concrete crusher patents

Method and apparatus for removing concrete coating from ...

The method comprises positioning the apparatus on the coated pipeline, crushing the coating, raising the entire apparatus to free the fractured coating from the pipeline, retracting the crusher blades, and moving the apparatus to a new position on the pipeline. Inventors: Lee, Charles M. (ia Beach, VA) Application Number: 07/087867.

Crusher of chunks of concrete or masonry

 · The present invention relates to a crusher capable of efficiently crushing chunks of concrete or masonry waste, which crusher is attached to a crusher body such as a bucket which is disposed at a distal end of a movable arm or other predetermined place of a civil engineering machine, into small pieces.

US Patent for Portable crusher for concrete Patent (Patent ...

Justia Patents Separator In Discharge From Comminuting Zone US Patent for Portable crusher for concrete Patent (Patent # 5,647,545) Portable crusher for concrete . Oct 18, 1995 - Ohio Machinery Co. A crushing plant is carried on one trailer and a screening plant is carried on another trailer. A separate hopper for receiving material is ...

Crushers

Oleg D. Neikov, in Handbook of Non-Ferrous Metal Powders, 2009 Crushers. Crushers are widely used as a primary stage to produce the particulate product finer than about 50–100 mm in size. They are classified as jaw, gyratory and cone crushers based on compression, cutter mill based on shear and hammer crusher based on impact.

Crusher Rental & Sales – Portable Aggregate Equipment for Sale

Equipment Sales and Rentals. CR&S provides the most reliable crushers, impactors, screens, feeders, and conveyors available. Our top-of-the-line, quality equipment is matched only by our top quality service and delivery. Learn More.

Built To Connect

Investor Information. ASTEC was founded in 1972 with the vision to apply creative thinking and state-of-the-art technology to traditionally low-tech industries, bolstered by a corporate culture renowned for putting customer service first. Based in Chattanooga, our market-leading brands have become a global leader in the manufacture of equipment ...

Hammer Mills for Material Reduction | Williams Patent Crusher

HAMMER MILLS. Williams Patent Crusher is a leading industrial hammer mill manufacturer. Our industrial size reduction machines can handle any material size reduction job. Choose a Williams machine for high efficiency and economy. Using midair and impact crushing, grinding, and shredding, our machines can handle virtually any material.

Concrete Batching Plant Manufacturer | Propel Industries

Propel Industries provides innovative, technologically-sound and cost-effective solutions to the crushing and screening industry. We are the strategic business division of the 57-year-old Coimbatore-based AV Group. We provide a comprehensive range of products with high reliability. Enhanced performance and versatile applications at optimal ...

US4951886A

A concrete crusher of the type comprising a rotatably mounted frame carrying both the crusher forming members and the shearing members, and wherein said shearing members are formed by at least one fixed arm and one of the arms of the crusher, the latter arm being articulated to said frame and adapted so as to give to the shears the maximum opening when it is in a maximum closed position of the ...

Concrete crusher

United States Patent 4838493 ... It will be seen that the invention provides a new and improved concrete crusher which may be used to lift and grasp articles of reinforced concrete and to crush them into particulate sizes so that they may be handled by other types of equipment and buried in landfills or used as aggregate in construction sites.

Crushers For Sale

Crushers Crushers are an important part of many industrial and materials processing projects. They allow for the crushing of rocks into gravel, smaller rocks, or even miniscule dust. Equipment Trader''s …

Method of obtaining hot macadam road concrete mixture with ...

Method of obtaining hot macadam road concrete mixture with sweepings of limestone G 400 crushing includes preparation of hot road concrete mixture for upper and lower layers of coatings, which consists of, wt %: macadam of strong rocks - 46…48, sweepings of strong rock crushing (crushed sand) - 38…50, limestone G 400 crushing sweepings - 3 ...

Mineral Crusher | Cost Effective, CE Quality

 · Justia - Patents - Patents and Patent Application Resources. Abstract: A method for making an admixture in liquid form for concrete includes the step of providing a nanocarbon mixture containing at least two different types of nanocarbon particles, with each type of nanocarbon particle having a predetermined percentage range by mass of the admixture, crushing …

Crusher

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.

Crushing

Crushing Astec designs and manufactures a wide range of quality crushing equipment that is technology-driven and durably-designed for modern crushing operations. Our state-of-the-art machinery is specifically built to accommodate a variety of applications …

Patents

Concrete Speciality Plants/Asphalt Terminals Asphalt Pavers ... Innovation is key to our success as a company, and we''re proud to showcase our advanced technology through our patents. ... Portable Crushing and Screening. Rock Breaker Technology. Screed. …

R.R. Equipment Company — Manufacturer of portable crushing ...

