Abstract: A fracturing fluid containing proppant particles is injected into a fracture made in a low-permeability subterranean formation, providing a turbulent flow of the fluid in the fracture during injection. This allow to increase a fracture conductivity after its closure by means of preventing transverse migration of proppant particles within the fracture and the reduction of their setting rate.
Abstract: An alternating pressure pad comprises at least two sets of inflatable cells, an air supply line to each set, a pump to circulate pressurized air through a circuit including the sets of cells and to return air from the cells to the pump, valve means for alternately causing inflation and deflation of each set, a sensor pad in the circuit through which pressurized air is passed and detecting means for detecting a reduction in air flow through the sensor pad to a level below a predetermined level and for increasing air pressure in the sets of cells to restore the air flow to a level above the predetermined level.
Abstract: A canopy assembly for a crib. The canopy assembly has a hub, a canopy base, and a number of curved arms which connect to each other to alternatively form a dome canopy and a concave (fluted dome) canopy.
Abstract: An improved sealing structure for a mixing valve of hot and cool water is disclosed. A first trench with an approximate V shape is formed on the upper surface of the lower wall along the peripheral rim of the water inlets and water outlet and is retained with a proper distance with the peripheral rim of the water inlets and water outlet. A second trench with an approximate inverse V shape is formed on the bottom surface along the peripheral rim of the water inlets and water outlet and is retained with a proper distance with the peripheral rim of the water inlets and water outlet. The shape of the first trench is completely symmetric to the second trench on the lower wall of the casing. A sealing ring is installed between the surface of the lower wall of the casing and the bottom surface of the fixing disk and has a symmetric shape with respect to the aforesaid trenches. Thus, the sealing ring can be engaged with the two trenches.
Abstract: A dual purpose plush, toy characters is used as both a sleep enhancer toy and headrest pillow. The combined plush character headrest pillow includes a pouch with manually movable recreational members, such as storybooks or puppets, inserted therein to help a young child fall asleep comfortably. The plush character toy may also be an elongate amphibian type of animal, such as a lizard or worm, wherein a concave spinal portion of the animal is an orthopedically correct pillow headrest. Puppets may be provided within a hollow portion within the plush character toy, so that after the pillow portion is pivoted down, a further puppet stage set with a pop up type landscape or fantasy scene is erected by spring action upon a base portion of the puppet stage set. Thereafter, the child can insert his or her hand within an open proximal end of an attached sleeve portion, wherein at a distal end thereof there are provided the puppet portion, such as a plurality of finger puppets or a single hand puppet.
Abstract: A supporting device (1) such as, for instance, a cushion, comprising a space (3) formed by a flexible envelope (2) and filled with a plurality of elements (4). The elements (4) in the space (3) are movable relative to each other and each consist of a gas-filled, flexible and thin-walled covering of gastight design, so that the elements are deformable for distributing a load over the supporting device. The covering of a number of elements is manufactured from at least substantially nonelastic material. These elements are each filled with the gas for 50-98 percent of their maximum volume and have a volume of from 10 cm3 to 100 cm3.
Abstract: A tamper proof livestock ear tag device including a male component and a female component. The male component includes a panel portion with a surface to carry indicia for identifying livestock, and a stem having a tip. The panel portion and the stem are made integrally of a same material, while the tip is made of a first plastic material and the stem is made of a second plastic material such that the tip is harder than the stem. The male component includes a predefined weakest point in which the male component will tear when a pulling force exceeding a predetermined value is exerted between the tip and the panel portion. The weakest point is at an interface between the stem and the tip. The female component includes an eye portion that is equipped with a retaining ring. The eye portion is made of a third plastic material and the retaining ring is made of a fourth plastic material such that the retaining ring is harder than said eye portion.
Abstract: An arising aid to allow individuals needing assistance in raising from a seating position to a standing position. When the device is placed on a chair seat, the user may inflate bellows in the device by rocking from side to side. The inflated bellows raise the seated person to a near standing position, where the user may be able to stand without further assistance.
Abstract: A method and apparatus for positioning a patient for a medical procedure. The apparatus includes an air-impervious casing having a plurality of sections adapted to position and support the torso and limbs of a patient. A plurality of compartments containing beads are disposed in the sections. A plurality of connection ports are provided through which air may be evacuated from the compartments to form vacuums therein. When air is evacuated from the compartments, the beads compact together, thereby making the sections rigid.
Abstract: A method of assembling strings of pocketed coil springs into an innerspring core which may be used as the core of a mattress, cushion or similar body support foundation uses a reinforcing material, preferably having an adhesive component, between rows of pocketed coil springs. The reinforcing, adhesive material serves to bond the rows of springs to each other and to reinforce the pockets to prevent wear between coils in frictional relation.
Abstract: An apparatus for handling incapacitated patients is disclosed in one presently preferred embodiment of the present invention as including a bed (1) having a base frame (2) which supports a central panel (5) for supporting the patient's bottom, a second panel (8) and a third panel (9) for supporting the upper and lower parts, respectively, of the patient's legs and a fourth panel (6) for supporting the patient's back, there being drive means for displacing the panels such that in one configuration their upper surfaces lie in a single horizontal plane and in another configuration adjacent panels are inclined with respect to each other, characterized in that the apparatus further includes a leg support (12) which is displaceable into and out of a position in which it forms a local widening of the bed (1), in which position it can support the lower parts of the patient's legs when the patient is in an attitude in which the legs are straight or are bent and the patient is lying on his side, and
Abstract: A patient support apparatus includes a base, a frame coupled to the base, and a deck coupled to the frame. The frame includes a storage portion. The deck includes a head section, a seat section and first and second laterally spaced apart outer leg support sections adjacent the seat section. The seat section and the first and second outer leg support sections being configured to define a central opening therebetween. The apparatus also includes a removable center leg support configured for movement between a first position located within the central opening and coupled to the deck to provide a portion of the deck and a second storage position detached from the deck and located in the storage portion of the frame and below the deck.
