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Patent No. 5107620

Electrified Table Cloth

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

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Patents Published on 11/17/1987


See All Patents Issued In 1987


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NumberTitleIssue Date
4706301Bite operated viewport
A viewport for a welder's protective mask or the like, with a semitransparent window arranged to be opened by mandibular action of the user for inspection of a newly set weld, for example, while leaving both hands free to hold or manipulate other equipmen...
11/17/1987
4706302Comfort pad
A comfort pad is provided and consists of a Y-shaped strap that is wrapped around a leg of a person and secured to a pillow that acts as a cushion to relieve pressure on knee bones as well as stress on hips, when a person sleeps on their side....
11/17/1987
4706303Disposable bib with an elasticized neckband
The present invention provides a protective garment which comprises a base sheet member having a neck opening aperture formed in a selected neckband section thereof. A neck elastic member is located in an overlying relation with a selected portion of the ...
11/17/1987
4706304Tubular garment
An elongated, tubular, flexible garment is described which has open ends and a longitudinal centrally located opening in the wall of the tubular garment. The garment is adapted to fit over the arms and across the shoulders of a person wearing the garment....
11/17/1987
4706305Protective headgear
An improved headgear conformable to the head of a wearer and capable of absorbing energy to thereby protect the wearer against blows to the head. The headgear is fabricated of foam coated with a pliable coating. The foam is shaped as a circumferential str...
11/17/1987
4706306Sink strainer with bridged stem
A stopper drain guide stem is provided for centering and positioning a stopper in a drain guide hole. The unitary guide stem has a spindle portion extending axially downwardly therefrom for attachment to a drain stopper. The downwardly extending flexible ...
11/17/1987
4706307Floating pool assembly
A floating pool assembly including a sheet member having top and bottom extremities and first and second ends, the first and second ends being connected together to define an endless wall with an open top and open bottom. The sheet member is flexible for ...
11/17/1987
4706308Swimming pool liner and tile border receptor
A receptor apparatus useful in combination with swimming pools utilizing a vinyl liner, wherein the receptor apparatus is uniquely designed and configured to retain the free edge of the pool liner and also to provide means for receiving and mounting a til...
11/17/1987
4706309Automatic rim flow water level control system for gutters
An automatic rim flow water level control system for gutters is provided, for use in swimming pools, which includes a peripheral gutter having at least one weir chamber on its pool side wall, the wall having a plurality of vertically extending elongated w...
11/17/1987
4706310Liquid level control system
The invention is directed to a liquid level control system which can be installed within an automatic pool reservoir surface skimmer or separately within or external of the reservoir which includes a primary float valve which allows liquid to flow into a ...
11/17/1987
4706311Bathtub unit with improved user features
A bathtub unit (1) is provided which is set into wall recesses which may form a shower stall if desired. The tub unit includes a raised seat (12) at one end and a downwardly recessed tub (13) at the other end. The front wall of the seat is recessed rearwa...
11/17/1987
4706312Double action crib drop side lock and mattress support
A double action securing device for the drop side of a crib comprises a guide member connected to the crib or to the drop side in a vertically oriented position. A slide member is slidably mounted to the guide member between two positions for raising and ...
11/17/1987
4706313Decubitus ulcer mattress
A mattress consists of a foam body having recesses at positions corresponding to the locations of protruding portions of a patient lying on the mattress. Foam blocks can be selectively placed in portions of the recesses. An encasement member encases the f...
11/17/1987
4706314Protective curl hair style pillow case
A pillowcase, having a three-layered inlay formed integrally into at least one of its sides to allow maintenance of the curl hair style without a bonnet and prevention of pillowcase soiling outside the area of the inlay from oils and greases used to produ...
11/17/1987
4706315Process for the treatment of knitware
Knitware in hose form is prepared for a wet treatment, a preliminary dewatering, and for drying, by winding the hose into wound laps under a constant winding tension, so that the laps have a density of more than 200 and less than 400 g/dm3. The...
11/17/1987
4706316Method for producing footwear
A method for the production of footwear is disclosed which comprises providing and attaching a midsole member with integrated toe and heel counters. The process provides for efficient use of labor and machinery by reducing the number of steps required in ...
11/17/1987
4706317Concrete train paving apparatus and method
Apparatus and method for pouring concrete on a bridge is disclosed employing rail-mounted pouring and related equipment and separate rail-mounted rolling pipe for attachment to a concrete source system located on an approach to the area to be poured. The ...
11/17/1987
4706318Joint covering for expansion joints in carriageways, especially bridges
A joint covering has an elastic mat that is cast in situ and lies on rigid plates bridge the gap. The plates are controlled by providing the mat with elastomeric projections on its underside which engage the plates. The elastic behavior of the mat is not ...
11/17/1987
4706319Lightweight bridge structure
A slab-type short span bridge constructed of at least one corrugated plate having parallel, longitudinally extending corrugations of a generally trapezoidal cross-section. A layer of concrete which defines the traffic carrying surface of the bridge and a ...
11/17/1987
4706320Electrostatic charging and cleaning brushes
A cylindrical fiber brush useful in electrostatic charging and cleaning in an electrostatographic imaging process comprises an elongated cylindrical core having bound thereto a spirally wound conductive pile fabric strip forming a spiral seam between adja...