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Impact Crusher Machines | Williams Patent Crusher

Williams Patent Crusher is an industry-leading impact crusher manufacturer, with nearly 150 years in the business to prove it. Since 1871, we''ve been engineering new designs and improving our existing models to deliver the highest-performing impact crusher machines on the market to our clients.

Rock & Stone Crushers | Rock Crushing Machines | Williams ...

Williams Patent Crusher is proud to offer a line of rock crushing machines that provide a wide range of available options. We understand that every crushing and grinding job is different, and we strive to make sure every machine we construct is a custom solution that gets a specific job done right.

Mobile concrete crushing business for sale in Myrtle Beach ...

Myrtle Beach, SC:This business can be run anywhere there is a waste stream of concrete or asphalt. Mobile Crusher is a mobile concrete crushing business opportunity that has a very niche market. How many piles of concrete have you seen laying around that none of the big crushers …

Concrete crusher with cutting shears

A concrete crusher has cutting shears with a first cutting arm forming an additional arm on one of the jaws of the breaker tongs and a second cutting arm rigidly joined to the frame of the concrete crusher. An hydraulic piston/cylinder unit drives the jaws such that the first cutting arm is in an open position relative to the second cutting arm when the jaws are in an open position.

Concrete Compression Machines

Humboldt''s concrete compression frames are designed to handle the daily demands of testing concrete cylinders, beams, blocks and cubes. Humboldt''s compression machines span a testing range from 30,000 to 500,000 lbs. (1112 to 2,224kN). All compression frames are built in the U.S. to specifications exceeding current industry standards. more ».

Concrete Pipe Facts | General | General

The French were the first to incorporate steel reinforcement in concrete pipe in 1896 (known as the Monier patent). The concept was brought to America in 1905 and to Australia in 1910. Since then, over 300,000 kilometres of steel-reinforced concrete pipe have been laid in Australia and New Zealand in drainage, road culvert, sewer and pressure ...

Joseph Monier

In 1885 German engineer Gustav Adolf Wayss (1851–1917) bought Monier''s patent and developed it further. He conducted further research in the use of reinforced concrete as a building material, and established a number of construction companies for reinforced concrete (the most famous are Wayss & Freytag and Beton- und Monierbau AG).

US5887810A

The present invention relates to a crusher capable of efficiently crushing chunks of concrete or masonry waste, which crusher is attached to a crusher body such as a bucket which is disposed at a distal end of a movable arm or other predetermined place of a civil engineering machine, into small pieces. A pair of toothed crushing plates each having a plurality of radially extending teeth are ...

CRUSHER DEPARTMENT : KOTOBUKI ENGINEERING & …

Aggregates for concrete are usually crushed to 20-0mm. A conventional quarry process may consist of at least three crushing stages, a minimum installation beginning with a primary (jaw) crusher to reduce all the material to less than 150-200mm.

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2017 REMco Crushers at the Top of the World. REMco is an innovative crusher manufacturer with multiple patents on it VSI crushers which make its machines desirable for a systems integrator and OEMs for use in their plants. One such company is Australia''s Gekko Systems.

Built To Connect

Investor Information. ASTEC was founded in 1972 with the vision to apply creative thinking and state-of-the-art technology to traditionally low-tech industries, bolstered by a corporate culture renowned for …

Concrete Sensors

Hilti Concrete Sensors allow you to monitor the jobsite curing temperature and temperature differentials within the concrete in real-time. This helps ensure proper curing and compliance with thermal control plans and potentially reducing heating costs in cold weather. Learn more about temperature monitoring.

Williams Crusher & Pulverizer Company, Inc. > Welcome

Williams has been a leader in the crushing and pulverizing industry since 1871. With over 500 patents and trademarks to its credit, Williams Patent Crusher & Pulverizer Company continues to engineer new and innovative designs for crushing machines that meet the needs of clients worldwide and provide solutions for them every day.

US4512524A

A crusher for concrete structures, having a head carried by a traveling carrier, a rotating base supported by the head concentrically therewith for rotation relative thereto, a pair of hydraulic cylinders pivotally supported at ends by the rotating base and symmetrically disposed, a pair of jaw members pivotally supported by the rotating base and symmetrically disposed, and click-stop means ...