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| Patent # | Description |
|---|---|
| US-4,158,539 |
Thermoforming machine with variable mold closed cycle A thermoforming machine having opposed mold platens includes a linkage system driven in cyclic movement by a single rotary cam to cyclically shift the platens... |
| US-4,158,538 |
Apparatus for the continuous production of continuous plastics foam webs The invention relates to an apparatus for the continuous production of continuous plastics foam webs from extruded polyolefin webs containing peroxide and... |
| US-4,158,537 |
Selective loading of plastic molding compression molds A shuttle having the same shape as a mold cavity has a slidably removable bottom so that material distributed in the shuttle may be dropped into the mold by... |
| US-4,158,536 |
Apparatus for the automatic preparation and molding of samples for X-ray
analysis Apparatus for the automatic preparation of samples for analysis comprises a tubular fusion furnace and a casting device. The furnace is horizontally disposed and... |
| US-4,158,535 |
Generation of polyurethane foam An improvement in the generation of foam from a mixture of foam-forming material in a structure having a preferred configuration. Conveying means are used to... |
| US-4,158,534 |
Apparatus for cutting openings at arbitrarily selectable intervals into
pipes An apparatus for cutting openings at arbitrarily selectable intervals into a pipe which has a smooth inside or outside surface or a transversely corrugated... |
| US-4,158,533 |
Apparatus for producing and stripping pressed cement tiles with
superimposition of a plurality of stripped tiles The apparatus produces pressed cement tiles by forming and pressing the tiles in molds and stripping the pressed tiles from the molds. The stripped tiles are... |
| US-4,158,532 |
Apparatus of manufacturing fastening element train A plurality of spaced fastener elements are molded onto parallel filaments. A pair of leg portions of each fastening element have, respectively, a projection and... |
| US-4,158,531 |
Rotary engine with an oscillation damping layer A Wankel type rotary engine comprising a rotor housing composed of an inner wall portion defining a trochoidal inner peripheral surface, an outer wall portion,... |
| US-4,158,530 |
Pumping apparatus comprising two collapsible chambers A pump having two collapsible pumping chambers connected in series is coupled to a pump drive mechanism which opens and closes each chamber in a sequence that... |
| US-4,158,529 |
Control device for a pumping arrangement An arrangement for pumping fluids includes at least one variable-output pump and a drive therefor. An auxiliary pump is also driven by the drive and discharges... |
| US-4,158,528 |
Gas-operated vacuum transducer There is disclosed a unitary vacuum transducer or pump capable of obtaining a high degree of vacuum using standard shop compressed air fed to a single inlet in... |
| US-4,158,527 |
Adjustable speed drive system for centrifugal fan A centrifugal fan provided with dampers is driven by a motor having a speed control circuit. Air flow from the centrifugal fan is controlled from a point of... |
| US-4,158,526 |
Turbine assembly including a rotatable liquid collection ring A turbine assembly is described comprising a casing, a rotor assembly disposed radially inwardly of the casing and adapted to discharge high velocity jets of... |
| US-4,158,525 |
Method of and apparatus for operating pump turbine In a method of operating a pump turbine, compressed air is supplied into a runner chamber of the turbine and a leakage drain valve is opened of a guide vane at... |
| US-4,158,524 |
Mobile chair lift A mobile chair lift for raising wheelchairs from ground level to a level such as to enable rolling the wheelchair onto a porch or other flat surface providing... |
| US-4,158,523 |
Miter box and frame doweling drill jig apparatus A miter box and frame doweling drill jig apparatus utilizes a miter box having the two side walls thereof chamfered at a 45 degree angle relative to the base... |
| US-4,158,522 |
Methods and apparatus for detachably fastening a tool shaft to a tool
holder A tool shaft is detachably fastened in a tool holder by means of a plurality of gaskets which are each sandwiched between a pair of press rings. The tool shaft... |
| US-4,158,521 |
Method of stabilizing clay formations A solution of an oxygenated polyamine, which is the reaction product of dimethylamine and epichlorohydrin, has been discovered to possess excellent stabilization... |
| US-4,158,520 |
Rock bolting apparatus A rock bolting apparatus is shown in which a rock drill and a rock bolt setting device are interchangeable on the same elongated guide of a feed beam. When the... |
| US-4,158,519 |
Rock reinforcement A method of rock reinforcement comprising drilling a hole into the rock mass, inserting a length of flexible rope lengthwise into the drillhole and injecting a... |
| US-4,158,518 |
In situ pile forming method After wet-drilling a hole until a bearing strata is reached, a mandrel with a removable overboot is lowered into the hole and the overboot is seated by a few... |
| US-4,158,517 |
Oscillating structure for exploration at sea An oscillating structure for exploration at sea features a column which rests on a heavy base resting on the sea bottom, and which supports a platform above sea... |
| US-4,158,516 |
Platforms resting on an underwater structure A platform comprises a base structure designed to rest on the bottom of the sea for supporting an industrial or scientific installation above the surface of the... |
| US-4,158,515 |
