A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 4195482 | Stirling cycle machine A Stirling Cycle machine having a cylinder mounted in a housing has a displacer reciprocably mounted in the cylinder. Also reciprocably mounted in the cylinder is a piston and passages are provided in the cylinder so that when the displacer moves in one d... | 04/01/1980 |
| 4195483 | Engine apparatus An engine apparatus is adapted to operate upon partial immersion in a heated liquid in a liquid reservoir. A movably mounted frame is mounted to a fixed frame and located adjacent the liquid reservoir in a manner that heat exchangers attached to the movab... | 04/01/1980 |
| 4195484 | Dual power brake booster A vehicle brake booster and master cylinder assembly has a vacuum suspended booster section which is controlled by movement of the vehicle brake pedal. A hydraulic booster section is in series with the vacuum suspended booster section, and a master cylind... | 04/01/1980 |
| 4195485 | Distillation/absorption engine A distillation/absorption engine including apparatus for utilizing a lower boiling point, working fluid and a higher boiling point, absorption fluid, the absorption fluid having a relatively high degree of absorptivity for the working fluid. The apparatus... | 04/01/1980 |
| 4195486 | Energy generating device An elongated arm, pivotally mounted at the center to a support structure includes a large, bulbous reservoir attached at either end thereof. The arm is hollow and a passageway therethrough joins the two reservoirs. A volatile fluid which vaporizes at a re... | 04/01/1980 |
| 4195487 | Concrete piles suitable as foundation pillars This invention relates to foundation work of structures in a very cold district, especially to a method of preventing the upward movement of foundation pillars in weak ground in which concrete piles are required as foundation pillars. Concrete piles are d... | 04/01/1980 |
| 4195488 | Cooling system A method of cooling a fluid medium in a heat exchanger by means of an endothermic heat of solution of crystals which are in contact with a heat exchanger in the base of a closed column where the solvent dissolves the crystals whereby to form a saturated s... | 04/01/1980 |
| 4195489 | Portion controlled frozen food The specification discloses a system and process for producing discrete chilled products having preselected weights from a semi-fluid mixture. The semi-fluid mixture is pumped along a distribution path to an extrusion manifold which extrudes a continuous ... | 04/01/1980 |
| 4195490 | Cooling tunnel for cooling a continuously running belt A cooling tunnel for cooling a continuously running belt or partial belt section by means of a low boiling liquefied gas to a predetermined temperature has its cover in the form of a chamber which has a connection near the tunnel entrance for supplying th... | 04/01/1980 |
| 4195491 | Dry ice refrigerator Apparatus for converting a conventional insulating picnic cooler or the like into a refrigerator includes a small container, disposable within the cooler, for dry ice. A rectangular frame insertable within the interior of the cooler includes a pair of ref... | 04/01/1980 |
| 4195492 | Safety earrings for pierced ears A post to extend through the pierced hole in an ear lobe. One end of the post has a stop that is positioned against one surface of the ear lobe. The opposite end of the post has a small male snap connector portion. A smooth and flat back with a small fema... | 04/01/1980 |
| 4195493 | Annular jewelry article Articles of jewelry, such as rings, bracelets and the like, in which the same are of hollow construction including an imperforate liner normally in contact with the wearer. An outer member in generally surrounding relation with respect to the liner member... | 04/01/1980 |
| 4195494 | Dynamometer and coupling for a test stand A dynamometer including a housing comprised of first and second parts relatively rotatable about an axis and defining a chamber, at least one brake element within the chamber carried by each part, the brake elements being in adjacency and relatively movab... | 04/01/1980 |
| 4195495 | Universal joint A universal joint includes first and second yokes with a bore extending through each yoke. A cross trunnion having cylindrical bearing pins is carried between the first and second yokes with the bearing pins supported in the bores of the yokes. Hollow cyl... | 04/01/1980 |
| 4195496 | Adjustable length circular knitting needle An adjustable length circular knitting needle assembly includes a pair of knitting needles having distal pointed ends and a cord extending between the proximal ends thereof. At least one of the needles is provided with a hollow tubular portion which house... | 04/01/1980 |
| 4195497 | Aerated stocking A stocking and method of making a stocking in which an aerated region is knitted from a synthetic yarn, such as nylon, and another softer, more moisture-absorbent yarn, such as cotton, to provide a greater surface area of the synthetic material on the ext... | 04/01/1980 |
| 4195498 | Automatic laundry system A wholly automatic commercial laundry in which soiled laundry is automatically routed to available washing machines, is automatically unloaded, conveyed, and loaded into one of several dryers which is available, or is conveyed directly to a finishing stat... | 04/01/1980 |
| 4195499 | Transfer printing apparatus An apparatus for transfer printing of discrete articles comprises a frame having a rotating heat drum mounted therein, and a planar work surface member which extends perpendicularly of the heat drum, and includes a guide member at the forward end thereof.... | 04/01/1980 |
| 4195500 | Automatic washing machine An automatic washing machine which automatically carries out the steps of washing, rinsing and dehydrating in accordance with a preselected program, comprises an indication means for indicating the occurrence of abnormal operation if it occurs in the step... | 04/01/1980 |
| 4195501 | Apparatus for tanning skins An apparatus for tanning skins in a rapid and efficient manner includes a closed tanning tank and a plurality of storage tanks for storing the various liquids employed in tanning skins. The skins to be tanned are hung in the tanning tank. An air tight doo... | 04/01/1980 |
