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    • 93. 发明授权
    • Solids-fluid contacting apparatus with screen at fluid outlet
    • 固体 - 液体接触装置,在流体出口处具有筛网
    • US4956176A
    • 1990-09-11
    • US368714
    • 1989-06-20
    • Charles T. Moorman
    • Charles T. Moorman
    • B01J8/20A23F5/20B01D11/02
    • A23F5/206B01D11/0203
    • A screen is mounted in an apparatus for contacting particulate solids with a fluid. The apparatus comprises an elongate column for holding a bed of particulate solids for contact with a fluid, the column being designed to be oriented substantially vertically in use and having a fluid inlet near the bottom for admitting a fluid into the column and a fluid outlet near the top for permitting the fluid to exit the column after passing upwardly through a bed of particulate solids in the column. The purpose of the screen is to screen solids from the fluid exiting the column through the fluid outlet. The screen comprises a plurality of vertical screen wires, and the screen is located within the column such that all of the fluid passing through the column passes through the screen and then through the fluid outlet. Each pair of adjacent vertical screen wires defines a substantially vertical screen slot therebetween. The opening of each vertical screen slot at the surface of the screen which is upstream in the sense of a fluid flowing through the column, passing through the screen, and exiting through the outlet during operation of the column, has a width suitable for screening solids from the exiting fluid and has a length which is substantially greater than its width.
    • 97. 发明授权
    • Refrigerated dough package and method
    • 冷冻面团包装和方法
    • US5366744A
    • 1994-11-22
    • US208782
    • 1994-03-09
    • Rashmi DrummondKaren Westerman-CourtrightJohn C. LittleMarcia BaxterDavid L. Wengerhoff
    • Rashmi DrummondKaren Westerman-CourtrightJohn C. LittleMarcia BaxterDavid L. Wengerhoff
    • A21D6/00A21D8/02A21D10/02B65B25/00B65D81/20B65B31/00
    • A21D10/025A21D6/001A21D8/02B65B25/001B65D81/2076
    • The present invention is directed to a method for making a packaged dough suitable for extended refrigerated storage and to a packaging system for storage of the refrigerated dough. In the packaging system for storage of refrigerated, leavened dough, a substantially rigid tray for receiving a leavened dough product is provided. The tray has a bottom wall and upstanding peripheral side walls to define at least one well. At least one leavened dough product is disposed within the well. The leavening of the dough is at least partially reacted to provide carbon dioxide distributed throughout the dough product. A hermetically sealed cover, extending at least over the top of the side walls to define a chamber containing the dough product and a headspace surrounding the dough product is provided. A gas comprising a predetermined amount of carbon dioxide is disposed in the headspace of the chamber in order to create an equilibrium level of carbon dioxide with the carbon dioxide produced in the dough product. The ambient air is replaced by the gas thereby minimizing the amount of residual oxygen and hence, oxidation of the dough product.
    • 本发明涉及一种用于制造适于延长冷藏的包装面团的方法以及用于储存冷冻面团的包装系统。 在用于储存冷冻发酵面团的包装系统中,提供用于接收发酵面团产品的基本上刚性的托盘。 托盘具有底壁和直立的周边侧壁以限定至少一个孔。 至少一个发酵的面团产品设置在该孔内。 面团的发酵至少部分地反应以提供分布在整个面团产品中的二氧化碳。 提供了至少在侧壁的顶部延伸以限定容纳面团产品的室和围绕面团产品的顶部空间的气密密封的盖。 包含预定量二氧化碳的气体设置在室的顶部空间中,以便产生二氧化碳与面团产品中产生的二氧化碳的平衡水平。 环境空气由气体代替,从而最小化残余氧气的量,从而使面团产品的氧化最小化。