Model 4420 Series

2020-8-4 · GEOKON Model 4420 vibrating wire crackmeters are designed to measure movement across tension cracks in soils, joints in rock and concrete, construction joints in buildings, bridges, pipelines, dams, and more. The instrument consists of …

Vibrating tamping bull-float | Patexia

2005-8-2 · 1. A vibrating/tamping bull-float for agitating, leveling and smoothing a top surface of freshly poured concrete, integrating cement adhesives into the top surface, and pushing coarse aggregate down into the concrete while allowing cream to surface, comprising:na stable float body with a horizontally extending bottom surface, attached to said pushing handle;a vibrating float …

Matthew L. Porter Inventions, Patents and Patent ...

2021-7-27 · Matthew L. Porter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). Abstract: The present invention relates to a method of making a solid cleaning composition.

Air driven vibration cement float

A pneumatically energized hand-held vibrating cement float. A rectangular base plate is provided for contacting the surface of wet cement. Centrally disposed intermediate the ends of the base plate is a rotary ball vibrator, extending from which is a …

US Patent for Vibrating table with driven unbalanced ...

1993-1-14 · A vibrator includes a vibrating table; a plurality of driven unbalanced shafts disposed within the vibrating table and arranged in pairs; and a plurality of unbalanced bodies. A separate unbalanced body is connected to each unbalanced shaft. The unbalanced bodies can assume various vibrating frequencies and angular positions. An adjustment device varies the vibrating …

Patents Assigned to USA, LLC

2014-1-16 · Justia - Patents - Patents and Patent Application Resources. Abstract: A compact mobile variable angle vibrating screen with a suspension and dampening system configured to accommodate variable angles and exhibit acceptable vibration levels; especially during power up and power down surge vibration at the variable angles. The system comprises a group of bi …

Vibrating Wire Displacement Transducers

2020-4-22 · GEOKON ® vibrating wire displacement transducers are designed to measure displacements across joints and cracks in concrete, rock, soil and structural members. In essence, the transducer consists of a vibrating wire in series with a tension spring. Displacements are accom-modated by a stretching of the tension spring, which

Model 4100/4150 Series VW Strain Gauges

2021-4-12 · GEOKON''s 4100/4150 Series Vibrating Wire Strain Gauges are intended primarily for measuring strain on structural stee l members, such as tunnel linings, arches, struts, piles, sheet piling, etc. Model 4100 consists of a vibrating wire gage element and removable coil assembly.

What''s the Best Concrete Screed for the Job? | Concrete ...

2021-7-14 · Concrete''s water content (at the time of pouring) is directly related to its strength. The wetter the concrete is poured (or high slump), the weaker the cured concrete will be. While water is essential to the curing process, it is …

Study of the Effect of Fibre Orientation on Artificially ...

2018-3-5 · The fibre utilization efficiency of directionally distributed fibre-reinforced concrete is better than that of randomly distributed fibre. However, controlling the fibre direction is difficult, which limits its applications. In this paper, a method in which fibres were artificially directed was used to simulate the feasibility of orienting fibres during 3D concrete printing.

US Patent for Vibrating screen suspension systems Patent ...

2011-11-7 · A compact mobile variable angle vibrating screen with a suspension and dampening system configured to accommodate variable angles and exhibit acceptable vibration levels; especially during power up and power down surge vibration at the variable angles. The system comprises a group of bi-directional dual pivot leg vibration damper mechanisms which are …

Oscillating/Multi-tools | FEIN Power Tools, Inc.

The best tools. The best accessories. Success with a system since 1967 and going forward. High performance tools combined with the most extensive range of accessories on the market, opens up an exceptional range of applications providing the right solution to thousands of jobs. The No. 1 in interior construction and renovation.

Concrete Screed Attachment for Skid Steer, Loader, or ...

With vibrating floats integrated into our screeding process, your concrete finishers will be well-rested. This allows them to dedicate their full attention and energy to those all-important finishing touches. Your employees will experience a serious …

Sustainable Concrete Construction

Diesel fuel is used to transport concrete that release 0.009t CO2-e/m 3 empty returned journey is included. Onsite activities like pumping, vibrating, and finishing employed fuel is (1.5 L/m 3 pumped concrete), sometime concrete is craned …

EP0220076A2

a) Vibrating table for making concrete products. b) Table characterised in that it comprises, at its front part corresponding to the front part of the mould opposite the feed hopper, added vibration-initiating elements (8, 9, 14, 14'', 16, 16'') capable of compensating for the imbalance in the filling of the mould between its front portion and its rear portion.

