Published September 13, 1991 | Version v1
Patent Metadata-only

Process and apparatus for forming a circular lip around an opening

Creators

Description

Circular lip around an opening is made by machining a spot facing, then pushing back the edge using rollers. Rollers are held by a support that displaces them along its axis. The angle that the roller's axis makes with the support's axis is progressively reduced as the support advances

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Additional details

Additional titles

Original title (French)
Procede et installation de formage d'une levre circulaire autour d'une ouverture

Publishing Information

Imprint Pagination
13 p.
IPC:
Int. Cl. G21c21/00; G21c13/032.
IPC
Int. Cl. G21c21/00; G21c13/032.
Patent number
FR patent document 2659481/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
24002504
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
BWR TYPE REACTORS; CIRCULAR CONFIGURATION; OPENINGS; PRIMARY COOLANT CIRCUITS; PWR TYPE REACTORS; REACTOR VESSELS; ROLLING
Descriptors DEC
CONFIGURATION; CONTAINERS; COOLING SYSTEMS; ENRICHED URANIUM REACTORS; FABRICATION; MATERIALS WORKING; POWER REACTORS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS

Optional Information

Secondary number(s)
FR patent application 9002817.