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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 238/377 - Bolt anchors and sleeves


Subclass of Class 238 - Railways: surface track
Definition: Bolt-anchors in ties and concrete and bolt-sleeves adapted
No. of patents: 14
Last issue date: 06/24/2008


NumberTitleIssue Date
7389940Method and device for fixing a guide rail
A method and a device for attaching an elevator guide rail to a substrate via a floating mount. The floating mount includes at least one of a base support, a side support, and a backside support. Each of the supports has a moveable part, a stop and a flexible elemen...
06/24/2008
7011253Engineered railroad ties
To increase the resistance of plastic and/or plastic composite railroad ties tosliding within the ballast of the railroad bed, for example, sliding lengthwise (in the direction of the longitudinal axis of the tie) and sideways (in the direction perpendicular to the ...
03/14/2006
6454181Subway rail anchor assembly
An anchor assembly and a method of installing the same so as to secure an object to an underlying substructure comprises an insert member having an internally threaded bore, and an externally threaded headed bolt member for threaded engagement within said...
09/24/2002
6454505Subway rail anchor assembly
An anchor assembly and a method of installing the same so as to secure an object to an underlying substructure comprises an insert member having an internally threaded bore, and an externally threaded headed bolt member for threaded engagement within the ...
09/24/2002
5738278Anchor sleeve for composite anchors and method of preparing corrosion-resistant anchorages
An anchor sleeve for a composite anchor is threaded in its inside surface and is anchored by at least one of an organic and inorganic mortar in a borehole formed in a concrete tie for rails or in a similar receiving material. The inside threaded sleeve (2...
04/14/1998
5332153Sleeve for increasing retention value of a screw
The retention value of a screw previously inserted into a wooden railroad tie is increased by an axially extending sleeve ( 20 ) having an external thread ( 24 ) and an internal thread (25). The thread revolutions of the internal thread (25) are offset ax...
07/26/1994
5314115Rail cross-tie for LIM transit system
A rail tie has a pair of rail supporting portions disposed on opposite sides of a central portion. The central portion is elevated relative to the central portion and supports a reaction rail of a linear induction motor used to propel a vehicle along the ...
05/24/1994
5285964Method for constructing a railroad in concrete having vertical and lateral adjustment steps prior to concrete pouring
The method relates to the laying of rails in a trench into which concrete is subsequently poured in order to fasten the rails. The method consists in laying adjustable-length ties (4) on the bottom of the trench (3), in roughly positioning the rails (14, ...
02/15/1994
5042717Strap for the quick fastening of a railroad rail and tie equipped with such a strap
Fastening strap composed of a rod having a vertical rectilinear part (20) and a curved part which forms a spring and the end (10) of which grips the flange (25) of the rail to be fastened, after being tensioned as a result of the rotation of the strap abo...
08/27/1991
5025987Rail securement apparatus
A rail securement clip is disclosed as having a base having an opening therethrough for receiving an anchor projecting from a foundation, a nose extending laterally of the base from the upper portion of the base and overlying the foot of the rail, and a p...
06/25/1991
5024381Active railroad spike and tie plate interconnection therefor
A rail spike for holding a tie plate on a tie, embodied in accordance with the invention so that tie cutting is prevented, spike removal for track maintenance is facilitated, and a free rail load wave is allowed. This preferably is attained by providing t...
06/18/1991
4967955Rail anchorage arrangement
A rail anchorage arrangement for fastening a rail, the anchorage comprises: a support structure; a body of weldable material welded to the upper surface of the support structure at a weld between the body and the support structure extending at least parti...
11/06/1990
4179067Railway track hold-down hardware
A base member, such as a cross tie, is molded of reinforced concrete or wood chips and resin. Depressions in the top of the base member are lined with pads of cushion material to seat the flanges of the rails. A pair of hold-down clips is seated on each p...
12/18/1979
4113177Composite railroad cross tie with rail support blocks
The present invention relates to an apparatus for retaining the rails of a railroad on the cross ties. Also disclosed herein is a novel railroad cross tie which has superior life expectancy as well as damping capability and is highly resistant to the elem...
09/12/1978
 
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