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A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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| Number | Title | Issue Date |
| 4218407 | Valved or progressively opening sparger with rigid upper seat A sparger for efficient liberation of air when submerged in a body of liquid comprises a pressure-opened closure biased upwardly to constrict the discharge of air under a rigid annular seat member. Air is thus discharged at an exactly predetermined and co... | 08/19/1980 |
| 4074221 | Epoxy bonded silicon carbide lightning-protection valve Lightning protection is provided by an electronic valve molded mainly of silicon carbide powder. The manufacturing cost and high reject rate of previous ceramic bonding is greatly reduced by bonding with epoxy resin, the mixture being pressure molded. The... | 02/14/1978 |
| 4053234 | Thickness measurement For detecting changes of level of a moving surface, a sharply defined light pattern is directed on to the surface and an image of the pattern is formed on a multiple photodiode strip so that a predetermined point of reference of the image is variably loca... | 10/11/1977 |
| 4051609 | Method of making reusable writing board and the product thereof A reusable writing board of "slate board" is both improved and of lower cost, avoiding use of the usual separate black-cardboard piece stapled to a backing. In a single printing operation, which is needed for face-printing anyway, the "slate" or backgroun... | 10/04/1977 |
| 4050752 | Modular laboratory cabinets adjustable in elevation A fixed utility cabinet houses various utility conduits, e.g., electricity, gas, water, etc. The upper part of the front of this utility cabinet is a solid panel while the lower part has openings closed by access doors. Immediately to the front of the uti... | 09/27/1977 |
| 4050140 | Bearing housing adaptable to reworked shaft by reversal method of repair A bearing housing for a heavy rotor is made axially-nonsymmetrical so that the bearing chamber therein is shifted axially of the rotor shaft upon reversing the bearing housing. With a new rotor, the nonsymmetry positions the bearing chamber axially outwar... | 09/27/1977 |
| 4048860 | Method of determining standard sound levels To determine standardized values of noise levels of machines a sound recording and reproducing instrument is employed to record the sound emission from a sound source of the type to be investigated. The recording and reproducing instrument is used as a re... | 09/20/1977 |
| 4048267 | Aeration system with foldable low-loss downcomers and method of operation thereof The downcomer through which air is supplied to a header for liberation of air deep in an aeration tank is of straight-line nature to minimize constant waste of power due to air flow friction. The downcomer nevertheless folds when the header is to be raise... | 09/13/1977 |
| 4046484 | Spaced-rotor ride-type surface working machine with single-stick control of all movements In a surface-working machine, as for troweling fresh concrete, the operator rides on a frame which is carried by surface-working rotors, each having evenly spaced tools or trowels. The application of tilting forces to the working rotors to cause movement ... | 09/06/1977 |
| 4045057 | Vibration barrier/structural connector for conduits and the like For interrupting the transmission of vibration along a conduit, e.g., a pipeline or silencer shell, while structurally connecting the parts together, a vibration damping device is interposed in the conduit, the vibration barrier/structural connector compr... | 08/30/1977 |
| 4045275 | Machine for applying tapes to moving product The machine of this invention applies successive lengths of tape, such as tear-tape, to a continuously moving products, such as a web about to be die cut for forming boxes. The application of the tapes is registration-correlated with the product. Self-adh... | 08/30/1977 |
| 4043601 | Asphalt cutter A cutting device is disclosed having an angled lifter blade with flat co-planar keepers on each side which is adapted to pass through or under a layer of asphalt or soil cement and cut a narrow trench without disruption or upheaval of the side edges of th... | 08/23/1977 |
| 4043736 | Two-shuttle thermoforming machine In a thermoforming machine for forming products from plastic sheets or the like, two shuttles or sheet-carrying frames shuttle interchangeably between a feeding station and a forming and loading station, with the shuttle which carries the sagging heated s... | 08/23/1977 |
| 4041861 | Screen printing frame with floating stretch-clamps On each of its sides, the fabric or mesh of a printing screen is clamped by clamping means which can be drawn outwardly to stretch the fabric. So that the stretching of the fabric in one direction will not be hampered by the clamping means for the other d... | 08/16/1977 |
| 4040270 | Coupling adapted to connect radially offset shafts Various embodiments of couplings are described which comprise two main coupling members and two intermediate coupling members. The main coupling members are adapted to be mounted on shafts which are not necessarily in alignment. The intermediate coupling ... | 08/09/1977 |
| 4040739 | Method and device for generating a signal dependent on the distance of an object in an object space A light beam passes through a physical pattern of opaque and transparent areas and is projected into space to an image plane. Upon an object appearing at the image plane the pattern is reflected back to the physical pattern as a second pattern image. The ... | 08/09/1977 |
| 4041314 | Detector device responsive to infrared radiation A concave mirror and a rotating plane mirror image an object to be detected on a reticle and screen, which reticle modulates the image. A field lens and a light piping cone projects the modulated and filtered image on an infrared detector cell. Except for... | 08/09/1977 |
| 4036212 | Method of predetermining time of ovulation in women and in animals to control conception The achievement of conception and the sex of the resulting human baby depends upon, or is influenced by, the time of impregnation with respect to the time of ovulation. Predetermination of prospective ovulation time enhances success since impregnation sho... | 07/19/1977 |
| 4036149 | Fabricated hopper car outlet door frame The door frame includes an upper frame member, a pair of Z-configuration side frame members secured to the upper frame member, a lower frame member, and a pair of Z-configuration corner fittings interconnecting the lower the frame member with the side fra... | 07/19/1977 |