11/17/1987
4706321Drain-cleaning implement
A drain-cleaning implement having a plastic shell of two subshells snapped together using male and female mating means along abutting edges and having a snake coiled within the shell and exerting outward mating force on it. The male means are on projectio...
11/17/1987
4706322Orthodontic toothbrush
The present invention relates to an orthodontic toothbrush, particularly for children wearing regulating pins, characterized by a brushing head (30) comprising on the one hand two lateral and longitudinal groups of tufts of bristles (31,35), each group po...
11/17/1987
4706323Sponge mop retainer with retraction rod hook receiving catch
A roller sponge mop sponge retainer comprising an elongated channel shaped sponge retainer adapted to receive and securely hold a roll mop sponge; the retainer having a top and two spaced apart side walls extending downwardly from the top; the elongated r...
11/17/1987
4706324Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace
Removable apparatus for cleaning obstructions such as oxidized or encrusted smelt from a smelt spout of a chemical recovery furnace. A metal cleaning head having a rod-like shape depends, at rest, from a housing attached exteriorly of the furnace above th...
11/17/1987
4706325Film cleaner
An elongated film strip is cleaned by two pairs of rotary brushes with soft bristles contacting opposite sides of the film strip traveling between the two pairs of brushes. Each pair of brushes is placed at an angle to the direction of film travel for bru...
11/17/1987
4706326Dual mode hair vacuum and dryer unit
A dual mode hair vacuum and dryer unit includes a cabinet with separate upper and lower compartments. An air pump in the cabinet has its suction inlet in the lower compartment and pressure outlet in the upper compartment for creating airflow through the a...
11/17/1987
4706327Automatic vacuum nozzle height adjustment system for vacuum cleaner
A vacuum cleaner includes a device which senses brush speed while varying nozzle height settings until an optimum height setting is reached. Nozzle height is varied by a motor that rotates a cam to move a support roller and is set by stopping the motor wh...
11/17/1987
4706328Pivoted caster wheel and yoke brake having a detent
An improved caster construction wherein a brake is provided for selectively braking both the wheel against rotation and the yoke against rotation around the axis of the post of the caster. The post includes a lower end having a nut fixed thereto and the b...
11/17/1987
4706329Twin-wheel castor
A castor comprises a moulded plastics body (1) having a socket for a swivel pin and a center wall (6) with an aperture of which the edge is formed as the outer ball track (9) of a ball bearing. Two moulded plastics wheels (2) have hollow hub portions (11)...
11/17/1987
4706330Automatic closing activator
This invention concerns a traction device such as a door closure made from memory alloy. In the preferred form the traction device comprises an elongated length of memory alloy, heating means operable to heat the element to restore it to its original shap...
11/17/1987
4706331Security hinges and junction boxes for lamp housings
The invention relates to a hinge for pivotally mounting flood lamps. The hinge includes a first and second knuckle. The first knuckle has an internally threaded socket. The second knuckle includes a first part and a second part, and the parts are interloc...
11/17/1987
4706332Cabinet hinge
Cabinet hinge whose cabinet-wall-related part in the form of a cantilever arm can be slipped onto a mounting plate installed on the wall of a cabinet and can then be fixed at selected positions on the mounting plate by tightening a screw. The mounting pla...
11/17/1987
4706333Gas springs with different active lengths to provide plural stable stopping positions
In an arrangement of gas springs as weight counter-balance and retaining device for a part pivotable substantially about a horizontal axis such as a flap, lid or door, a simple construction is required which guarantees two stable open positions for the pi...
11/17/1987
4706334Compartment lid torque rod opener assist assembly
A passenger car rear compartment lid hinge and torque rod arrangement is disclosed having both releasable and permanent torque rod holders that cooperate with the torque rod to automatically preload the latter with initial lid movement....
11/17/1987
4706335Hog splitter
There is disclosed a carcass back splitting machine having a multifaceted carrousel that supports, retains and advances carcasses through successive stations including an entry station, a splitting station and a discharge station. Each facet has carcass r...
11/17/1987
4706336Apparatus for handling fish fillets for the purpose of quality inspection
The invention concerns an apparatus which can be utilized for the quality inspection of fish fillets and enables the detection of faulty spots resulting from processing deficiencies, such as skin or fin remainders, blood spots, bones, as well as from para...
11/17/1987
4706337Apparatus for mixing textile fibers
An apparatus for mixing fibers consists of a mixing chamber having a charging device located proximate to a chamber end wall, a fiber conveyor located proximate to the chamber bottom, and a mixing plough located proximate to the chamber end wall opposite ...
11/17/1987
4706338Apparatus for forming fibre webs
An apparatus for forming fibre webs including a first component and a second component in the form of two textile fibres differentiated by their average fibre length or a textile fibre and wood pulp, said apparatus including a card means having a discharg...
11/17/1987
4706339Cleaning tape for top roll assembly
A spinning machine is improved by incorporating into the weighting arm of a drafting system a mounting support in the form of a spring which is incorporated into the weighting arm....
11/17/1987
4706340Method and an arrangement for producing a fibre layer
When practicing a method and using an arrangement for producing a fibre layer or fibre mat from a liquid-absorbent material, e.g. in the manufacture of diapers, a fibre-air suspension is blown in between two endless, mutually parallel air-permeable convey...
11/17/1987
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