Device for connecting and blocking hollow elements for the...

Details Device for connecting and blocking hollow elements for the... Device for connecting and blocking hollow elements for the...

2002-06-27

2010-06-08

Dunwoody, Aaron M (Department: 3679)

Pipe joints or couplings

Packed

Sleeve

C285S124500

Reexamination Certificate

active

07731247

ABSTRACT:
The invention relates to a device for connecting and blocking hollow elements used as piping for fluids, both gaseous and liquids, The hollow elements (11,13) are connectable by plugs or anchoring plates (19) and connecting plate (21), engaging at least one wall of adjacent elements and fixed by anchoring screws (22). At least the connecting plate (21) is provided with protrusions or contact grips (24) designed to physically penetrate into the surface of the elements to be connected when the connecting plate is anchored to the anchoring plate by the screws.

REFERENCES:
patent: 4082324 (1978-04-01), Obrecht
patent: 4352532 (1982-10-01), Hardin
patent: 4535821 (1985-08-01), Anderson
patent: 5628599 (1997-05-01), Eakin
patent: 5769460 (1998-06-01), Imai
patent: 5938245 (1999-08-01), Guzzoni
patent: 6039358 (2000-03-01), Stoll et al.
patent: 6179349 (2001-01-01), Guzzoni
patent: 869 746 (1978-12-01), None
patent: 2 246 609 (1992-02-01), None

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