Seal for Situ Replacement on a Rotatable Shaft.
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
A liquid seal for encircling a rotatable shaft and defining improved sealing contact with the surface thereof. The seal is formed from a continuous length of material in the shape of a resilient closed wound helical coil having an open core. For assembling the seal on a shaft, one end of the coiled strip material is temporarily spread from the other turns and progressively threaded astride the shaft until the coil completely encircles the shaft. Thereafter, the resilient seal is allowed to assume its normal closed helical formation with lips on its inner surface facing the helix core for sealing contact with the shaft. Author
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