CN100405039C - Multifunctonal low temp tester for rubber - Google Patents
Multifunctonal low temp tester for rubber Download PDFInfo
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- CN100405039C CN100405039C CNB2004100174531A CN200410017453A CN100405039C CN 100405039 C CN100405039 C CN 100405039C CN B2004100174531 A CNB2004100174531 A CN B2004100174531A CN 200410017453 A CN200410017453 A CN 200410017453A CN 100405039 C CN100405039 C CN 100405039C
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Abstract
The present invention relates to a multifunctional low temperature tester for rubber, which comprises a low temperature insulation can (4) with a working table top (41), wherein the upper part of the table top (41) is respectively provided with a cold resistance coefficient tester (100) and a low temperature brittleness tester (200); the lower part of the table top is provided with a low temperature chamber (42); a material feeding well (5) of the cold resistance coefficient tester and a material feeding well (6) of the low temperature brittleness tester are respectively arranged on the table top (41); the upper part of the table top is provided with a display screen (3) with a programmable controller; test pieces (10), (20) can be inserted in the material feeding wells (5), (6); the low temperature chamber comprises a miniature water pump (44) and a radiator (45) which is connected with the miniature water pump (44); temperature control and test simulation electric signals of the low temperature chamber are converted into digital signals to be read out by the display screen of the programmable controller. The present invention has the advantages that one machine with multiple functions can be achieved, the operation is convenient, the working environment and the working conditions of a test chamber are improved, the work efficiency is greatly improved, the experimentation cost is reduced, the labor intensity of the operators is mitigated, and the test precision of the test pieces is improved.
Description
Technical field
The present invention relates to a kind of rubber testing instrument, particularly relate to a kind of while can test the multi-functional rubber low-temperature test instrument of indexs such as at low temperatures cold-resistant coefficient of vulcanized rubber article, fragility, hardness.
Background technology
Vulcanized rubber article cold-resistant coefficient, fragility, hardness at low temperatures is the leading indicator of examination rubber, it also is the key project that influences rubber, for this reason, country has all stipulated detailed assay method and performance assessment criteria in three standards of GB/T1682-94 " the single SAMPLE METHOD of the mensuration of vulcanized rubber black brittleness ", GB6035-82 " mensuration of the cold-resistant coefficient of vulcanized rubber stretching ", GB/T531-1999 " the pocket sclerometer penetration hardness of rubber test method ".
Assay method according to GB6035-82 " mensuration of the cold-resistant coefficient of vulcanized rubber stretching ", existing anti-cold coefficiency measuring gauge as shown in Figure 3, it is made up of counter weight device two parts of mechanism for testing and instrument, described counter weight device comprises the left and right column 14,15 that constitutes stirrup frame, the crossbeam 12 of one band pulley 13 is set on the described frame top, hangs a balanced weight 17 by wire rope 16 on the described pulley; Described mechanism for testing comprises and is arranged on left column 14 and can be along the left column support 4 of slippage up and down, the plane is provided with the pulley 1 of a band pulley base 3 on the described support, the right-hand member of described support 4 is connected with an end of wire rope 16, hangs a signaling 11 by wire rope 2 on the described pulley 1; Described signaling bottom is provided with an indicator 111, described indicator sensing is fixed on the rule 10 below the described support 4, the test specimen 7 that described wire rope 2 other ends suspension one is fixed by upper and lower clamper 6,8, outer setting one sample stent 9 of described test specimen 7, described test specimen 7 places the cavity volume of sample stent 9, described sample stent 9 tops are fixed on the lower-left end of described support 4, described sample stent 9 belows are provided with a low temperature insulation can 19, and described signaling 11 belows are provided with a carriage 18.
By the support 4 of slippage on the mobile column, make test specimen 7 place low temperature insulation can 19 during work, reach the test effect by adding signaling 11 during test, promptly the elongation of test specimen 7 between upper and lower clamper 6,8 can be read on rule 10; Contrast the size of the same test specimen of normal temperature elongated distance under normal temperature or low-temperature condition then, calculate its cold-resistant coefficient.When low-temperature test, test specimen 7 must be immersed in adding dry ice or the cooled with liquid nitrogen industrial alcohol, to reach the temperature of low temperature.
