Having Plural Means To Feed Material To Chute Or Hopper Patents (Class 366/76.91)
-
Patent number: 9010988Abstract: A gravimetric blender has a frame; a resin material storage hopper supported by the frame, including a hopper cover; a weigh bin located below the hopper for receiving resin material from the hopper downwardly discharging the bin contents after the contents have been weighed; a load cell, connecting the frame and the weigh bin, for sensing weight of the weigh bin; a mixer connected to the frame, below the hopper, for mixing received contents of the weigh bin; and a guide connected to the frame, for movement of the hopper cover therealong.Type: GrantFiled: January 9, 2012Date of Patent: April 21, 2015Inventor: Stephen B. Maguire
-
Patent number: 8092070Abstract: A gravimetric blender has a frame, at least one material storage hopper at the top of the frame including a hopper cover, a weigh bin located within the frame, below the hopper, for receipt of material from the hopper to be weighed and being adapted for downward discharge of the material in the bio bin after the material received from the hopper has been weighed, at least one load cell connecting the weigh bin to the frame for sensing the weight of contents of the weigh bin, a mixer within the frame below the hopper, for mixing material weighed in the weigh bin after that material falls downwardly from the weigh bin to the mixer, and a guide adapted for vertical movement of the hopper cover therealong between positions which the cover contacts and thereby closes the hopper and at which the cover is spaced vertically above the hopper so that the hopper is open at the top.Type: GrantFiled: June 17, 2006Date of Patent: January 10, 2012Inventor: Stephen B. Maguire
-
Patent number: 7810986Abstract: Systems and methods for liquid dosing in blender systems are disclosed. An exemplary system includes one or more individual metering devices, each metering device including an individual material hopper for containing a granular material ingredient to be blended, a starve-fed mixing chamber coupled to the metering devices for receiving granular material ingredients from each metering device and mixing the ingredients, and a liquid ingredient dosing device disposed within the starve-fed mixing chamber for injecting a liquid ingredient into the path of the granular material ingredients as they fall through or out of the mixing chamber.Type: GrantFiled: November 21, 2005Date of Patent: October 12, 2010Assignee: Process Control CorporationInventors: Alan Landers, John Beal, Kevin Pittman
-
Patent number: 7736565Abstract: The invention provides process for producing a PPE resin composition containing PPE powder using an extruder comprising: a vent pipe; a polyphenylene ether (herein after referred to as “PPE”) powder supplying pipe; an extruder supply hopper having an opening with a wall angle of 60° or more; and an extruder unit, wherein the vent pipe and the PPE powder supplying pipe each have an terminal orifice located in the opening of the extruder supply hopper, and wherein the PPE powder supplying pipe is disposed at a gear box-side portion of the extruder supply hopper, and the vent pipe is disposed at a die-side portion, relative to the PPE powder supplying pipe, of the extruder supply hopper, which process comprises the steps of: supplying the PPE powder to a gear box-side wall of the extruder supply hopper through the PPE powder supplying pipe; removing a gas accompanying the PPE powder in an effective amount through the vent pipe; and melt-kneading a mixture containing the degassed PPE powder with the extruder unitType: GrantFiled: May 11, 2005Date of Patent: June 15, 2010Assignee: Asahi Kasei Chemicals CorporationInventor: Yoshio Ota
-
Patent number: 7641833Abstract: An object of the present invention is to economically produce a resin composition pellet with the degradation of resin suppressed, by using an ordinary extruder, the resin composition pellet being filled with a desired filling amount of a uniformly compounded fibrous filler, and having a required weight average fiber length, in particular, to produce a resin composition pellet used for a socket of a planar socket pin in which the pitch interval of a lattice area of a semiconductor device is 2.0 mm or less, the thickness of the lattice area is 0.5 mm or less, and the height of the socket is 5.0 mm or less.Type: GrantFiled: April 12, 2005Date of Patent: January 5, 2010Assignee: Polyplastics Co., Ltd.Inventors: Kei Aoki, Masayuki Sakai, Kazufumi Watanabe
-
Publication number: 20070291578Abstract: A gravimetric blender has a frame, at least one material storage hopper at the top of the frame including a hopper cover, a weigh bin located within the frame, below the hopper, for receipt of material from the hopper to be weighed and being adapted for downward discharge of the material in the bio bin after the material received from the hopper has been weighed, at least one load cell connecting the weigh bin to the frame for sensing the weight of contents of the weigh bin, a mixer within the frame below the hopper, for mixing material weighed in the weigh bin after that material falls downwardly from the weigh bin to the mixer, and a guide adapted for vertical movement of the hopper cover therealong between positions which the cover contacts and thereby closes the hopper and at which the cover is spaced vertically above the hopper so that the hopper is open at the top.Type: ApplicationFiled: June 17, 2006Publication date: December 20, 2007Inventor: Stephen B. Maguire
-
Publication number: 20030095468Abstract: A colored plastics molding device with which calibration is automatically performed, and thus the colorant can be charged, being free from wrong calculation and error, therefore, high-quality colored plastics molded items can be obtained.Type: ApplicationFiled: March 12, 2002Publication date: May 22, 2003Inventor: Toshio Shimoda
-
Patent number: 6451165Abstract: A pulper in a stock preparation system includes a housing with a fiber inlet, at least one water inlet, at least one outlet and an inner chamber. A plurality of rotatable augers extend into the inner chamber.Type: GrantFiled: November 9, 2000Date of Patent: September 17, 2002Assignee: Voith Paper, Inc.Inventors: Klaus Doelle, Robert J. Matz
-
Patent number: 6267495Abstract: A blender apparatus with a plurality of metering units, including at least one precision metering unit for precision metering of solid particulate materials at low flow rates, the apparatus including a common hopper for receiving metered individual ingredients from the plurality of individual ingredient metering units, the precision metering unit including an elongate tubular hopper for stabilizing the head pressure of material presented to the metering unit's auger.Type: GrantFiled: March 14, 1996Date of Patent: July 31, 2001Assignee: Process Control CorporationInventor: Terre G. Hurst