Perforated tear strip for easy-open flexible containers
The present invention meets the continuing need for new and improved easy-open reclosable containers having hermetic, tamper-evident seals which are easily opened without damage to the interlocking fi... Read More
Inventors: La Pierre, Frank; Beyer, Daniel; McDonald, Daniel P.;, Assignee: Illinois Tool Words Inc. (Glenview, IL) |
Protruding end stops for plastic reclosable fastener
It is an object of the present invention to provide a plastic bag having a zipper that is operated by a slider wherein the zipper is terminated with protruding end stops formed from the zipper to enga... Read More
Inventors: Herrington, Jr., F. John; St. Phillips, Eric A.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
End clamp stops for plastic reclosable fastener
It is an object of the present invention to provide a plastic reclosable fastener with improved end stop means for retaining the slider on the fastener. The present invention relates to the manufactur... Read More
Inventors: Herrington, Jr., F. John; St. Phillips, Eric A.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Closure for post filling application to packaging
In view of the above it is a principal object of the present invention to provide an improved zippered closure that can be post applied to a conventional package after filling and sealing without inte... Read More
Inventors: Tilman, Paul A.;, Assignee: Minigrip, Inc. (Orangeburg, NY) |
Tamper-evident, reclosable flexible packages
The packages of the present invention have a unique combination of features. The packages are in-store tamper-evident, such that it is apparent to the consumer that the package has been opened upon ev... Read More
Inventors: Thompson, Bjorn J.; Hustad, Gerald O.; Marnocha, Todd S.;, Assignee: Oscar Mayer Foods Corporation (Madison, WI) |
Plastic reclosable fastener with slider detent lock for locking slider in closed position
It is an object of the present invention to provide a plastic-film bag with a zipper that is operated by a slider wherein a detent lock using spring-loaded elements is provided on the slider to lock t... Read More
Inventors: Richardson, Dale S.; Smith, Roger W.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Tubular plastic end stops bonded to plastic zipper
What is claimed is: 1. In the manufacture of plastic-film bags having a reclosable fastener extending along the mouth of the bag and a slider straddling the fastener for opening and closing the fasten... Read More
Inventors: Richardson, Dale S.; Smith, Roger W.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Zipper slider insertion through split track
It is an object of the present invention to provide a continuous process and system for making zippered plastic bags wherein the zipper slider is inserted onto a continuous zipper track by cutting the... Read More
Inventors: Donovan, Terry J.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Integrated end stops for zipper slider
It is an object of the present invention to provide an improved leakproof plastic zipper with integrated end stops for the zipper slider. The present invention relates to a leakproof plastic zipper wi... Read More
Inventors: Morgan, Kevin P.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Plastic end clips fused to plastic zipper
It is an object of the present invention to provide a plastic bag having a plastic zipper with improved means for attaching the ends of the two zipper elements together so they are strong and leakproo... Read More
Inventors: Herrington, Jr., F. John;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Tamper-evident, flexible, reclosable package
The packages of the present invention have a unique combination of features. The packages are in-store tamper-evident, such that it is apparent to the consumer that the package has been opened upon ev... Read More
Inventors: Hustad, Gerald O.; Thiemann, Daniel A.; Wells, Cindy M.;, Assignee: Oscar Mayer Foods Corporation (Madison, WI) |
Tamper-evident reclosable plastic bag with slider
A reclosable plastic bag embodying the present invention comprises first and second opposing panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. The b... Read More
Inventors: Dobreski, David V.; McManus, Michael W.; Provan, Alexander R.; Thomas, Toby R.;, Assignee: Tenneco Packaging (Evanston, IL) |
Vented reclosable bag
In one embodiment, a reclosable bag comprises a pair of opposing wall panels, a reclosable seal, and an optional tamper-evident partition. The pair of opposing wall panels are joined along a pair of o... Read More
Inventors: Dobreski, David V.; Keyser, Charles D.; Thomas, Toby R.;, Assignee: |
Digitally controlled power supply
This invention provides for a switching power supply in which an alternating current input supplies a pulser with rectified power which is substantially unfiltered at the frequency of said alternating... Read More
Inventors: Chambers, Derek; Wang, Dee;, Assignee: Raytheon Company (Lexington, MA) |
Two-part electrical connectors and electrical interlocks including them
We claim: 1. In a two-part electrical connector that comprises two parts each of which has an electrical contact, the two parts being engageable with one another in a mating relationship to establish ... Read More
Inventors: McDonald, Thomas V.; Witts, Stephen D.;, Assignee: Smiths Industries Limited (London, EN) |