Assay method according to GB/T1682-94 " the single SAMPLE METHOD of the mensuration of vulcanized rubber black brittleness ", the analyzer of existing vulcanized rubber black brittleness as shown in Figure 2, comprise frame 1, worktable 8 and low temperature control box 9, the telescopic cylinder 2 that fixedly installs under the described frame back timber, the lower-left side of described frame fixedly install a blow cylinder 7 that has a knocker 6, regulation according to GB GB/T1682-94, measured piece fragility is at low temperatures measured still must be at heat transfer medium ethanol or acetone, siloxane liquid etc., and cooling medium is dry ice or liquid nitrogen.Driving test specimen 5 in the clampers 4 by telescopic cylinder 2 during work inserts in the low temperature insulation can of medium industrial spirit of cooling, after reaching the temperature of desire test, telescopic cylinder 2 is mentioned, and blow cylinder 7 drives 6 pairs of test specimens of knocker and impacts, the temperature when the record test specimen damages.
More than two kinds of methods, two cover test setting operate trouble very respectively.Rely on heat transfer medium industry to spill essence again and cooling medium dry ice cools off test specimen, have inconvenience in measurement, its program is also quite numerous and diverse.Following many shortcomings are comprehensively arranged: 1. test specimen is by the cooling of heat transfer medium and cooling medium, and it is slow at room temperature to operate heat conduction, is unfavorable for rapid cooling; 2. because test specimen soaks cooling in alcohol, heat conduction is randomness, along with the heat interchange in the external world, low temperature is seldom controlled again; 3. test specimen always will be immersed in the liquid, is awkward; 4. measure the cost height, operation easier is big, operating personnel's technical ability is required high; 5. test result is inaccurate, and test error is big; 6 testing efficiencies are low.
Summary of the invention
In view of above reason, purpose of the present invention is exactly in order to overcome above-mentioned weak point of the prior art, and a kind of not only had higher testing precision and testing efficiency and lower measurement cost, but also the multi-functional rubber low-temperature test instrument that can very easily operate are provided.
The objective of the invention is by providing a kind of multi-functional rubber low-temperature test instrument to realize with following structure, it comprises left column and the right column that constitutes stirrup frame, the crossbeam of one band top sheave is set on the described frame top, and described top sheave hangs a balanced weight by last wire rope; Described left column is provided with the support of slippage up and down, and the plane is provided with the pulley of a band pulley base on the described support, the right-hand member of described support with described on an end of wire rope be connected, described pulley hangs a weights by another wire rope; Described weights bottom is provided with an indicator, described indicator sensing is fixed on the rule below the described support, the other end of described another wire rope hangs one by last, the test specimen that lower gripper is fixing, outer setting one sample stent of described test specimen, described test specimen places the cavity volume of sample stent, described sample stent below is provided with a low temperature control box, also comprise black brittleness mensuration frame, described frame top fixedly installs a telescopic cylinder, the lower-left side of described frame fixedly installs a blow cylinder that has a knocker, described telescopic cylinder lower end connects a test specimen, described low temperature control box bottom is provided with low temperature chamber, and described low temperature chamber is provided with the coupled heating radiator of micro pump; Described low temperature control box top is provided with cold-resistant factor detection device, black brittleness determinator and automatically controlled display screen; Described low temperature control box is provided with a work top, and a described cold-resistant factor detection device feedwell and described black brittleness determinator feedwell respectively are set on the described work top.
Described cold-resistant factor detection device comprises weight member, described weight member is connected with the right-hand member of slippage bracket by the wire rope on its pulley, the plane is provided with the pulley of a band pulley base on the described support, hang a weights by wire rope on the described pulley, described weights bottom is provided with a photoelectric tube displacement transducer, described sensor sensing is fixed on the displacement readings chi below the support, and the described wire rope other end hangs one and is held the fixing test specimen of device.Outer setting one feed appliance of described test specimen, described feed appliance can insert in the described feedwell.
