Abstract: A process is described for making a gypsum board having improved water resistance. The resulting gypsum board products are also described. The process comprises adding an aqueous siloxane emulsion to an aqueous slurry of a calcium sulfate material and host particles, where the siloxane emulsion is stable under the condition in which the slurry is maintained. The process further includes passing said siloxane containing slurry onto a flat porous forming surface to form a filter cake; removing a substantial portion of the water from the filter cake through the porous surface; pressing the filter cake to form a board and remove additional water; and drying the board to remove the remaining free water and to cause the core of the board to reach a temperature sufficient to cure the siloxane.

Abstract: A vitamin concentrate delivery system including a positive displacement pump having a pump drive and a pump controller, and a flow measurement or detection unit having a magnetic flow tube, a transmitter and a recording device to regulate the flow of liquid vitamin concentrates into food products. A method of adding the vitamin concentrates to the dairy products is also described.

Abstract: A continuous method for removing the skins or skins from hog carcasses and other animal carcasses is disclosed wherein the skin is pulled upwardly, from the head toward the butt-end of the carcass, as carcass moves through the skinning station while suspended in the head-down position. A jaw hook, synchronized to move with the carcass, engages the carcass to stretch the carcass taut and tilt the carcass away from the skin pulling device. The skin is pulled away from the carcass as the skinning process progresses, which avoids contamination of the carcass as the skin is released. An apparatus suitable for continuously carrying out the method is also disclosed.

Abstract: Support beads for downstream processing comprising a polymer, esp. a polysaccharide, matrix into which glass or silica particles, preferably quartz particles, have been incorporated, and their use in downstream processing, especially stabilized fluidized bed separations.

Abstract: Soluble materials are continuously extracted from solids using extracting solvents such as carbon dioxide by circulating a mixture of the solids in carbon dioxide at elevated pressure through a closed loop pipeline. A mixture of extracts dissolved in carbon dioxide is continuously removed from the system and material to be extracted is continually added. Multiple extraction stages are also disclosed.

Abstract: A flexible, adjustable tube which comprises a tubular body of pleated asymmetrical accordion fold configuration wherein each pleat is defined by a thrust cone wall segment and a Belleville washer-like wall segment. The narrower ends of the two wall segments are integrally connected to form an annular articulation about a central axis and the wider ends of the individual Belleville washer wall segments of each pleat are integrally connected to the wider ends of the thrust cones of the next succeeding pleat, to form an annular articulation about the central axis. The Belleville washer-like wall segments of each pleat are proportioned to be snap shifted through the articulation of same to the thrust cone of the next adjacent pleat, for shortening or lengthening the tube. Similar partial snap shifting of the individual Belleville washer wall segments may be effected, for angulating the tubular body, by canting the thrust cone wall segment of a selected pleat sidewise.

Abstract: A light-weight, low-profile seat cushion is attached to a body engaging sling. The cushion includes a foam base having a dished out central portion, and an envelope, partially filled with fluid, positioned over the dished out portion of the base. In the preferred embodiment, a self-supporting back support is attached to the rear of the seat cushion.

Abstract: The present invention concerns an ice cream machine for home use. The ice cream machine of the invention having a mixing auger and a mixing cone uses a unique drive system to vertically drive the cone to engage the auger and mix the products contained within the cone. An improved auger having an interrupted scroll cooperates with the cone to provide enhanced mixing. A sealing flange at the top of the scroll prevents the food product from splashing from the cone as it is mixed by the auger.

Abstract: A tamper-evident lid for use with containers includes a surface to cover the container, and downward projections around the periphery of the surface which surround the mouth of said container. A continuous ring is affixed to the downward projections. A plurality of tamper-evident hooks are frangibly attached to said ring. The hooks are visible through openings in the downward projections. The hooks engage the container, but when the lid is removed, the hooks fracture away from the ring and the tampering with the package is apparent. In the preferred embodiment, a bead on the lid engages the sidewall of the container to provide a resealable, airtight seal.

