Dynamic measurement of material strength and life under cyclic loading
It is therefore an object of the present invention to provide a non-contact method for dynamic fatigue monitoring of polymeric and composite specimens. It is another object of the present invention to... Read More
Inventors: Reifsnider, Kenneth L.; Razvan, Ahmad; Elahi, Mehran;, Assignee: The Center for Innovative Technology (Herndon, VA) |
Apparatus and method for force-controlled fatigue testing
It is one object of this invention to provide an apparatus and method for force-controlled fatigue testing of a specimen wherein a force feedback loop is used to continuously correct a difference betw... Read More
Inventors: Moet, Abdelsamie; Alaa, Hamdy; Hafez, Wassim;, Assignee: Gas Research Institute (Chicago, IL) |
Method for remote application of variable load and/or displacement to specimens, components, or systems
OF THE INVENTION AND BEST MODE FOR CARRYING OUT THE PREFERRED EMBODIMENT Referring to FIG. 1, a typical process according to this invention is carried out using a displaceable container 101 (expandab... Read More
Inventors: Manahan, Sr., Michael Peter;, Assignee: |
Loadbearing wall holdown
The object of the present invention is to provide a connector that better withstands tension forces than the prior art while still being economical to produce and install. A further object of the pres... Read More
Inventors: Leek, William F.;, Assignee: Simpson Strong-Tie Co., Inc. (Pleasanton, CA) |
Force servo actuator with asymmetric nonlinear differential hydraulic force feedback
The hydraulic servo control system of this invention acts on an actuator piston which is subject to force asymmetries and which is mounted in a dual-chamber cylinder for bi-directionally moving a load... Read More
Inventors: Reust, Dennis K.;, Assignee: |
Universal mechanical testing device
One aim of the present invention is to provide a precise and controlled material testing device for testing small specimens. Another aim of the present invention is to provide a material testing devic... Read More
Inventors: Buschmann, Michael D.; Garon, Martin; Ouellet, Matthieu; Lavertu, Marc;, Assignee: Bio Syntech Canada Inc. (Laval, CA) |
Diaphragm with perimeter edging on structural panels
It is an object of the present invention to create a diaphragm that is highly resistant to failure under cyclic loading by lateral forces. It is a further object of this invention to improve the mecha... Read More
Inventors: Commins, Alfred D.; Gregg, Robert C.;, Assignee: Simpson Strong-Tie Company, Inc. (Dublin, CA) |
Record receptacle for a burial vault
FIG. 1 illustrates a perspective view of a burial vault 100 for use with an embedded and sealed record receptacle 140 according to a preferred embodiment. Burial vaults 100 typically hold a casket (n... Read More
Inventors: Pazar, Michael S.;, Assignee: Wilbert Funeral Services, Inc. (Broadview, IL) |
Method and apparatus for real-time structure parameter modification
First, with reference to FIG. 1, a building structure is indicated generally at 10. The structure illustrated has four generally vertically extending columns 12, 14, 16, and 18. In addition, there ar... Read More
Inventors: Lee, George C.; Liang, Zhong; Tong, Mai;, Assignee: Research Foundation of State University of New York (Buffalo, NY) |
Burial crypt
The present invention provides a crypt lid with lifting means for applying a vertical force to lift the lid. In a preferred embodiment, the lid is cast of concrete with one or more lifting holes exten... Read More
Inventors: Klanke, Michael Dean;, Assignee: |
Double saddle hanger clamp
It is therefore an object of this invention to provide an improved clamping arrangement about the telescoped portions of a pair of tubular members. Another object of the invention is to provide an imp... Read More
Inventors: Brewer, Bill J.;, Assignee: |
Adjustable load bolt adapter bracket assembly
I claim: 1. An adjustable bracket assembly for selective use with a varying number of fasteners to secure a bracing element to a fixed structure, said assembly comprising: an attachment member having ... Read More
Inventors: Kirschner, Kraig A.;, Assignee: Automated Fire Control, Incorporated (South El Monte, CA) |
Pipe hanger assembly
I claim: 1. A pipe hanger assembly for hanging a pipe from a pipe-hanger support comprising: a hanger having a pipe engaging element at the lower portion thereof; first and second legs made from sprin... Read More
Inventors: Roth, Steven;, Assignee: |
Seismic brace for electric cable tray
It is the primary object of the present invention to provide a seismic restraint or brace for connected sections of cable tray which will support the tray sections to avoid that shifting that might de... Read More
Inventors: Handler, Isidore;, Assignee: |
Threaded mounting for extruded pole
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. An assembly comprising: a tubular member and a plate member releasably locked to said... Read More
Inventors: Shewchuk, Peter;, Assignee: |
Support pad for air conditioning condenser unit or the like