Described black brittleness determinator comprises frame, fixedly installs a telescopic cylinder under the described frame back timber, and the lower-left side of described frame fixedly installs a blow cylinder that has a knocker, and described telescopic cylinder lower end connects the test specimen of a tape gripper.The test specimen of described tape gripper can insert in the described feedwell.
Described low temperature chamber comprises the heating radiator of micro pump and connection thereof.The temperature control of described low temperature chamber converts the digital signal screen display to the display screen that detection analog electrical signal is exported by programmable controller.Respectively install a viewport, illuminating lamp and infrared ray in the described low temperature chamber and remove the frost pipe.
The characteristics of multi-functional rubber low-temperature test instrument of the present invention are it in operating process, have saved a large amount of liquid nitrogen, the dry ice that need for the test specimen refrigeration, change with cooling air to replace.During work, open start button, micro pump work, low temperature chamber begins to freeze to design temperature, the coefficient determination work of can resisting cold, move described support and balanced weight, make test specimen enter the low temperature chamber that places the low temperature control box in company with feed appliance by feedwell, the sealing shroud that is fixed on feed appliance top seals feedwell simultaneously.Treat that test specimen is demonstrated will reach temperature the time by display screen, by the counterweight to weights, promptly determines cold-resistant coefficient value.
When carrying out black brittleness mensuration equally, make test specimen enter the low temperature chamber that places the low temperature control box by feedwell in company with feed appliance.The sealing shroud that is fixed on feed appliance top seals feedwell simultaneously.Treat test specimen by display screen demonstrate to reach temperature and predefined cooling time after, telescopic cylinder moves on rapidly test specimen is shifted out from low temperature chamber, impacts mensuration.
When desire is measured the hardness of test specimen under low-temperature condition, measured piece directly can be put into cryogenic box, when reaching institute and wanting temperature, the taking-up test specimen also directly carries out hardness measurement on sclerometer.When test specimen entered low temperature chamber, the sealing shroud that is fixed on feed appliance top sealed feedwell simultaneously.Temperature control detection analog electrical signal output in low temperature chamber, and convert numeral to screen display.
Be provided with one in the described low temperature chamber and comprise the cryogenic media container of testing cold-resistant coefficient and the cryogenic media circulation system by described micro pump transmission of measuring the cryogenic media container of black brittleness, the described cryogenic media circulation system can freely shift out low temperature chamber.
Two kinds of method of testings are arranged: release the button during work, the cryogenic box that has refrigeration pump begins refrigeration, micro pump work in the low temperature chamber simultaneously, and in low temperature chamber, carry out heat interchange, low temperature chamber begins to freeze to design temperature, the coefficient determination work of can resisting cold, move described support and balanced weight, (at this moment make test specimen enter the low temperature chamber that places the low temperature control box in company with feed appliance by feedwell tests, the cryogenic media container is shifted out low temperature chamber), promptly aerial method of testing.Or enter and place the cryogenic media container to test, be i.e. another kind of method of testing in cryogenic media.When test specimen entered low temperature chamber or enter the cryogenic media container, the sealing shroud that is fixed on feed appliance top sealed feedwell simultaneously; Treat that test specimen is demonstrated will reach temperature the time by display screen, by the counterweight to weights, promptly determines cold-resistant coefficient value.
Carry out when black brittleness is measured two kinds of method of testings being arranged also equally, even test specimen enters the low temperature chamber that places the low temperature control box in company with feed appliance by feedwell.When test specimen enters low temperature chamber (at this moment, the cryogenic media container being shifted out low temperature chamber) is aerial method of testing; Or enter and place the cryogenic media container to test, be i.e. another kind of method of testing in cryogenic media.The sealing shroud that is fixed on feed appliance top seals feedwell simultaneously.Treat test specimen by display screen demonstrate to reach temperature and predefined cooling time after, telescopic cylinder moves on rapidly test specimen is shifted out from low temperature chamber, impacts mensuration.