Self-Loosening of Bolts and Nuts

2016-7-28 · Patents for this type of nut began to appear in the 1860''s and many of the principal types can be traced back over 100 years. One advantage of this type of nut is that the locking feature can be checked at the time of assembly by …

Vibrating tamping bull-float

A pneumatically energized hand-held vibrating cement float. A rectangular base plate is provided for contacting the surface of wet cement. Centrally disposed intermediate the ends of the base plate is a rotary ball vibrator, extending from which is a …

M18 FUEL 4'' Concrete Pencil Vibrator | Milwaukee Tool

The MILWAUKEE® M18 FUEL™ 4 ft Concrete Pencil Vibrator generates 1.8 Peak HP, which is three times more powerful than competitive cordless pencil vibrators, all on the M18™ Cordless System. The POWERSTATE™ Brushless Motor delivers maximum sustained power and 12,500 VPM for optimal consolidation with a variable speed trigger.

Concrete Vibrators and Grinders

2020-11-7 · The patent pending rotary throttle ensures the ... When transmitting power from the power source to the vibrating head, select one of Oztec''s flexible shafts. Oztec Flexible Shaft inner cores are ... slump concrete (near 0) when maximum head size specifications (see page10)arefollowed.

Concrete drill

A concrete drill for drilling concrete or the like by a diamond bit (5) attached to a front end of a bit drive shaft (4) projected forward from a main body (1) by driving to rotate the bit drive shaft (4) by a drive source (2) contained in the main body (1) in which the main body (1) is provided with a vibrating apparatus (8) for exerting a vibrating force a magnitude which is pulsated to ...

Vibrating screed and curb/gutter forming apparatus and ...

A lightweight, portable, vibrating-type concrete screed utilizes an elongated, open frame structure, is adapted to being winched automatically to screed a concrete-formed road and simultaneously form and smooth associated curbing and guttering with improved vibrator and smoothing means.

Model 4200 Series

2019-11-11 · GEOKON vibrating wire embedment strain gauges are designed for direct embedment in concrete. This can be accomplished by attaching the gauge to rebar or tensioning cables and then cast ing the gauge into a concrete briquette, which is subsequently cast into the structure, or grouting the gauge into boreholes in the concrete.

Eriez

Eriez Bin Vibrators are used in applications ranging from the tiniest hopper to huge bunkers, providing efficient and economical movement of hard-to-handle bulk materials. Electric Rotary Vibrators (ERVs) serve as a powerful, reliable and effective flow-aid for hoppers and chutes, or a driving force for vibratory screeners, feeders and conveyors.

US6976805B2

A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may include a wheeled support which at least partially supports the vibrating beam and/or the grade setting …

Concrete screed

The present invention relates to concrete screeding apparatus, and particularly to an improved portable and lightweight vibrating concrete screeds enabling a workman to use same without the need for rigid forms. DESCRIPTION OF PRIOR ART. For many years, tools for levelling concrete have been developed.

Vibrating Feeling In Your Foot? It''s Probably Pallesthesia ...

2017-1-16 · When it comes to health, nobody likes a mystery. Which is why a mysterious buzzing or vibrating in your foot that seems to come and go at random is so frustrating. What Causes Vibrating of the Feet? This mysterious–and …

Design of Floors for Vibration: A New Approach

2012-9-19 · B.2 Retrofit and remedial measures for Steel-concrete construction 81 B.3 Retrofit strategies for machine induced vibrations 82 APPENDIX C Dynamic testing of building floors 84 C.1 Modal testing 84 C.2 Modal testing of floors with measurements made of the excitation force 86 C.3 Vibration performance assessment 91

US4349295A

An improved frame construction for a portable, vibrating-type concrete screed incorporates a specially designed hollow ridge tube extending along the apex of an elongated open frame of triangular cross section and providing means for adjusting relative angular positions of adjoining screed units and for passage of air when the screed is air operated.

Vibrating screed and curb/gutter forming apparatus and ...

A lightweight and portable vibrating screed is provided with an elongate open structure frame which may be made up of a plurality of interconnected frame units. A shaft is supported for rotation in spaced bearings along the frame and extends outwardly beyond the bearings at each end of the frame. Variable speed drive means is provided for rotating the shaft at a sufficient …

US7465121B1

A hand trowel for vibrating concrete in order to smooth the concrete. The trowel has a blade, a handle mounted on the blade, and electrical components including a motor inside the handle. When the switch is turned on, the motor causes the handle to vibrate, which in turn transmits vibrations to the blade and to the concrete surfaces that come in contact with the blade.

By Reciprocating Or Vibrating Mold Patents and Patent ...

2016-5-23 · Abstract: A method of impregnating a fiber texture of hollow shape, the method including introducing a first suspension containing a first powder of solid particles of ceramic or carbon material into an inside volume defined by an inside face of a fiber texture of hollow shape placed in a mold, an outer face of the fiber texture being presented facing a wall of the mold; …