| Patent Number |
Title Of Patent |
Date Issued |
| 5092359 |
Handle enclosure for valves |
March 3, 1992 |
| An enclosure for a valve handle formed of two enclosure-halfs of identical structure hinged together to form a clamshell enclosure for the handle of the valve. |
| 5066349 |
Process for pultruding a composite sign |
November 19, 1991 |
| A sign is made by a pultrusion process by printing separate sign panels and attaching them to a fibrous component of the sign to make a longitudinally continuous sign panel subassembly which is beneath the surface of the sign. The sign panels are spaced apart in the subassembly by about |
| 5062916 |
Method for the manufacture of electrical membrane panels having circuits on flexible plastic fil |
November 5, 1991 |
| A method for producing electrical membrane panels including spaced conductive circuits on separate plastic film layers in which the membrane panels are formed on webs of the plastic films laminated together, and individual membrane panels are severed from the combined webs after being |
| 5022951 |
Label removal and applicator hand tool |
June 11, 1991 |
| A removal and applicator hand tool for adhesive labels having a movable label retainer-wiper plate affixed between spaced lower and upper elements of a foot member in which the plate moves between a first position to grip a label between it and the lower element for retaining a label rem |
| 5003797 |
Lockout device for valves with lever handles |
April 2, 1991 |
| A lockout device for a valve having a lever handle. The device includes a channel member defining a channel to receive a section of the lever handle when closed and a leg that bears against the valve or pipeline connected to it. A lock is inserted through the apertures in the channel mem |
| 4952783 |
Light transmitting flexible film electrical heater panels |
August 28, 1990 |
| Flexible heater panels comprising a light transmitting film substrate and a transparent conductive layer vacuum deposited on the substrate formed of (1) a light transmitting flexible plastic film substrate and (2) a vacuum deposited transparent conductive layer on a surface of the substr |
| 4935279 |
Pultruded composite sign and process therefor |
June 19, 1990 |
| A sign is made by a pultrusion process by printing separate sign panels and attaching them to a fibrous component of the sign to make a longitudinally continuous sign panel subassembly which is beneath the surface of the sign. The sign panels are spaced apart in the subassembly by about |
| 4926007 |
Shielded flexible connector and process therefor |
May 15, 1990 |
| A flexible shielded connector is made by depositing a cover shield layer onto a base shield layer so as to provide direct mechanical and electrical contact along the side edge seams of the two shield layers. A metallic base shield layer is applied to a flexible substrate and a base layer |
| 4920882 |
Electronic labeler with printhead and web sensor combined for concurrent travel, and assemblies |
May 1, 1990 |
| An electronic labeling machine is disclosed which includes a printing mechanism with a carriage adapted for horizontal travel across assemblies of identification devices to be imprinted. A web sensor is attached to the carriage for concurrent travel therewith. In traversing horizontally |
| 4920342 |
Membrane switchcores with high resisitivity ink circuits |
April 24, 1990 |
| A decodable alphanumeric membrane switchcore (12, 12a, 12b,100) of at least 36 key cells (55,122) including spaced circuits (16,17;105,115) having row and column traces (20-34, 40-47,51;106,116) and key cell elements (37,38,49;80;107,117) printed with ink having a resisitivity of at leas |
| 4895630 |
Rapidly removable undercoating for vacuum deposition of patterned layers onto substrates |
January 23, 1990 |
| An undercoating for the vacuum deposition of material thereover that can be removed from a substrate by washing with water for one minute or less comprising a water soluble film-forming polymer, a solubility accelerator and a solid particulate material that provides a rough surface topol |
| 4876461 |
Self-referencing capacitive key cell structure and switchcore matrices formed therefrom |
October 24, 1989 |
| In a capacitive switchcore of the type in which each key cell includes a contact switch in series with a key cell capacitor, an improvement is disclosed in which an intracell coactive loading capacitor is added to each key cell. The intracell coactive loading capacitor is connected b |
| 4857684 |
Capacitance membrane switchcore with intertrace capacitive coupling and/or intratrace capacitive |
August 15, 1989 |
| A capacitance membrane switchcore (12,12a, 12b, 12c, 12c') including a first circuit (16, 16'), a second circuit (17,17') and a third circuit (49,49') in which intertrace coupling capacitors (58,58') couple conductive traces (40-47,135) of the second circuit (17,17') to conductive tr |
| 4857683 |
Membrane switchcores with key cell contact elements connected together for continuous path testi |
August 15, 1989 |
| Flexible membrane switchcores (100, 100a,100b) including a conductive first circuit (180) having first traces (171-178;194;196) and a conductive second circuit (185) having second traces (186-192;195;197), first contact elements (107a-162a) formed as nonbranched integral sections of the |
| 4844629 |
Electronic labeler with printhead and web sensor combined for concurrent travel, and assemblies |
July 4, 1989 |
