Full text of the ring and ball method of test for softening point of bituminous materials, resins, and similar substances see other formats rp 142 the ring and ball method of test for softening point of bituminous materials, resins, and similar substances by percy h. Plastic or wooden handle provides excellent thermal insulation andkeeps hands cool. For demonstrating the expansion or contraction of metals. Unit consists of steel balls and brass rings as per is specified dimensions, ball guide for ball centering, support for the ring 2 no, all mounted in a beaker which is provided with magnetic stirrer and a immersion heater to heat the liquid inside. Ringandball test article about ringandball test by. When the ball is heated over a flame, it expands and no longer fits in the ring. The automatic ringandball softening point tester rka 5 checks the flow.
Light a bunsen burner and have it ready to heat an object or the material surrounding a hole or cavity. D36 d36m14e1 standard test method for softening point of bitumen ring andball apparatus ring and ball apparatus bitumen. From our beginnings in 1927, carolina biological supply company has grown to become a leading supplier of science teaching materials for. Test method to determine the softening point of bitumen based on astmd36. Via salvo dacquisto, 2 20060 liscate, milan mi italy tel. The game is played by players on opposing teams standing behind their respective. There are 648 suppliers who sells ring ball apparatus on, mainly located in asia. The diameter of the ball is slightly smaller than the inside diameter of the ring.
Both descriptions arise from faradays law or lenzs law, depending on how you look at it, where the time rate of change of the magnetic flux can create a current within a conducting material. A test for determining the melting point of asphalt, waxes, and paraffins in which a small ring is fitted with a test sample upon which a small ball is then placed. Ring and ball apparatus, ring and ball softening point. A useful apparatus for demonstrating thermal expansion. Two laser sensors detect the balls fall determining the softening point. Us2545465a us716899a us71689946a us2545465a us 2545465 a us2545465 a us 2545465a us 716899 a us716899 a us 716899a us 71689946 a us71689946 a us 71689946a us 2545465 a us2545465 a us 2545465a authority us united states prior art keywords mirrors housing cameras stereoscopic slides prior art date 19461218 legal status the legal status is an assumption and is. Ask the students how the ball could be made to fit through the ring. Standard test method for softening point of bitumen ring. Hold the ball and ring up to the class and show them that the ball does not pass through the ring.
Aashto t53 utest utb0240 automatic ring and ballsoftening point tester is an innovative microprocessor controlled automatic testing device which is used for determining the softening point of bituminous materials using water or. The ball and ring apparatus is used to demonstrate the thermal expansion of metals. When the ball and ring are at the same temperature, the ball passes freely through the ring the ball will not pass through the ring when heated. When cooled, however, the ball will pass through the ring freely.
Standard test methods for softening point of hydrocarbon. Softening point of bitumen ringandball apparatus1 this standard is issued under the. Exp4 to find the thickness of a thin sheet of paper air wedge experiment. Semiautomatic digital bitumen penetrometer penetration. Brass ring device filled with molten bitumen and bitumen wait until cool. Ringball test for softening point of bitumen, asphalt and. A ring and ball apparatus is used for demonstrating thermal expansion of metal. Walker abstract the softening point of materials which, like asphalt, have no definite melting point, but which when heated. You have clicked a page that seems to be very popular. Ball guides to guide the movement of steel balls centrally.
Softening point apparatus conforms to astm d36 and related specifications consists of 800ml beaker, 2 standard balls, shouldered rings, ball centring guides, ring. This is a gas chromatographic gc method applicable to the determination of the parameters listed above in. A number in parentheses indicates the year of last reapproval. Brass rings 2 no, the rings shall be tampered and shall confirm to the following depth. The ball and ring set is precision made so scratching. Highlights twopiece tinplate pourable container for a variety of products, including. Automatic ring and ball apparatus with touch screen display. Ring and ball softening point apparatus testing equipment bitumen. The double unit version includes 800ml beaker with brass, double setup fixture with cover and thermometer port with stopper, 2 shouldered rings, 2 ball centering guides and 2. When either the ball or ring is heated, the ball will not pass through the ring. Ring and ball apparatus, including ring holder assembly, two brass rings, two brass ball centering guides, two steel balls, pouring plate, glass vessel and glass thermometer. A library of the relevant papers will be compiled in. Newtons ring apparatus and refractive index physics forums. Used as a field test to determine the readiness of the clsm to accept loads prior to adding a wearing surface.
Bitval analysis of available data for validation of bitumen. A temperature measuring device combining sensor and reading unit. Test and measuring equipments digital ductility test. B072 ring and ball softening point apparatus matest.
A wide variety of ring ball apparatus options are available to you, such as electronic. Includes a brass ball and a brass ring each mounted on a handle. An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to mounted brass ring by chain. Pass the ball through the ring at room temperature and observe that it easily slips through. The ball and ring are mounted with wooden handles to protect hands from the heat, making it a perfect handson experience for students. Sn fixed basket ball ring made in good qulaity of material power coated basket ball ring.