Above summary of the invention can be applied to the test in the plastic engineering material field equally.
Compared with prior art, the invention has the advantages that: 1. realized a tractor serves several purposes, easy to operate; 2. improved the working environment of test cabinet, especially easily waved the operating personnel of medium the good operation condition is provided for being unaccustomed to alcohol, acetone and so on etc.; 3. improved work efficiency greatly, reduced experimentation cost, alleviated the operator labour intensity, improved the measuring accuracy of test specimen.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the analyzer one-piece construction synoptic diagram of prior art vulcanized rubber black brittleness
Fig. 3 is a prior art anti-cold coefficiency measuring gauge one-piece construction synoptic diagram;
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 shows embodiment of multi-functional rubber low-temperature test instrument of the present invention.It comprises the low temperature control box 4 of a band work top 41, and the glide direction up and down at test specimen 10 in the described low temperature control box 4 is provided with a low temperature chamber 42; The top of described table top 41 is respectively arranged with cold-resistant factor detection device 100, black brittleness determinator 200, automatically controlled display screen 3; Feedstock direction at described cold-resistant factor detection device 100 and black brittleness determinator 200 on the described table top 41 respectively is provided with a feedwell 5,6.
Described cold-resistant factor detection device 1 comprises weight member 11, described weight member 11 is connected by the right-hand member of the wire rope on its pulley with slippage bracket 14, the plane is provided with the pulley 12 of a band pulley base on the described support 14, hangs a weights 13 by wire rope 15 on the described pulley 12; Described signaling bottom is provided with a photoelectric tube displacement transducer 131, described sensor 131 sensings are fixed on the displacement readings chi 132 below the support 14, described wire rope 15 other ends hang one and are held the fixing test specimen 10 of device, outer setting one feed appliance 16 of described test specimen, described test specimen places the cavity volume of feed appliance, described feed appliance top is fixed on the lower-left end of support 14, pass through to move described support 14 during work, make test specimen place described low temperature chamber 42, reach the test effect by adding signaling 13 during test, promptly test specimen is last, elongation between the lower gripper can be read on the display screen by programmable controller in photoelectric tube displacement transducer 131 and the electric signal output on the displacement readings chi 132 again.
Described black brittleness determinator 200 comprises frame 22, fixedly installs a telescopic cylinder 23, the blow cylinder that has knocker 26 27 that the lower-left side of described frame fixedly installs under the described frame back timber.The test specimen 20 that is driven in the clampers 24 by telescopic cylinder 22 during work enters in the low temperature chamber 42, reach the temperature of desire test after, telescopic cylinder 22 is mentioned, blow cylinder 27 drives 6 pairs of test specimens of knockers and impacts, the temperature when the record test specimen damages.
The low temperature environment of its test specimen carries out in described low temperature control box 4, and tested media is that industrial spirit passes through micro pump 44 injection heating radiators 45 in the described low temperature chamber; By tee pipe coupling 51 tested media is injected cryogenic media container 48 and 49 respectively then and carry out heat interchange, the temperature detection of medium is exported the analog electrical signal by the temperature sensor in the cryogenic media container 47 and by programmable controller with control, reads temperature and deflection and the cold-resistant coefficient and the brittleness temperature of the test specimen that is converted to digital signal again on the display screen by programmable controller.
By tee pipe coupling 52 tested media in cryogenic media container 48 and 49 is drawn back to the porch of micro pump 44.So carry out the cryogenic media circulation in the cryogenic media container.