| An electronic labeling machine is disclosed which includes a printing mechanism with a carriage adapted for horizontal travel across assemblies of identification devices to be imprinted. A web sensor is attached to the carriage for concurrent travel therewith. In traversing horizontally |
| 4812343 |
Pultruded fiber reinforced plastic marking devices |
March 14, 1989 |
| Pultruded marking devices (29,42,45,48,50,55,57,58) made of fiber reinforcement materials (10,14,16,17) embedded in a cured polyester resin matrix that contains about 2% to 25% by weight of cellulose solid particulates. Unidirectional reinforcement materials (10) are the major portio |
| 4795861 |
Membrane switch element with coated spacer layer |
January 3, 1989 |
| An open-contact membrane switch element (1,2) comprising a plastic film substrate (10) carrying a first conductive circuit (13), a dielectric coating (30) applied to cover the circuit (13) on the substrate (10) in a pattern defining uncoated zones (31,32,34) around each contact (14-17) o |
| 4730146 |
Folded electroluminescent lamp assembly |
March 8, 1988 |
| A folded electroluminescent lamp assembly (37,65, 87) including an electroluminescent lamp panel (10,41,74, 89) joined to a flexible circuit panel (4,42,73, 88) folded over and joined to the lamp panel. A tail (5,43,79, 90) extends from the circuit panel. Conductive tracks (30-35,56- |
| 4714631 |
Rapidly removable undercoating for vacuum deposition of patterned layers onto substrates |
December 22, 1987 |
| An undercoating for the vacuum deposition of material thereover that can be removed from a substrate by washing with water for one minute or less comprising a water soluble film-forming polymers, a solubility accelerator and a solid particulate material that provides a rough surface topo |
| 4686144 |
High performance printable coatings for identification devices |
August 11, 1987 |
| A printable coating suitable for identification devices that combines a polyimide and a fluorocarbon elastomer as a film-former binder at a weight ratio of polyimide:fluorocarbon elastomer in the range of about 2:1 to 3:1. The coating exhibits a high degree of solvent resistance and ther |
| 4683360 |
Membrane switch combined with electroluminescent lamp panel |
July 28, 1987 |
| An assembly combining a membrane switch and an electroluminescent lamp panel in which the lamp panel is attached to a circuit layer of the membrane switch. |
| 4676446 |
Adhesive tape dispenser package with interlocking cover members |
June 30, 1987 |
| A package (10) for a roll of adhesive tape (65) consisting of a unitary structure having a first cover member (11) and a second cover member (12) foldable into a superimposed condition to form a tape storage compartment (70) and a tape exit slot (71) through which the tape (65) is lead t |
| 4655129 |
Marker sleeve processing machine |
April 7, 1987 |
| A marker sleeve processig machine (20) for printing a legend (5) on individual marker sleeves (6) from a series (1) of marker sleeves fed through the machine (20). Various functions of the machine (20), such as transport of the web (1), printing of a sleeve (6) and removal of a print |
| 4623768 |
Foldable membrane switch with fold remote from contact-carrying panels |
November 18, 1986 |
| Folded membrane switches (20, 50, 70) formed from foldable blanks (21, 51, 71) including two spaced contact-carrying panels (22,23) connected by an intermediate third panel (24). The blanks (21, 51, 71) are folded along the third panel (24) to position contacts (25, 27) on the contact-ca |
| 4574440 |
Marker sleeve applicator machine |
March 11, 1986 |
| A machine (1) for the application of marker sleeves (17) from a web (10) in which strips (A-D) of the marker sleeves are fed to an indexing head (62) and then to an application station (90) at which an endmost sleeve is removed from a strip and opened to enable an operator to insert a wi |
| 4562315 |
Capacitance membrane switch |
December 31, 1985 |
| A capacitance membrane switch (1) including first (64,68), second (52,58) and third capacitor plates (44-48) wherein the third capacitor plates consist of conductive adhesive. |
| 4535960 |
Cable clamp with alignment means |
August 20, 1985 |
| A cable clamp (1, 20, 30) including an arcuate central body portion (2) which is to encircle a cable (15), a first flat end portion (3) and a second flat end portion (4) extending from opposite ends of the central body portion, and apertures (5, 6) in each flat end portion. One end p |
| 4500223 |
Carrier for hinged support of pages |
February 19, 1985 |
| A carrier (10) for holding a plurality of pages (2) including a support member (13) and at least one ring (12) extending therefrom that includes a lower retention finger (20) of substantially uniform thickness and a flexible upper finger (21) of decreasing thickness. The fingers (20, 21) |
| 4493446 |
Multiple roll tape dispenser |
January 15, 1985 |
| A tape dispenser (1) for a plurality of rolls of pressure sensitive adhesive tape (70) including a tape storage compartment (5) and tape severance compartment (6) in which are located flexible retention wings (40), guard fingers (17) and tape cutter bar (50). Tape is drawn across a f |
| 4461793 |
Printable coating for heatshrinkable materials |
July 24, 1984 |
| An identification device (10,20) having a heatshrinkable plastic substrate and a printable layer (12) over an exterior surface thereof comprising a polyester resin, calcium carbonate and a silicate compound. The printable layer forms a smooth surface for the application of alphanumeric |
