Removable material hopper assembly and method of using same to eliminate residual ingredient material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01G-013/06
G01G-013/18
G01G-013/24
출원번호
US-0074818
(2002-02-13)
발명자
/ 주소
Beal, John
Hotchkiss, John
출원인 / 주소
Process Control Corporation
대리인 / 주소
Deveau Todd
인용정보
피인용 횟수 :
61인용 특허 :
10
초록▼
A removable material hopper assembly for gravimetric batch blenders including a hopper, a metering assembly and a releasable securing assembly. The hopper is removable from the blender, and includes a metering slide gate that can be used to tightly seal off the bottom of the hopper during the remova
A removable material hopper assembly for gravimetric batch blenders including a hopper, a metering assembly and a releasable securing assembly. The hopper is removable from the blender, and includes a metering slide gate that can be used to tightly seal off the bottom of the hopper during the removable operation. The releasable securing assembly incorporates a tongue and groove subassembly and a pin and bracket subassembly to properly align and secure the hopper to the blender during operation, but also enables easy removal of the hopper when necessary.
대표청구항▼
1. In a unit including (i) a material hopper having a neck, and (ii) equipment to which the material hopper dispenses material through the neck, an improvement to the unit comprising a removable assembly enabling removability of the hopper from the equipment to which the material hopper dispenses ma
1. In a unit including (i) a material hopper having a neck, and (ii) equipment to which the material hopper dispenses material through the neck, an improvement to the unit comprising a removable assembly enabling removability of the hopper from the equipment to which the material hopper dispenses material, the removable assembly incorporating a sealing device to seal off the neck of the hopper during hopper removal from the equipment, the sealing device also to regulate material flow from the hopper when the hopper is positioned to dispense material, the sealing device comprising a sliding mechanism designed to slide into and out of sealing arrangement with the neck of the hopper. 2. The improved unit of claim 1, the sealing device being in a horizontal orientation to seal the neck of the hopper. 3. The improved unit of claim 1, the sealing device being in an inclined orientation off the horizontal to seal the neck of the hopper. 4. The improved unit of claim 2, the sealing device being a slide gate. 5. In a unit including (i) a material hopper having a neck, and (ii) equipment to which the material hopper dispenses material through the neck, an improvement to the unit comprising a removable assembly enabling removability of the hopper from the equipment to which the material hopper dispenses material, the removable assembly incorporating a sealing device to seal off the neck of the hopper during hopper removal from the equipment, the sealing device also to regulate material flow from the hopper, the sealing device comprising a slide gate operably aligned by metering gate support guides, slidingly movable by the retraction and extension of a metering cylinder. 6. In a unit including (i) a material hopper having a neck, and (ii) equipment to which the material hopper dispenses material through the neck, an improvement to the unit comprising a removable assembly enabling removability of the hopper from the equipment to which the material hopper dispenses material, the removable assembly incorporating a sealing device to seal off the neck of the hopper during hopper removal from the equipment, the sealing device also to regulate material flow from the hopper, the removable assembly further comprising a releasable securing assembly, which along with the sealing device enables the hopper to be removed from the equipment, the releasable securing assembly comprising a tongue and a locking groove assembly between the hopper and the equipment. 7. In a unit including (i) a material hopper having a neck, and (ii) equipment to which the material hopper dispenses material through the neck, an improvement to the unit comprising a removable assembly enabling removability of the hopper from the equipment to which the material hopper dispenses material, the removable assembly incorporating a sealing device to seal off the neck of the hopper during hopper removal from the equipment, the sealing device also to regulate material flow from the hopper, the removable assembly further comprising a releasable securing assembly, which along with the sealing device enables the hopper to be removed from the equipment, the releasable securing assembly comprising a release pin and retaining bracket assembly between the hopper and the equipment, the release pin extending through the removable assembly and the retaining bracket. 8. The improved unit of claim 6, wherein the releasable securing assembly enables the hopper to be lifted off of the equipment vertically, without initially laterally sliding the hopper on the equipment to disengage the releasable securing assembly. 9. A gravimetric blender comprising:(a) a material hopper having a neck, and(b) a removable assembly enabling removability of the hopper from the blender, the removable assembly including a slide gate:wherein the slide gate both regulates material flow from the hopper to the blender when the hopper is positioned to disperse material, and seals off the neck of the hopper during removal fr om the blender. 