OF THE INVENTION As indicated above, there have been many efforts in the past to provide a support pad for supporting an air conditioning compressor unit or the like. The present invention solves the... Read More
Inventors: Jones, John P.; Garrett, John D.;, Assignee: Polyvulc USA, Inc. (Vicksburg, MS) |
Assembly for casting and use of an isoelectric focusing strip
The present invention resides in an assembly in which an isoelectric focusing (IEF) gel can be cast and used, the assembly offering the benefits of both a tube gel and a flat IEF strip and none of the... Read More
Inventors: Panattoni, Cory M.;, Assignee: Bio-Rad Laboratories, Inc. (Hercules, CA) |
Locking fastener
This invention is directed to providing an improved locking fastener which is effective to preclude loosening of the associated nut even under high frequency vibratory load conditions. The invention i... Read More
Inventors: Terry, Sydney L.;, Assignee: |
Self adjusting construction tie-down
The instant invention fulfills the above stated need by providing a slack adjuster, in several forms, which is incorporated in construction tie-downs to automatically adjust tie-down length to take up... Read More
Inventors: Fazekas, Scott;, Assignee: |
Backlash compensating assembly
The invention provides an assembly that automatically compensates for backlash between machine parts, provides a system with a high level of axial stiffness while inducing a relatively minimal increas... Read More
Inventors: Siemons, Alexander H.;, Assignee: Ball Screw & Actuators Co. (San Jose, CA) |
Cargo positioning device allowing fine adjustment
It is the primary object of the present invention to provide cargo positioning device that allows fine adjustment. In accordance with the present invention, a cargo positioning device comprises: an ou... Read More
Inventors: Huang, Han-Ching;, Assignee: |
Tornado shelter with composite structure and concrete tub encasement
A protective shelter for installation above and in the ground including a superstructure style frame, a composite wall structure for absorbing energy from missile impacts, and a tub encased in a found... Read More
Inventors: Waller, James E.; McElwain, Ian E.;, Assignee: |
Drainage system for waterproofing a foundation
What is claimed is: 1. A method for draining accumulated moisture from an area comprising an interior juncture between a wall and a footing of a foundation, said interior juncture lying beneath a floo... Read More
Inventors: Ruiz, Richard D.; Jernigan, Thomas E.;, Assignee: Fas-Flo, Inc. (St. Louis, MO) |
Dampening shock absorber
It is a principal object of the present invention to provide a dampening shock absorber or strut for a vehicle suspension system arranged to bias the vehicle wheels and axles to the frame, supporting ... Read More
Inventors: Christopherson, Rollin F.;, Assignee: |
Pocketed spring assembly
The invention of this application which accomplishes these objectives comprises a string of springs adapted to be combined with other like strings of springs to form a spring assembly. The string of s... Read More
Inventors: Workman, Joe C.;, Assignee: L&P Property Management Company (South Gate, CA) |
Vibration damping device, especially for protecting pipelines from earthquakes
We claim: 1. Device for damping abrupt movements of equipment such as pipelines wherein vibrations caused by earthquakes or ship movements or the like are excited, while movements resulting from therm... Read More
Inventors: Radermacher, Gunter; Busch, Karl Alexander;, Assignee: Interatom, Internationale Atomreaktorbau GmbH (Bensberg, Cologne, DT) |
Stroke dependent bypass
The present invention provides the art with a multi-stage hydraulic damper or shock absorber that provides damping which varies according to the stroke amplitude. Soft damping is provided for small st... Read More
Inventors: Deferme, Stefan;, Assignee: Tenneco Automotive Inc. (Lake Forest, IL) |
Method of roof reinforcement against hurricanes
It is one object of the present invention to provide a retrofitting method for tying roof structures to suitable walls or other building components below the roof structures to enable the roof structu... Read More
Inventors: Platts, Robert E.;, Assignee: |
Variable damping device for seismic response controlled structure
The main body of a variable damping device of the present invention includes hydraulic chambers installed on both sides of a piston drivingly connected to a piston rod for reciprocation within a hydra... Read More
Inventors: Kobori, Takuji; Matsunaga, Yoshinori; Niwa, Naoki; Mizuno, Takayuki; Sasaki, Hironori; Arimoto, Ichiro; Shinohara, Naoshi;, Assignee: Kajima Corporation (Tokyo, JP); Kawasakijukogyo Kabushiki Kaisha (Hyogo, JP) |
Floating dock structure and method for fabricating the same
According to the present invention a generally rectangular framework is formed by a plurality of structural members that have a generally C-shaped cross section. Each of the structural members is form... Read More
Inventors: Peterson, John A.;, Assignee: |
Vibration and Earthquake Isolation 