The characteristics of multi-functional rubber low-temperature test instrument of the present invention are that it is in cold-resistant coefficient test operating procedure, the a large amount of liquid nitrogen that need for test specimen spare refrigeration have been saved, dry ice, change with cooling air and replace, during work, open start button, the cryogenic box 4 that has refrigeration pump begins refrigeration, micro pump in the low temperature chamber 42 44 work simultaneously, and in low temperature chamber 42, carry out heat interchange, low temperature chamber 42 begins to freeze to design temperature, the coefficient determination work of can resisting cold, move described support 14 and balanced weight, make test specimen enter the low temperature chamber 42 that places low temperature control box 4 by feedwell 5 and test (at this moment, cryogenic media container 48 being shifted out low temperature chamber 42), promptly aerial a kind of method of testing in company with feed appliance; Or enter and place cryogenic media container 48 to test, be i.e. another kind of method of testing in cryogenic media.When test specimen entered low temperature chamber 42 or enters cryogenic media container 48, the sealing shroud 30 that is fixed on feed appliance 16 tops was simultaneously with feedwell 5 sealings; Treat that test specimen is demonstrated will reach temperature the time by display screen, by the counterweight to weights 13, promptly determines cold-resistant coefficient value.
When carrying out black brittleness mensuration equally, make test specimen enter the low temperature chamber 42 that places low temperature control box 30 by feedwell 6 in company with feed appliance.Test (at this moment, cryogenic media container 49 being shifted out low temperature chamber 42) when test specimen enters low temperature chamber 42, or enter in the cryogenic media container 49 and test, be i.e. another kind of method of testing in cryogenic media.When test specimen entered low temperature chamber 42 or enters cryogenic media container 49, the sealing shroud 29 that is fixed on feed appliance top was simultaneously with feedwell 6 sealings.Treat test specimen by display screen demonstrate to reach temperature and predefined cooling time after, telescopic cylinder moves on rapidly test specimen is shifted out from low temperature chamber 42, impacts mensuration.
When desire is measured the hardness of test specimen under low-temperature condition, measured piece directly can be put into the cryogenic box chamber, when reaching institute and wanting temperature, the taking-up test specimen also directly carries out hardness measurement on sclerometer.
The advantage of multi-functional rubber low-temperature test instrument of the present invention is to be equipped with viewport and illuminating lamp in low temperature chamber, can be clear the overall process measured of observation test specimen; Infrared ray is housed in low temperature chamber removes the frost pipe, can remove frosting and ice cube in the low temperature chamber; At low temperature chamber viewport center gap place, Electric radiant Heating Film is housed, can remove the steam fog and the globule in the low temperature chamber; Temperature control in low temperature chamber detects the output of analog electrical signal, and converts numeral to screen display.
Multi-functional rubber low-temperature test instrument of the present invention is with traditional method of testing and existing low temperature control technology is molten has realized a tractor serves several purposes for the new technology of one, easy to operate; Cryogenic box is replaced traditional heat transfer medium and cooling medium, not only improved the working environment of test cabinet, especially easily wave the operating personnel of medium the good operation condition be provided for being unaccustomed to alcohol, acetone and so on etc., and improved work efficiency greatly, reduced experimentation cost, alleviated the operator labour intensity, improved the measuring accuracy of test specimen.Therefore for the intelligent platform of a field tests is provided in rubber industry and the plastic engineering material field, be with a wide range of applications.
Claims (10)
1. multi-functional rubber low-temperature test instrument, it comprises the left column (114) and right column (115) that constitutes stirrup frame, the crossbeam (112) of one band top sheave (113) is set on the described frame top, and described top sheave hangs a balanced weight (117) by last wire rope (116); Described left column is provided with the support (14) of slippage up and down, the plane is provided with the pulley (12) of a band pulley base on the described support, the right-hand member of described support is connected with an end of described wire rope (116), and described pulley (12) is gone up and hung a weights (13) by wire rope; Described weights bottom is provided with an indicator, described indicator sensing is fixed on the rule below the described support, the described wire rope other end hangs one by last, the test specimen (10) that lower gripper is fixing, outer setting one sample stent (16) of described test specimen, described test specimen places the cavity volume of sample stent, described sample stent below is provided with a low temperature control box (4), also comprise black brittleness mensuration frame (22), described frame top fixedly installs a telescopic cylinder, the lower-left side of described frame fixedly installs a blow cylinder that has a knocker, described telescopic cylinder lower end connects a test specimen, it is characterized in that: described low temperature control box (4) bottom is provided with low temperature chamber (42), and described low temperature chamber (42) is provided with the coupled heating radiator (45) of micro pump (44); Described low temperature control box (4) top is provided with cold-resistant factor detection device (100), black brittleness determinator (200) and automatically controlled display screen (3); Described low temperature control box (4) is provided with a work top (41), and a described cold-resistant factor detection device feedwell (5) and described black brittleness determinator feedwell (6) respectively are set on the described table top (41).