Synchronous machine control system
Accordingly, an object of the present invention is to provide a synchronous machine control system capable of urging commutations of the current in the ac winding.... Read More
Inventors: Akamatsu, Masahiko;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Amagasaki, JP) |
Inverter driving method for induction motors
OF THE INVENTION Hereinafter, the present invention will be completely described, based on an embodiment shown in the drawings. In FIG. 1, .omega..sub.REF is a speed reference given from a speed refe... Read More
Inventors: Kume, Tuneo; Sawa, Toshihiro; Miyazato, Masanobu; Sawamura, Mitsujiro; Zenke, Michihiko;, Assignee: Kabushiki Kaisha Yaskawa Denki (Fukuoka, JP) |
Stepping motor for electronic timepiece
What is claimed is: 1. A reversible stepping motor comprising: stator pole pieces having inwardly rounded peripheries and spaced from each other by air gaps, said stator pole pieces having indentation... Read More
Inventors: Nakajima, Fumio; Machida, Takayasu; Yamada, Kenji;, Assignee: Citizen Watch Company Limited (Tokyo, JA) |
Stepping motor assembly
OF PREFERRED EMBODIMENTS FIG. 1 shows diagrammatically a possible constructional form of a conventional bipolar single-phase motor having a one-piece stator. The motor includes a stator 1 of substant... Read More
Inventors: Remus, Hans-Jurgen; Antognini, Luciano;, Assignee: Asulab S.A. (Bienne, CH) |
Method and device for controlling a bidirectional stepping motor
The object of the present invention is to provide a method and device for controlling a motor as defined hereinbefore, which make it possible on the one hand to reduce the current consumption of the m... Read More
Inventors: Grandjean, Remy; Guerin, Yves;, Assignee: ETA S.A., Fabriques d'Ebauches (Granges, CH) |
Stepping motor assembly
These purposes are achieved through a motor assembly in conformity with the invention which includes a known type of stepping motor provided with a rotor, a stator, and coil means borne by the stator ... Read More
Inventors: Besson, Rene; Guerin, Yves;, Assignee: ETA S.A., Fabriques d'Ebauches (Grenchen, CH) |
Voltage boosting detector circuit
We claim: 1. A voltage-boosting detector circuit comprising: an input terminal and a common terminal connectable across a source of amplitude-modulated oscillations; an output terminal connectable tog... Read More
Inventors: Graziadei, Rinaldo; Siligoni, Marco;, Assignee: SGS-ATES Componenti Elettronici S.p.A. (Agrate Brianza, IT) |
Motor speed control circuits
What we claim is: 1. A control circuit for controlling the speed of an electric motor coupled to a tachogenerator and arranged to rotate the clothes drum of a clothes washing and spin drying machine a... Read More
Inventors: Armstrong, Desmond R.;, Assignee: U.S. Philips Corporation (New York, NY) |
Dual current limiting voltage regulator
OF THE INVENTION The FIGURE illustrates the preferred embodiment of the voltage regulator as used in conjunction with a generator 10 which provides a charging current to a battery 12. In a typical ap... Read More
Inventors: Quantz, Chester;, Assignee: Electro-Tech, Inc. (Westland, MI) |
Two-quadrant operation system for a slip-recovery drive
The aforementioned objects are achieved, in accordance with the invention by providing a static bridge of SCR devices between the AC output of the rotor of the induction motor and the DC link to the s... Read More
Inventors: Herbert, Roger B.; Herchenroeder, Louis W.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Two phase induction motor circuit with series connected center-tapped stator windings
In general terms, the present invention is a highly energy efficient two phase induction motor circuit that reduces losses caused by leakage inductance without interfering with the normal operation of... Read More
Inventors: Bartlett, Peter G.;, Assignee: Automation Systems, Inc. (Eldridge, IA) |
Motor control system
An object of the present invention is to provide a motor control system for solving the above-mentioned problem. According to the present invention, in order to achieve the object, there is provided a... Read More
Inventors: Soeda, Katsuji;, Assignee: Yamamoto Electric Corporation (Sukagawa, JP) |
Smoke detector
What is claimed is: 1. Apparatus for detecting the presence of smoke, comprising: a. a housing defining an enclosure for the detector; b. a detection chamber within the enclosure for permitting a cont... Read More
Inventors: Berns, Charles; Podany, Vaclav O.;, Assignee: General Signal Corporation (Stamford, CT) |
Transmitter/receiver apparatus with common oscillator that changes frequency between transmitting and received operations
It is an object of the present invention to provide a transmitter/receiver apparatus wherein a sufficiently great difference is assured between a frequency of an FM intermediate frequency signal at a ... Read More
Inventors: Fukuda, Kunio;, Assignee: Sony Corporation (Tokyo, JP) |
Stabilized power supply
According to the present invention, there is provided a switching power supply for electronic apparatus comprising a rectifying circuit connected directly to the mains and an inductive discharge volta... Read More
Inventors: Longa, Pier Luigi; Gamba, Piero;, Assignee: Ing. C. Olivetti & C., S.p.A. (Ivrea (Turin), IT) |
Electrical and Wave 
