A device for nondestructive viscoelastic characterization of materials, comprising: a tubular shell, having inside a through-recess provided with at least a first and a second shrinkage; a first rod, provided with a base of ferromagnetic material (8), sliding inside said shell between a first position, in which said ferrule does not project to the lower base of said shell, and a second position, in which said ferrule projects to said lower base; a first spring configured to push said ferrule outwards; a displacement sensor configured to read the displacement of said first rod; a button, sliding between a stroke greater than the one of said first rod, and integral to a second rod provided with a magnet and coaxial to said first rod; a second spring.

A water-containing substance detection device that detects a water-containing rubbery polymer, includes a conveyor configured to convey rubbery polymers; and a detector configured to detect the water-containing rubbery polymer among the rubbery polymers, conveyed by the conveyor, by a temperature sensor. The conveyor has a surface with an emissivity of 0.50 or more. The temperature sensor has a frame rate falling within a range of 5 Hz to 120 Hz. The detector detects the water-containing rubbery polymer, near an ejection port of the conveyor, and on a downstream side of the ejection port.

A transmission structure of an ozone testing machine has: a transmission frame, a rotation unit, a connecting unit, and a lifting unit. The transmission structure is connected to the lifting shaft and the lifting device via the connecting unit, the bottom of the sleeve of the connecting unit is provided with threaded member screwed to the threaded rod of the lifting device, and the sleeve is fixed onto the sliding member to achieve the linear displacement along the guiding track. During the clockwise and reverse rotations of the servo motor of the lifting device, the lifting shaft can achieve the synchronous operation of the rotation and lifting due to the limited connection with the connecting unit, thereby greatly improving the smoothness of the test process, while maintaining the static and dynamic tests.

Provided is a method for estimating abrasion resistance and fracture resistance by highly accurately analyzing aggregation (dispersion) of sulfur-based materials in polymer composite materials. The present invention relates to a method for estimating abrasion resistance and fracture resistance, the method including: irradiating a polymer composite material containing at least one sulfur-based material selected from the group consisting of sulfur and sulfur compounds with high intensity X-rays; measuring X-ray absorption of a measurement region of the polymer composite material while varying the energy of the X-rays; calculating areas of spots having a high sulfur concentration equal to or greater than a predetermined level in a two-dimensional mapping image of sulfur concentration of the measurement region; and estimating abrasion resistance and fracture resistance based on the areas.

A system for measuring rolling resistance of a substrate may include a transparent support member including a contact surface, a rolling member including a cylindrical convex surface with the substrate attached on the cylindrical convex surface, the cylindrical convex surface placed on the contact surface, an oscillation mechanism coupled with the rolling member configured to drive an oscillatory rotational movement of the rolling member about a longitudinal axis of the rolling member. The oscillation mechanism may include two parallel arms attached at their respective midpoints to either base ends of the rolling member on a pivot axis overlapping the longitudinal axis of the rolling member, the two parallel arms attached to one another at respective ends of the two parallel arms by two links, and two adjustable weights, each of the two adjustable weights mounted on a respective link of the two links. The exemplary system may further include a light source arranged at one side of the transparent body such that light emitted from the light source reflected within the transparent support member, and an image capturing device placed below the contact surface configured to capture images of contact patch of the substrate through the transparent support member.

For a vulcanized tire, after executing a third inspection step of inspecting an internal defect, a first inspection step of inspecting uniformity and a second inspection step of inspecting dynamic balance are executed. For the tire of which an internal defect is detected in the third inspection step, the first inspection step and the second inspection step are not executed and the inspection is over.

According to the present technology, an impact test in which an impact application member is made to free fall onto a test sample of a plurality of types of rubbers having different physical properties is performed under prescribed test conditions; data for at least one of three items including a loss energy that is absorbed by the test sample when the impact application member collides with the test sample, a thermal energy that is generated at the test sample, and an indentation amount into the test sample by the impact application member is acquired; and an optimal test sample is selected from the respective test samples on a basis of a ranking of the superiority of the respective test samples with respect to the item(s) for which data was acquired.

The invention pertains to a method of making cured parts from a composition comprising certain fluoroelastomers and certain bromine-containing compounds under conditions suitable for delivering cured parts possessing outstanding mechanical and sealing properties and incorporating suitable amounts of bromine-containing compounds, so that these cured parts, when submitted to wear/damage would release Br-containing compounds, which can easily detected using appropriate analytical techniques, so as to monitor and anticipate critical failures thereof.

A tread detecting device and a trend detecting module are provided. The tread detecting device is disposed at a first predetermined thickness of a tire. The tread detecting device includes a control module providing a voltage or a current, and a tread detection module including a first tread detecting layer. The first tread detecting layer is disposed at the first predetermined thickness of the tire. The control module is electrically connected to the tread detecting module. The control module detects a variation of an impedance value of the tread detecting module to determine whether the thickness of the tread of the tire is less than or equal to the first predetermined thickness.

Provided is a curable resin composition which can be cured to form a material (cured product) that has low tack properties and resists adhesion of garbage. The present invention provides a curable resin composition comprising polysiloxane (A) having not less than 2 alkenyl groups in the molecule and polysiloxane (B) having not less than 2 hydrosilyl groups in the molecule, wherein (T+Q)/D>0.3 and M+D+T+Q=1 are satisfied regarding all silicon atoms contained therein, the amount of the hydrosilyl groups with respect to 1 mol of aliphatic carbon-carbon double bonds present therein is 0.9 to 5.0 mol, and a cured product of the curable resin composition exhibits a separation strength of not more than 0.40 N per mm.sup.2 in separation load evaluation and/or a total separation load of not more than 0.018 N.Math.mm per mm.sup.2.