作者: Harley E. Kelchner , Douglas McCluskey
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摘要: In the repair of damaged shatterproof glass by introduction a polymerizable liquid into conical crack vacuum is intermittently released and reapplied to area means chamber connected pump through line having an opening atmosphere which adapted be rapidly opened closed operator's finger. The threaded receive removable needle valve for accurate control. has transparent end wall viewing work translucent cylindrical side allowing external light illuminate without glare. A flexible seal in allows probe operated while applied. plunger-sleeve combination, extending used apply pressure releasing vacuum.