F28F 3/14 by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by separating portions of a pair of joined sheets to form channels, e.g. by inflation
CPC: by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P)
Full Title
Full titles differ between systems:
Plate-like or laminated elements; Assemblies of plate-like or laminated elements > Elements constructed in the shape of a hollow panel, e.g. with channels > by separating portions of a pair of joined sheets to form channels, e.g. by inflation
Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F5/00) > Elements constructed in the shape of a hollow panel, e.g. with channels > by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P)
No child classifications to compare. This is a leaf node in both IPC and CPC.