August 7, 1998
Date of Patent:
September 4, 2001
Richard H. Heimbrock, Jonathan T. Turner
Abstract: Designs and manufacturing methods provide flexibility in the manufacture and assembly of the communicating card of this invention. The communicating card includes a housing into which an electronic module is inserted. The housing is configured so that it can be manufactured independently of the electronic module. The electronic module is constructed to allow programming of the communication after the module has been manufactured, before or after insertion into the housing.
Abstract: A display device, in particular in a motor bus, has at least one display field and fasteners for releasably securing the display field in the motor bus. An observation window is arranged at least between the display field and a viewer. In order to make the fastening of the display device less complicated and less expensive and in order to reduce the weight, the dimensions and the costs of the display device at the same time, the fasteners are releasably secured directly to the inner side of the observation window, the inner side facing away from the viewer.
Abstract: A mounting structure for at least one display board is disclosed. The Display board includes a first mounting interface and a second mounting interface. The mounting structure includes a first pivotal interface including a barb adapted to engage the first mounting interface of the display board. The mounting structure also includes a second pivotal interface including a protruding member adapted to engage the second mounting interface of the display board. The display board may be removably pivotally mounted within the mounting structure at the first pivotal interface and the second pivotal interface. A mounting structure for display of at least one display board is also disclosed. The mounting structure includes a frame. The mounting structure also includes a platform for the display board coupled to the frame. The mounting structure also includes a compliant retaining system for the display board coupled to the frame.
October 30, 1998
Date of Patent:
August 14, 2001
Steelcase Development Inc.
Charles Anthony Seiber, Robert Peter Arko, Otto Daniel DeRuntz, William Charles Stewart, Steven Ryutaro Takayama, Frank Friedman, Kristine Rene Chan-Lizardo
Abstract: In an illustrated embodiment of the present invention, a plurality of trauma board supports are movably coupled to a stretcher for motion between a first position away from a patient support surface of the stretcher and a second position above the patient support surface for releasably supporting a trauma board thereon in a substantially parallel, spaced-apart relation to the patient support surface at a distance sufficient to allow positioning of an x-ray cassette between the trauma board and the patient support surface.
Abstract: A cubicle bed, including a horizontal non-steel bed frame having a rectangular perimeter including a head end, a foot end parallel to the head end, and two parallel sides between the head end and the foot end; the frame adapted to support a bed mattress; a footboard extending vertically from the foot end, and including a non-steel footboard frame supporting a substantially transparent mesh panel; a headboard extending vertically from the head end, and including a non-steel headboard frame supporting a substantially transparent mesh panel; a pair of opposed sideboards extending vertically from the parallel sides, each of the sideboards including a non-steel sideboard frame supporting a substantially transparent mesh panel, with at least one of the substantially transparent mesh panels being releasably attached to the sideboard frame; the footboard, headboard and sideboards being joined together in cooperating relationship to define a barrier about the perimeter of the horizontal bed frame.
Abstract: A lighted real estate sign having at least one translucent face with indicia to convey marketing information pertaining to a parcel of real estate. An internal light illuminates the translucent face and clearly displays the indicia at night. The sign is powered by a battery, and controlled by a control circuit in response to inputs from a solar panel used to recharge the battery, a photocell used to detect appropriate light conditions to illuminate the internal light, and a timer to turn off the light. The real estate sign is attached to a mounting bracket, which, in turn, is anchored to the parcel of real estate. The sign is locked to the mounting bracket to prevent theft and to rigidly maintain the sign and position.
Abstract: To reduce the tendency for high center of mass vehicles to roll or vault over a guardrail barrier or dive under it, the guardrail barrier has outer curved portions selected to adjust the moment of inertia of the guardrail barrier by providing a sufficiently high moment of inertia to slow the vehicle but sufficiently low to avoid excessive force against the occupant compartment. A central portion connecting the outer curves sized to provide an effective depth of 12.25 inches to capture high bumper vehicles and small vehicles and an area of 1.99 inches to provide rigidity enough to the curved portions to avoid flattening and penetration. The outer curves are asymmetrical.
January 5, 1996
Date of Patent:
July 17, 2001
The Board of Regents of the University of Nebraska
Dean Leo Sicking, John Douglass Reid, Ronald Keith Faller, Brian George Pfeifer, Barry Thomas Rosson, John Robert Rohde
Abstract: The spring bridge (2) includes a main, load-bearing bridge (6), which can be fitted in the frame of a mattress base, and one or more supporting elements (8) arranged thereon. The supporting elements (8) extend, preferably in the form of a sheet-like, wing-like lip, from the main, load-bearing bridge (6), in the lateral direction, transversely with respect to the longitudinal axis of the main, load-bearing bridge and project beyond the top side of the main, load-bearing bridge (6). They are designed such that their flexibility in relation to the main, load-bearing bridge counter to a bearing force, usually the locally active weight of a mattress which has been positioned on top and of a person who is resting on said mattress, is more yielding than the flexibility of the main, load-bearing bridge itself.
February 16, 1999
Date of Patent:
July 10, 2001
Thomas Beteiligungs-und Vermogens-GmbH & Co. KG