Aseptic pipe joint

Details Aseptic pipe joint Aseptic pipe joint

1987-10-14

1989-04-04

Arola, Dave W.

Pipe joints or couplings

With indicator, alarm or inspection means

285 14, 285349, 285351, 285354, 285365, 285901, 285917, 285923, 285286, 277235R, 138 89, F16L 3500

Patent

active

048179949

ABSTRACT:
An aseptic pipe joint for food processing pipe fittings of the type including a pair of frustoconical ferrules having radially extending surfaces, a "C" shaped metallic ring positioned between the surfaces in abutting relation therewith, a resilient O-ring filling the "C" shaped ring to form an aseptic seal, a resilient seal ring positioned between the ferrule surfaces and spaced radially outwardly from the "C" shaped ring forming a hermetic zone between the seals and a passage in one of the ferrules connected to the hermetic zone for testing the aseptic seal.

REFERENCES:
patent: 2761707 (1956-09-01), Herman
patent: 3285631 (1966-11-01), Stolpmann
patent: 3687494 (1972-08-01), Graff
patent: 3794361 (1974-02-01), Westberg
patent: 3797836 (1974-03-01), Halling
patent: 4261584 (1981-04-01), Browne et al.
patent: 4407533 (1983-10-01), Giebeler

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