<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31422229</termId><termName>tear testers</termName><termType>PT</termType><termNote><![CDATA[ Devices, comprising a fixed jaw, moveable jaw, pointer, and pendulum, designed to measure the degree to which lightweight fabrics and resin-finished cloth can both withstand the effects of tearing and resist further propagation of a tear after it has been initiated. To measure a fabric's tearing strength, a small rectangular fabric sample is placed between the device's fixed and moveable jaws where it is torn rapidly by the motion of a falling pendulum. The energy loss during tearing is then assessed. ]]></termNote><termCreatedDate>2026-03-30 20:53:44</termCreatedDate><relation><relationType>UF</relationType><termId>31422230</termId><termName>Elmendorf tear tester</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31422231</termId><termName>tear tester</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31421990</termId><termName>fabric testers</termName><termType>PT</termType></relation></term>  </Zthes>