Abstract: A hemorrhoid supporting pad assembly comprises a pad on a supporting surface which may be a seat cushion assembly. The pad is formed from a flexible envelope partially filled with a fluid. The pad is positioned on the supporting surface beneath a seated person. Lateral portions of the envelope containing the fluid extend beneath the seated person. The weight of the seated person causes the fluid in the lateral portions of the envelope to flow toward the central region of the envelope, where the fluid is forced upwardly, beneath the anus, to support the hemorroid.

Abstract: An extraction process comprises contacting a material to be extracted with an extracting fluid at elevated pressure within a defined space, and separating the extracting fluid and extract, as a mass, from the extracted material while reducing the volume of the defined space and while maintaining the elevated pressure within the defined space. Apparatus for carrying out the process is adapted to separate the extracting fluid and the extract, as a mass, from the extracted material, while maintaining elevated pressure and reducing the volume at the point of separation.

Abstract: The present invention relates to a seat cushion for the human body which comprises a pad comprising a flexible envelope containing a fluid filling material, which pad is adapted to be used in combination with a shaped tray. In the preferred embodiment, the envelope of the pad is an extensible elastomeric material or the upper surface of the pad comprises excess material, and the pad is partitioned or segmented to limit the flow of the fluid filling material in selected areas of the pad.

Abstract: A multi-channel electrophoresis apparatus is fitted with a detection means disposed substantially across the width of the medium, intersecting all channels. The detection means senses components of samples as they migrate past the detection means and identifies the channel in which the detected components are located. In the preferred embodiment, the samples are tagged with radioisotopes which are detected by the detector.

Abstract: A chain break safety device for vertically moving, bi-parting, counter-balanced elevator doors which comprises a block having a vertical lead disposed tapered opening, said block having limited vertical moveability with respect to the door, a braking member positioned within the tapered opening, a cage for maintaining the braking member in the tapered opening, and a resilient member adapted to deflect under the tension of the counter-balance system and move said block into a non-braking position and to cause the block to move into a braking position upon failure of the counter-balance system, thus pinching the braking member between the tapered surface and a static vertical member of the elevator door system.

Abstract: The present invention concerns an ice cream machine for home use. The ice cream machine of the invention having a mixing auger and a mixing cone uses a unique drive system to vertically drive the cone to engage the auger and mix the products contained within the cone. An arc gear, pinion gear and a rack gear are provided in the drive train of the invention and are intermeshed with each other and interconnected with a manually operable lever arm to accomplish the desired vertical drive of the mixing cone. This configuration allows increased leverage and efficiency in the vertical drive movement. Also provided herein are various size reduction and easy cleaning features. Finally the unique gear drive train allows for a steady extrusion of a deliciously mixed, flavored ice cream or ice milk product.

Abstract: A hamburger cooking device including a grill member of a heat-conductive material for impaling and holding a hamburger patty. The grill member is supported on an arm which, in turn is pivotally supported with respect to the base of the device. A fork member is provided that is interfittable with the grill member so as to underlie a hamburger patty impaled on the grill member. The fork member is supported on a fork arm and is movable with respect to the grill member to selectively remove a cooked hamburger patty. To this end, the fork arm is pivotally mounted to the grill arm and a stationary former member is disposed above the grill member and fork member, while a reservoir containing heated liquid is disposed below the grill arm and fork arm. The grill member and fork member are oscillated between a first position adjacent the stationary former member and a second position in which the grill and fork members are immersed in the heated cooking liquid held in the reservoir.

Abstract: The invention provides compounds of the formula ##STR1## wherein X is chloride, fluoride, bromide, iodide or alkoxy, and R is alkyl, arylalkyl, or phenyl which compounds are intermediates in the preparation of 3,6-bis(carboethoxyamino)-2,5-diaziridinyl-1,4-benzoquinone.