Abstract: This invention provides stretch-resistant liners for lining pipes, pipes lined with stretch-resistant liners, and methods for lining pipes with stretch-resistant liners. The liners are made from a layer of stretch-resistant woven material, which may be a scrim, sandwiched between two layers of non-woven resin-impregnated material to form a laminate structure which is rolled into a tube to provide a liner having concentric sleeves.

Abstract: This invention provides stretch-resistant liners for lining pipes, pipes lined with stretch-resistant liners, and methods for lining pipes with stretch-resistant liners. The liners are made from a layer of stretch-resistant woven material, which may be a scrim, sandwiched between two layers of non-woven resin-impregnated material to form a laminate structure which is rolled into a tube to provide a liner having concentric sleeves.

Abstract: An inspection tool for verifying the relative planarity of a flat surface or for verifying whether a first planar surface is parallel to a second planar surface is described. The tool includes a dial indicator on the end of a flexible support arm which is rotatably mounted on a base with a planar bottom surface. The flexible support arm permits the dial indicator to be positioned in contact with the planar bottom surface of the base and the axis of rotation is adjustable with respect to the planar bottom surface which allows the device to be self-calibrating. One application of the device is verifying whether the ring carrier or probe card of a wafer prober is parallel with the wafer probe chuck. The planar bottom surface of the base is placed on the wafer probe chuck and the support arm is rotated with the dial indicator in contact with the ring carrier or the probe card. Any deviation in the dial indicator reading indicates that the surfaces are not parallel.