the wiper including a fluent material impervious plate portion extending across the upper barrel section; a radially outer section attached to the plate portion of the wiper for engaging the interior of the upper barrel section in a manner which prohibits bypassage of fluent material, and which outward section is slidable along the interior of both of the barrel sections; a radially inner wiping section of the wiper which is shaped for surrounding and defining an opening through which a mixer shaft may pass; first detent means on the wiper for engaging the upper barrel section in the vicinity of the upper end and for preventing the wiper from being moved along the upper barrel section, the first detent means being releasable to permit movement of the wiper along the upper barrel section and into the bottom barrel section; second detent means on the wiper for being moved for engaging the mixer shaft for enabling movement of the wiper through the barrel sections together with such movement of the mixer shaft; a fluent material mixer in the main body below the wiper for being moved up and down through the main body as the mixer shaft is moved up and down; the mixer being shaped for moving fluent materials along the barrel sections as the mixer moves and also being shaped to permit some of the fluent material to bypass the mixer as the mixer moves thereby causing the mixing of the fluent materials in the upper and lower barrel section as the mixer moves; the mixer also being adapted for breaking the separator as the mixer initially is moved past the separator; and a fluent material exit from the lower barrel section.