Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Shield or barrier between radiation or heat source and...
Patent
1996-03-21
1998-06-23
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Shield or barrier between radiation or heat source and...
376302, 403260, 411916, G21C 1510
Patent
active
057712662
ABSTRACT:
The device (15) for joining together a first plate (7) and a second plate (8)of the baffle assembly, which are located substantially at right angles, includes a screw (16) engaged in a housing consisting of an opening (18) passing through the first plate (7), and of a tapped blind opening (20) in the second plate (8). At least one opening (21) places an annular space (18b) around the shank (16b) of the screw in communication with the entry part (18a) of the opening (18) passing through the first plate (7), in order to deconfine the screw (16). The opening (21) may be a radial opening passing through a cup (17) against which the screw head (16a) comes to bear or an opening machined in the first plate (7) against a shoulder (18c) of the screw housing and the part (18b) of the opening for passing through the first plate (7) in which the shank (16b) of the screw (16) is engaged.
REFERENCES:
patent: 922961 (1909-03-01), Schimpff
patent: 2320398 (1943-06-01), Zetterquist et al.
patent: 2331880 (1943-10-01), Zetterquist et al.
patent: 3357890 (1967-12-01), Friis et al.
patent: 4069102 (1978-01-01), Berringer et al.
Framatome
Wasil Daniel D.
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