2. multi-functional rubber low-temperature test instrument as claimed in claim 1 is characterized in that: the top of described table top (41) is provided with the display screen (3) of band programmable controller.
3. multi-functional rubber low-temperature test instrument as claimed in claim 1, it is characterized in that: described cold-resistant factor detection device (100) comprises weight member (11), described weight member (11) is connected by the right-hand member of the wire rope on the described counterweight pulley (113) with described slippage bracket (14), described support (14) is gone up the pulley (12) that the plane is provided with a band pulley base, described pulley (12) is gone up the wire rope (15) that connects and is hung a weights (13), described weights bottom indicator is set to photoelectric tube displacement transducer (131), rule below the described support is set to displacement readings chi (132), described photoelectric tube displacement transducer (131) points to displacement readings chi (132), and described wire rope (15) other end hangs described test specimen (10).
4. multi-functional rubber low-temperature test instrument as claimed in claim 3 is characterized in that: outer setting one feed appliance (16) of described test specimen, described feed appliance (16) can insert in the described feedwell (5).
5. multi-functional rubber low-temperature test instrument as claimed in claim 1, it is characterized in that: described black brittleness determinator (200) comprises the frame (22) that is arranged on the described table top (41), fixedly install a telescopic cylinder (23) under the described frame back timber, the lower-left side of described frame fixedly installs a blow cylinder (27) that has knocker (26), and described telescopic cylinder (23) lower end connects the test specimen (20) of a tape gripper (24).
6. multi-functional rubber low-temperature test instrument as claimed in claim 5 is characterized in that: the test specimen (20) of described tape gripper (24) can insert in the described feedwell (6).
7. multi-functional rubber low-temperature test instrument as claimed in claim 1, it is characterized in that: be provided with in the described low temperature chamber (42) the cold-resistant coefficient of test cryogenic media container (48), measure the cryogenic media circulation system of the coupled heating radiator (45) of cryogenic media container (49), the described micro pump (44) of fragility, the described cryogenic media circulation system can freely shift out low temperature chamber (42).
8. multi-functional rubber low-temperature test instrument as claimed in claim 1 is characterized in that: the temperature control of described low temperature chamber (42) converts the digital signal screen display to the display screen (3) that detection analog electrical signal is exported by programmable controller.
9. multi-functional rubber low-temperature test instrument as claimed in claim 8 is characterized in that: respectively install a viewport (8), illuminating lamp (81) and infrared ray in the described low temperature chamber (42) and remove frost pipe (82).