| 4195502 | Break-away door knob A door knob on a knob sleeve or spindle which is adapted to be blocked from rotation is connected to such spindle by a break-away ring and is otherwise rotatable on the spindle. The break-away ring is mounted about the spindle between the end of the fixed... | 04/01/1980 |
| 4195503 | Rotary disc-tumbler lock cylinder A lock cylinder incorporating a front retainer for a sidebar and a body counterbore to receive same, a core shell having a torquing engagement extension and an indexing protrusion to properly index the insertion and removal of the core, a torquing tumbler... | 04/01/1980 |
| 4195504 | Mortise lock adaptation to key-removable cores An adaptation for a mortise lock having a double-ended primary lock "cylinder" of "keyhole" cross-section mounted through a conforming opening in the mortise lock case, provides for use of key-removable lock cores and increases security by preventing remo... | 04/01/1980 |
| 4195505 | Press for hydrostatic extrusion of tubes In a press for the hydrostatic extrusion of tubes, including a mandrel unit permanently inserted in the pressure chamber of the press and being movable between two axial positions, the unit comprising a mandrel and a tubular sleeve which during the extrus... | 04/01/1980 |
| 4195506 | Method and apparatus for bending elongated materials The disclosure relates to a method of bending elongated materials such as pipe by applying a compressive primary bending force to the material at locations on either end of the portion of the material to be bent and locally stimulating bending of that por... | 04/01/1980 |
| 4195507 | Thread roll timing A thread rolling machine is disclosed wherein a continuously adjustable thread means is used to adjust the relative phase timing between two thread rolling dies and the feeding of a workpiece by the feed means. This timing substantially eliminates any mis... | 04/01/1980 |
| 4195508 | Adjustably timed thread roll machine A thread rolling machine is disclosed wherein a continuously adjustable timing screw is used to adjust the phase of the feed of a workpiece relative to the instantaneous position of a rotary die cooperating with a stationary die. This timing substantially... | 04/01/1980 |
| 4195509 | Device for bending ring segment-shaped plate blanks into conically shaped parts A device for bending ring segment-shaped plate blanks into conically shaped parts includes a pair of roll stands, a top roller, or a centrally positioned pair of top rollers supported between the roll stands, and a pair of side rollers positioned on eithe... | 04/01/1980 |
| 4195510 | Draw bead having alternating pressure surfaces and grooves A draw bead made integral with the die plate or as an insert and having alternating pressure applying surfaces and grooves which will thicken the metals drawn across it minutely at the grooves and will distribute the metal evenly at the pressure surfaces.... | 04/01/1980 |
| 4195511 | Apparatus for bending section-sheet, plate strip and the like A corrugated metal sheet is incrementally bent perpendicularly with respect to its corrugations, by repeatedly transversely indenting upwardly the bottoms of the corrugation valleys so that the indentations extend in lines transversely across the sheet an... | 04/01/1980 |
| 4195512 | Coal-shale interface detector A coal-shale interface detector for use with coal cutting equipment consisting of a reciprocating hammer having an accelerometer mounted thereon to measure the impact of the hammer as it penetrates the ceiling or floor surface of a mine. Additionally, a p... | 04/01/1980 |
| 4195513 | Methods of monitoring the presence or movements of humans Methods in which humans or other mobile bodies are exposed to volatile tracking and marking substances, the vapors of which are detected by ionizing gaseous samples, analyzing the ions in a drift field, and detecting at least a portion of the ions.... | 04/01/1980 |
| 4195514 | Analyzing exhaust gases of vehicle internal combustion engines When analyzing exhaust gases from vehicle internal combustion engines according to the simplified method, where the inertia and the internal losses of the engine are used as braking factors and the engine, during a given period of time, is subjected to a ... | 04/01/1980 |
| 4195515 | In line electromagnetic flow measurement transducer An electromagnetic type fluid flow meter for measurements of conductive fluids which utilizes an interchangeable disposable electrode sensor assembly with a common magnetic drive assembly. The electrode sensor assembly includes a tubular member adapted to... | 04/01/1980 |
| 4195516 | Apparatus for continuously measuring rates of flow of a liquid Apparatus for continuously measuring rates of flow of a liquid has two containers arranged serially in the liquid flow path and each associated with a self-levelling balance beam. Beam displacement is measured capacitively and used to alter current fed to... | 04/01/1980 |
| 4195517 | Ultrasonic flowmeter An ultrasonic flowmeter of the upstream/downstream sonic propagation type includes two transducers mounted externally on the same side of a flow conduit. The transducers are coupled to respective sonic probes which transmit and receive acoustic pulses bet... | 04/01/1980 |
| 4195518 | Armored rotameter An armored rotameter capable of accurately measuring low flow rates, the meter including a metal body provided with a bore defining a vertical flow tube having a lower inlet into which a fluid to be metered is admitted and an upper outlet from which the f... | 04/01/1980 |
| 4195519 | Measurement of water flow rate Water flow rate in channelized, flowing bodies of water is measured by first obstructing the flow of water in the body causing a rise in the water surface upstream from the obstruction. This rise in upstream water surface is communicated to a point above ... | 04/01/1980 |
| 4195520 | Portable flow-measuring device A portable flow-measuring device for determining the volumetric flow rate of a flow stream includes a generally cylindrical flow conduit insertable into a sewer pipe and a reservoir member disposed atop the flow conduit and being in flow communication the... | 04/01/1980 |
| 4195521 | Volumetric flow measuring device A volumetric flow measuring device to measure liquid flowing in a pipe wherein a control pipe is sized for receipt in telescoping relation in the pipe and includes seal means to engage the pipe and to constrain flow through the pipe into and out of the co... | 04/01/1980 |