10. A gravimetric blender comprising:(a) a material hopper having a neck, and(b) a removable assembly enabling removability of the hopper from the blender, the removable assembly including a slide gate:wherein the slide gate both regulates material flow from the hopper to the blender, and seals off the neck of the hopper during removal from the blender, the slide gate being slidingly movable by the retraction and extension of a metering cylinder. 11. The gravimetric blender of claim 9, the removable assembly further comprising a releasable se curing assembly, which a long with the slide gate, enables the hopper to be removed from the blender. 12. The gravimetric blender of claim 11, the releasable securing assembly comprising a tongue, and a locking groove assembly between the hopper and the blender. 13. The gravimetric blender of claim 11, the releasable securing assembly comprising a release pin and retaining bracket assembly between the hopper and the blender, the release pin extending through the removable assembly and the retaining bracket. 14. The gravimetric blender of claim 11, wherein the releasable securing assembly enables the hopper to be lifted off of the blender vertically, without initially laterally sliding the hopper relative to the blender to disengage the releasable securing assembly. 15. A method of dispensing material from a material hopper having a neck to equipment to which the material hopper dispenses material through the neck, the method comprising the following steps:(a) providing a metering device in the form of a sliding mechanism designed to slide into and out of sealing arrangement with the neck of the hopper;(b) regulating the material flow rate from the hopper to the equipment with the metering device until the hopper needs to be refilled with material;(c) sealing off the neck of the hopper with the metering device;(d) disengaging the hopper from the equipment without laterally sliding the hopper relative to the equipment;(e) filling the hopper with material; and(f) reengaging the hopper to the equipment. 16. The method according to claim 15, wherein steps (a) and (b) are accomplished with a slide gate. 17. The method according to claim 15, wherein step (c) of disengaging the hopper from the equipment is accomplished by removing a release pin from the hopper and a retaining bracket on the equipment. 18. The improved unit of claim 3, the sealing device being a slide gate. 19. The improved unit of claim 7, wherein the releasable securing assembly enables the hopper to be lifted off of the equipment vertically, without initially laterally sliding the hopper on the equipment to disengage the releasable securing assembly. 20. A gravimetric blender comprising:(a) a material hopper having a neck, and(b) a removable assembly enabling removability of the hopper from the blender, the removable assembly including a slide gate:wherein the slide gate both regulates material flow from the hopper to the blender, and seals off the neck of the hopper during removal from the blender;the removable assembly further comprising a releasable securing assembly, which along with the slide gate, enables the hopper to be removed from the blender, the releasable securing assembly comprising a tongue and locking groove assembly between the hopper and the blender. 21. A gravimetric blender comprising:(a) a material hopper having a neck, and(b) a removable assembly enabling removability of the hopper from the blender, the removable assembly including a slide gate:wherein the slide gate both regulates material flow from the hopper to the blender, and seals off the neck of the hopper during removal from the blender;the removable assembly further comprising a releasable securing assembly, which along with the slide gate, enables the hopper to be removed from the blender, the releasable securing assembly comprising a release pin and retaining bracket assembly between the hopper and the blender, the release pin ex tending through the removable assembly and the retaining bracket. 22. A method of dispensing material from a material hopper having a neck to equipment to which the material hopper dispenses material through the neck, the method comprising the following steps:(a) regulating the material flow rate from the hopper to the equipment with a metering device until the hopper needs to be refilled with material;(b) sealing off the neck of the hopper with the metering device;(c) disengaging the hopper from the equipment without laterally sliding the hopper relative to the equipment; and(d) reengaging the hopper to the equipment;wherein step (c) of disengaging the hopper from the equipment is accomplished by removing a release pin from the hopper and a retaining bracket on the equipment. 23. A hopper for receiving material and dispensing the material to an associated machine, comprising:a hopper container having an opening for receiving said material in an upper portion of the hopper container and a discharge opening in a lower portion of the hopper container for dispensing said material;a sealing device to seal off the discharge opening for removing said hopper from said machine, the sealing device also to regulate material flow from said hopper, when the hopper is positioned to dispense material;the sealing device comprising a sliding mechanism designed to slide into and out of sealing arrangement with the discharge opening of the hopper container. 24. The hopper of claim 23, wherein the sealing device is a slide gate. 25. The hopper of claim 24, the slide gate being operably aligned by metering gate support guides, slidingly movable by the retraction and extension of a metering cylinder.
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