10. multi-functional rubber low-temperature test instrument as claimed in claim 7 is characterized in that: a temperature sensor (47) is set in the described cold-resistant coefficient test for low temperature media Containers (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100174531A CN100405039C (en) | 2004-04-05 | 2004-04-05 | Multifunctonal low temp tester for rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100174531A CN100405039C (en) | 2004-04-05 | 2004-04-05 | Multifunctonal low temp tester for rubber |
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| CN1563938A CN1563938A (en) | 2005-01-12 |
| CN100405039C true CN100405039C (en) | 2008-07-23 |
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| CNB2004100174531A Expired - Fee Related CN100405039C (en) | 2004-04-05 | 2004-04-05 | Multifunctonal low temp tester for rubber |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954516B (en) * | 2014-05-18 | 2016-06-08 | 吉林大学 | The hardness of ice and determiner for compression strength under low temperature environment |
| CN106124347A (en) * | 2016-07-13 | 2016-11-16 | 安徽奥丰汽车配件有限公司 | A kind of automobile rubber parts fragility test technology |
| CN106290015A (en) * | 2016-08-18 | 2017-01-04 | 苏州交通工程试验检测中心有限公司 | A kind of low-temperature brittleness test instrument |
| CN108593461B (en) * | 2018-05-29 | 2022-11-01 | 青岛科技大学 | Rubber performance test method |
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| JPS5786740A (en) * | 1980-11-19 | 1982-05-29 | Hoxan Corp | Tester for tension under low temperature |
| JPS58109832A (en) * | 1981-12-23 | 1983-06-30 | Hoxan Corp | Tensile testing device at low temperature |
| JPS5999331A (en) * | 1982-11-30 | 1984-06-08 | Shimadzu Corp | Low temperature material testing device |
| US5105626A (en) * | 1991-01-22 | 1992-04-21 | Universities Research Association, Inc. | Apparatus for measuring tensile and compressive properties of solid materials at cryogenic temperatures |
| CN1073766A (en) * | 1991-12-25 | 1993-06-30 | 北京理工大学 | Real-time viscoelastic Poisson's ratio non-contact measuring instrument |
| US5277069A (en) * | 1991-04-22 | 1994-01-11 | Aerospatiale Societe Nationale Industrielle | Device for testing test pieces bending in an ambient cryogenic environment |
| DE10063262A1 (en) * | 2000-12-19 | 2002-07-04 | Man Technologie Gmbh | Arrangement for measuring property of sample at prescribed low temperature has cooling device containing impinging unit arranged at distance from sample removal region |
| CN2575654Y (en) * | 2002-10-31 | 2003-09-24 | 北京有色金属研究总院 | Double-air chamber & double-measuring range Co2 infrared analyzer |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB603630A (en) * | 1944-12-30 | 1948-06-18 | Firestone Tire & Rubber Co | Improvements in or relating to testing apparatus |
| GB1260022A (en) * | 1968-11-04 | 1972-01-12 | Bridgestone Liquefied Gas Co | A method of testing a membrane tank |
| JPS5786740A (en) * | 1980-11-19 | 1982-05-29 | Hoxan Corp | Tester for tension under low temperature |
| JPS58109832A (en) * | 1981-12-23 | 1983-06-30 | Hoxan Corp | Tensile testing device at low temperature |
| JPS5999331A (en) * | 1982-11-30 | 1984-06-08 | Shimadzu Corp | Low temperature material testing device |
| US5105626A (en) * | 1991-01-22 | 1992-04-21 | Universities Research Association, Inc. | Apparatus for measuring tensile and compressive properties of solid materials at cryogenic temperatures |
| US5277069A (en) * | 1991-04-22 | 1994-01-11 | Aerospatiale Societe Nationale Industrielle | Device for testing test pieces bending in an ambient cryogenic environment |
| CN1073766A (en) * | 1991-12-25 | 1993-06-30 | 北京理工大学 | Real-time viscoelastic Poisson's ratio non-contact measuring instrument |
| DE10063262A1 (en) * | 2000-12-19 | 2002-07-04 | Man Technologie Gmbh | Arrangement for measuring property of sample at prescribed low temperature has cooling device containing impinging unit arranged at distance from sample removal region |
| CN2575654Y (en) * | 2002-10-31 | 2003-09-24 | 北京有色金属研究总院 | Double-air chamber & double-measuring range Co2 infrared analyzer |
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| CN1563938A (en) | 2005-01-12 |
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Assignee: Zhejiang Sanmen County Shitai Industrial Co.,Ltd. Assignor: Chen Caiduo Contract record no.: 2010330001941 Denomination of invention: Multifunctonal low temp tester for rubber Granted publication date: 20080723 License type: Exclusive License Open date: 20050112 Record date: 20100926 |
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