| 4034650 | Axial piston type machine An axial piston machine has a cylinder barrel mounted on a shaft and rotatable with respect to a portion of the casing. Between the cylinder block and the casing portion is a disc. The side of the disc adjacent the casing portion is concave and abutting c... | 07/12/1977 |
| 4033468 | Hydraulic boom-lift system with selective speeds Greater overall speed of crane operation is made possible by using a plurality of hydraulic piston-cylinder sets together with valving which can direct the pumped hydraulic fluid selectively to either of the cylinder sets or to both of them. Preferably th... | 07/05/1977 |
| 4032209 | Multiple socket assembly for electrical components A track has spaced rails, each of which holds a plurality of clips, each clip being at a respective station. Thus, there are a pair of clips at each station. A multiple socket unit is mountable between the rails at each station or at adjacent stations. An... | 06/28/1977 |
| 4031340 | Defeater for mechanical safety interlock for covers of explosion-proof electrical housing An explosion-proof electrical enclosure has a body, switch mounted within the body, two threaded caps cooperatively engaging manually defeatable locking bolts in the body which prevent rotation of the caps and manually operated interlocking mechanism moun... | 06/21/1977 |
| 4028024 | Manufacture of filled capsules or the like From an extruder head a descending column of edible substance or medicament encased in a casing forming material of gelatin or dough is extruded. The casing forming material may be a single color or different colors on opposite sides. This column is pinch... | 06/07/1977 |
| 4027869 | Patient restraint for X-ray studies of infants Apparatus for immobilization of infant patients during exposure of X-ray film, particularly in connection with studies requiring the so-called frog-leg position. Use of this invention permits considerable reduction in the extent of exposure of the patient... | 06/07/1977 |
| 4023504 | Flatbed car container sewing device The locking apparatus on a flatbed vehicle, etc., for engaging the corner fitting on a container carried thereby includes a shank with a crosshead which is moved into the corner fitting and is rotated 90° to engage the locking device. The shank has an an... | 05/17/1977 |
| 4020444 | Slider arrangement for potentiometers or the like A slider arrangement for potentiometers is presented, which provides good contact between the potentiometer resistor and the slider with low friction and low wear. With each position of slider guide means, the slider contacts the potentiometer resistor in... | 04/26/1977 |
| 4018350 | Hydraulic cyliner systems with safeguarded float action The invention may be used with a boom or the like which is raised and lowered by double-acting hydraulic cylinder means provided with a pilot-actuated safety valve at its bottom such that the boom can only go down when pilot pressure (normally from the do... | 04/19/1977 |
| 4018022 | Insulated frame assembly An insulative frame-strip assembly comprises metallic inner and outer side members splined together by a rigidly-acting insulating or frost-barrier splicing strip. These three main parts are extrusions assembled by transverse movements, instead of being t... | 04/19/1977 |
| 4014138 | Anti-rack means for doors A first bracket is secured to one of a pair of doors hinged to a door frame for closing the same; a second bracket is secured to the other of the pair of doors; and the brackets are disposed in overlapping relationship, and include means which are interen... | 03/29/1977 |
| 4010830 | Planetary wheel drive with accessible low-torque disc brakes In a planetary wheel drive, disc braking is provided with the discs located outwardly of the gearing so as to be readily accessible for servicing. One set of discs is splined to the drive shaft, rotating faster than the wheel by the factor of the gear rat... | 03/08/1977 |
| 4006664 | Steering system including tandem hydraulic cylinders with self-synchronization The invention is especially suitable when front and rear wheels are hydraulically steered, each set by its own hydraulic cylinder, the two cylinders being connected in hydraulic tandem so that the same angularity of steering will be imparted to both sets ... | 02/08/1977 |
| 4005776 | Package for oral thermometer, catheter or the like A thermoformed plastic package for long, thin, round articles, such as thermometers and catheters, is provided with a receiving trough which is approximately equal in width but may be somewhat shallower than the diameter of the article, keepers being spac... | 02/01/1977 |
| 3999890 | Enclosed sump pump All of the components of a sump pump apparatus necessary to be in the sump are enclosed in a common case. In one embodiment, this case is of plastic and holds the motor means, the pump impeller and at least part of the water level sensors. The motor means... | 12/28/1976 |
| 3998354 | Reusable sealed plastic cover A closure for a container is formed by a plastic body part and a plastic closure part connected by a thin, integral section which forms a "score" line of easy tearability. The closure part has an annular wall slightly smaller than an annular wall of the b... | 12/21/1976 |
| 3998302 | Adjustable shock absorber unit A shock absorber having a pressure tube with metering bores defining metering orifices through which fluid is metered upon application of impact forces to a piston assembly slidable in the pressure tube, and an adjustable metering sleeve with ports adjace... | 12/21/1976 |
| 3997037 | Adjustable shock absorber A shock absorber having passageways through which fluid is metered from a primary chamber upon application of an impact force to a piston assembly slidable in the chamber, and an adjustable flow control member for regulating the flow of fluid through the ... | 12/14/1976 |
| 3991905 | Hinged cover for outdoor lamp case A metal housing of a light fixture has a cover hinged over the front access opening. Within the housing is a halogen lamp or light bulb. Surrounding the lamp and facing forwardly is a reflector of generally parabolic shape. Extending across the back of th... | 11/16/1976 |
| 3990548 | Adjustable hydraulic dashpot A hydraulic dashpot having a pressure tube with a port defining a metering orifice through which fluid is metered upon application of impact forces to a piston assembly slidable in the pressure tube, and wherein the pressure tube is rotatable for adjustin... | 11/09/1976 |
| 3989858 | Rusk based food snack A snack food product is made by frying in hot oil thin pieces of dough made from rusk crumbs, starch, water and, as desired, flavoring and emulsifying ingredients. The product is characterized by relatively dense surface layers and porous interiors.... | 11/02/1976 |