| 4446183 |
Tag with attached fold-over transparent cover element |
May 1, 1984 |
| As assembly (10, 210, 310) of a web of tag material (12, 312) and a web of transparent cover element material (13, 313) carrying a layer of transparent pressure sensitive adhesive (14, 314) that is releasably joined to the lower surface of the web of tag material. The web of tag mate |
| 4442939 |
Longitudinally-seamed assembly of sleeve markers |
April 17, 1984 |
| An assembly (1) of tubular sleeve markers (2) made with two webs (3, 4) joined together by longitudinal seams (5, 5a and 5b) and having transverse severance lines (13); a row of transverse apertures (12) is defined in at least one of the webs. An individual sleeve marker has closed edge |
| 4431882 |
Transparent capacitance membrane switch |
February 14, 1984 |
| A more transparent capacitance membrane switch in which capacitance elements are offset from their associated switch locations so as to be out of the transparent field of view through the switch. |
| 4417105 |
Membrane switch assembly with modular switch portions |
November 22, 1983 |
| Custom membrane switch assemblies comprising a plurality of switch modules of different sizes. |
| 4415781 |
Membrane switch |
November 15, 1983 |
| A membrane switch in which switch activation produces a change in the combined resistance and capacitance across leads of the switch. |
| 4415006 |
Marker sleeves |
November 15, 1983 |
| A marker sleeve (1, 1A, 15, 20, 30, 40, 50 or 60) having an outer wall (2) defining a tubular body and at least one inner web (3, 4, 16, 21-23, 31-34, 42, 52 or 62) extending longitudinally of the tubular body. An inner web is spaced from its overlying outer wall portion along a long |
| 4412209 |
RC Array |
October 25, 1983 |
| A switch assembly with a different combination of resistance and capacitance associated with each of a plurality of switches and with as few as two leads connecting the plurality of switches to external circuitry. The external circuitry detects switch activation by sensing combined r |
| 4406912 |
Lift-off element |
September 27, 1983 |
| A pressure-activated lift-off element in which a lift-off layer comprises a combination of at least one solid polyamide adhesive resin and oleic acid. |
| 4405849 |
Switching contact |
September 20, 1983 |
| A flexible multilayered membrane switch having electrically conducting contacts comprising Ti.sub.2-x N or Ta.sub.2-x N, to reduce oxidation of the surfaces of the contacts. |
| 4403122 |
Membrane switch assembly with modular switch and spacer portions |
September 6, 1983 |
| Custom membrane switch assemblies comprising switch modules and spacer modules. |
| 4400758 |
Capacitance switch arrangement |
August 23, 1983 |
| A capacitance-type membrane switch in which ordinarily spaced-apart contacts are positioned other than directly over an associated capacitance spacing element with an inner insulating layer and outer conductive portions. |
| 4389583 |
Capacitance switch detection circuitry |
June 21, 1983 |
| Detection circuitry for a capacitance switch including a source of two-state electrical pulses that are supplied to two clock nodes 180.degree. out of phase, a buffer connected to one of the switch connection nodes, means between the clock nodes and the switch connections to maintain |
| 4379805 |
Graphics-bearing element and fluid line marking tape |
April 12, 1983 |
| A graphics-bearing element is provided in which improved durability in liquid environments is provided through inclusion in a graphics layer of polyvinyl formal resin. |
| 4376145 |
Electroluminescent display |
March 8, 1983 |
| An electroluminescent display device is provided in which electroluminescent portions are defined by first laying down a layer of electroluminescent host material and thereafter doping this layer in selected portions with an electroluminescent activator. |
| 4373124 |
Capacitance switch |
February 8, 1983 |
| A capacitance-type switch in which an integral capacitance spacer layer element extends over and is severally movable toward and away from separate contact elements of separate switches. |
| 4373122 |
Capacitance switch |
February 8, 1983 |
| A capacitance switch in which a capacitance spacing element is bent around an end of a spacer centrally relieved for strain relief. |
| 4369393 |
Electroluminescent display including semiconductor convertible to insulator |
January 18, 1983 |
| An electroluminescent display which includes a thin film layer of a material which, if undue current passes through a portion of it, that portion is converted from a semiconductor into an insulator. |
| 4367385 |
Capacitance switch |
January 4, 1983 |
| A capacitance-type membrane switch is provided in which it is practical to seal the switch against dust and fluid. |
| 4363401 |
Sleeve marker assembly |
December 14, 1982 |
| A sleeve marker assembly (10, 50) of sleeve markers (11, 53) formed by a base web (12) and top web (13) joined together by transverse seals (16). The base web and top web are of the same width, and two or more rows of spaced longitudinal slits (18, 21, 51 & 52) extend through both webs t |
| 4361230 |
Assembly of tubular sleeve markers |
November 30, 1982 |
| An assembly of tubular sleeve markers formed by one or more top webs joined to a base web along transverse seams. The top webs are narrower in width than the base web. The base web has opposed marginal edge portions that extend beyond the top webs. Separable line means are formed in the |