The test is conducted by using ring and ball apparatus. The brass ball is sized to fit the brass ring accurately so that if the ball is far hotter than the ring or the ring is far cooler than the ball, the ball will not pass through the ring. As you place the ball into the heat source, the rod can become very hot. Ball and ring apparatus demonstrates thermal expansion. In this basket ball ring we have fixed, single spring, double spring, three spring basket ball ring. Ring and ball method apparatus for softening point determinations for use with asphalts, pitches, tars and most resins. Comprising a captive brass ball secured to a mounted brass ring by a chain. Us6237918b1 ring and ball tossing game apparatus and. Try to pass the ball through the ring and observe what happens. Jring apparatus, concrete testing equipment, controls. Softening point of bitumen ringandball apparatus 1.
Ring and ball apparatus physics equipment the ring and ball apparatus is physics lab equipment used to teach heat, temperature and thermodynamics. Seat assembly is provided with outer oring to avoid leakage through the seat carrier and a graphite back up ring which ensure the tighness in case the oring is damaged. The game apparatus includes a ringshaped element called a root, at least two stakes, and a ball. Lp16 softening point ring and ball apparatus determines the softening point of asphalt, coal tar pitch and other viscoelastic bitumens in the range of 30157c 86315f. Used to test the suitability of load applications on controlled lowstrength material clsm. Steel balls are placed on top of bitumen specimen disks in test rings in a bath. B070n1 automatic digital ring and ball apparatus matest. The ball fits easily through the ring at room temperature. Softening point ring and ball apparatus tinius olsen to2561en02. Glycerol esters of rosins ring and ball softening point. We found alternative products that can save you up to per itemunit. Walker abstract the softening point of materials which, like asphalt, have no definite melting point, but. A ring and ball tossing game apparatus is provided for use in playing a ring and ball tossing game according to a method of play.
The utb0120 semiautomatic digital bitumen penetrometer is used to determine the penetration of bituminous samples under constant load, time and temperature. Automatic ring and ball apparatus softening point ring. Automatic ring and ball apparatus temperature rise factory verification test starting display file manager display main menu display glass beaker with test rings and ball support. The bath temperature is measured by means of an electronic system, in accordance to the en 1427 standard. Automatic ring and ball apparatus with touch screen. Newtons rings apparatus indosaw industrial products pvt. When both the ring and the ball are at room temperature, the ball passes easily through the ring. The root has a shape which permit easier rolling of the ball into the root. Ball passes through the ring when cold but will not pass through after being heated. Consists of two brass rods with wooden handles, one is fitted with a ring and the other with a ball of approximate diameter 25millimeters, attached at the end. Exp2 to determine the refractive index of a liquid by using newtons rings apparatus. The temperature of the bitumen dipped into a liquid solution of water or glycerine is automatically measured by means.
The ring and ball method of test for softening point of. Without forcing it, slide the ball through the rings opening. Softening point is the temperature at which tar in soft loop and pass the ball through the hoop. Physics notes form 1 to 4 physics form 4, 3, 2, 1 notes. Portions are similar in technical content to the automatedapparatus versions of. The apparatus consists of a stainless steel crown with 16 bars 18 mm dia. Perform the experiment by heating the ring and show that the ball does indeed pass through. The penetrometer consists of a cast iron base with coarse and fine levelling screws, a digital penetration measurement gauge with 0. There is a basic and incorrect description of the ring launcher and a much more involved explanation. This high technology digital microprocessor tester, designed and manufactured by matest, automatically determines the softening point of asphalts and pitches. Astm d36 d36m 14e1 standard test method for softening point.
Used for determining the passing ability measured by the blocking step, the flow spread and t 500 flow time of the self compacting concrete as the concrete flows through the jring. The automatic ring and ball apparatus has been designed to determine the softening point of asphalts and pitches. Heat the ball using a bunsen burner for one minute. Recommended problem, partly to present further examples or to extend theory. Hold the ring unit by the handle, in one hand, and hold the ball unit by the handle in the other hand.
Standard test method for softening point of bitumen ringandball apparatus1 this standard is issued under the. Ball and ring apparatus, metal ball and ring westlab. Brass ball passes freely through ring at room temperature but when the ball is heated in a flame, it no longer passes through the ring. Perform the classic demonstration thermal expansion of metal with this ball and ring apparatus. Exp3 to find the radius of curvature of planoconvex lens using newtons rings experiment, given.
Certain additives or blend of additives called as bitumen modifiers can improve. The unit simultaneously tests two samples for optimal compliance with standard test procedures. T his equipment is used to determine the temperature at which a sample of bituminous material loaded by a 9. Each section is followed by a series of problems, partly to check understanding marked with the letter \r. Hello, im a bit stumped on a problem and wondered if anyone knew how to approach this problem. When the ring and ball both are at same temperature the ball easily passes through the ring. Alibaba manufacturer directory suppliers, manufacturers. Ball drop apparatus kelly ball supports the following standards.
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