Method and apparatus for elevating load-bearing access devices This invention pertains to a method and apparatus whereby, when a thoroughfare is to be resurfaced, the covers for the openings that extend downwardly beneath... |
| US-4,158,514 |
Safety traffic controller A visible traffic controller permitting one-way and preventing wrong-way flow of vehicle traffic, and including a safety feature for the prevention of serious... |
| US-4,158,513 |
Device for securing a wiper blade to an arm A device for mounting a windscreen wiper blade on a pivotal arm, of the type in which one of the two parts comprises a projecting pin adapted to cooperate with a... |
| US-4,158,512 |
Connector for spaced metal parts A strip-form connector for spaced metal parts such as aluminium plates or components of windows or doors, is devised so as to perform an insulating or... |
| US-4,158,511 |
Pivot joint An improved pivot joint has a rotatable and tiltable stud. A rotational preload force is applied to the stud by a bearing which is circumferentially stressed in... |
| US-4,158,510 |
Cementing skid with recirculating mixer A machinery skid unit comprising a machinery skid frame including a plurality of longitudinal frame members, cross-members mounted thereon and extending... |
| US-4,158,509 |
Instrument for measuring lengths A scale assembly is provided with a scale which has a predetermined scale increment. The scale assembly consists of a plurality of scale sections, each of which... |
| US-4,158,508 |
Sight glass and product cleaning system A system involving a pair of oppositely disposed sight glass units wherein each unit includes an inner glass and an outer glass. One application of these sight... |
| US-4,158,507 |
Laser measuring system for inspection A laser measuring system for industrial inspection having a laser producing a narrow beam of coherent light which is focused by telescope onto an article. The... |
| US-4,158,506 |
Automatic determination of the polarization state of nanosecond laser
pulses An electro-optical system for determining the polarization state of optical pulses of nanosecond durations such as produced by lasers. This is achieved by using... |
| US-4,158,505 |
Spectrum analyzing system with photodiode array A spectrum analyzing system measures or analyzes the colorimetric properties of a test sample at a preselected wavelength or range of wavelengths within the... |
| US-4,158,504 |
Optical sighting devices An optical sighting device consists of a hood with two windows which can transmit radiation within predetermined wavelength ranges to a rotatable reflecting... |
| US-4,158,503 |
Heterodyne optical correlator A heterodyne optical correlator allows a correlation function to be computed for plural portions of a stereo pair of transparencies which is normalized to thus... |
| US-4,158,502 |
Device for testing structures The present invention provides a device for a very precise analyse of fine structures by means of optical filtration. The intensity maxima derived from the... |
| US-4,158,501 |
Projection printing method and apparatus An apparatus and method of making a parallax stereogram, i.e., free vision stereogram, and particularly for the accurate registration of a plurality of film... |
| US-4,158,500 |
Apparatus for producing collated copies in page sequential order Apparatus for producing duplex or simplex collated copies from duplex and simplex originals comprising a copier having a duplexing section with two transfer... |
| US-4,158,499 |
Buffer device for the scanning mechanism of an electrostatic copier A buffer device for use in an image forming apparatus wherein a reciprocable member is placed for reciprocating motion through a belt by a rotary member driven... |
| US-4,158,498 |
Blade cleaning system for a reproducing apparatus A reproducing apparatus includes a blade cleaning system for removing residual material from an imaging surface. The blade is arranged for movement between a... |
| US-4,158,497 |
Copying apparatus The apparatus has separate original placing stations for producing copies of an original which is bulky, as in the form of a book, and of an original which is in... |
| US-4,158,496 |
Dry silver processor for phototypesetters A processor for developing the encoded output medium of a business machine, wherein the processing rate is greater than the encoding production rate but must... |
| US-4,158,495 |
Developer apparatus for diazotype copy materials A developer apparatus is provided for developing exposed diazotype copy sheets comprising an applicator roller, means for supplying liquid developer to the... |
| US-4,158,494 |
Roll film camera for rendering a bend in a film harmless In a roll film camera defining a film track, and having a film-advance distance, provision is made for any bend in the film due to the rerouting thereof over a... |
| US-4,158,493 |
Flash lamp assembly having heat-responsive indexing members An elongated flash lamp assembly which is sequentially advanced through a camera to permit each of the lamps within the assembly to become aligned with the... |
| US-4,158,492 |
Light responsive circuit A light responsive circuit adapted to measure natural or ambient light and artificial light such as from an electronic flash device, includes a photocell, a... |
| US-4,158,491 |
Photographic film projection dissolve system for arc lamp projectors A photographic film projection system includes a plurality of projectors, one of which is an arc lamp projector, and a dissolver instrument whose controlled... |
| US-4,158,490 |
Body-mounted support device for motion picture camera A body-mounted support device for a motion picture camera or television camera employs a pair of articulated arm assemblies serially connected and attached to a... |
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