DIFF Subgroup
F02K 9/10 Shape or structure of solid propellant charges
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using solid propellants > Shape or structure of solid propellant charges
CPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70) > Shape or structure of solid propellant charges
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- F02K 9/12 made of two or more portions burning at different rates since 1980 IPC+CPC Available in IPC and CPC
- F02K 9/14 made from sheet-like materials, e.g. of carpet-roll type, of layered structure since 1980 IPC+CPC Available in IPC and CPC
- F02K 9/18 of the internal-burning type having a star or like shaped internal cavity since 1980 IPC+CPC Available in IPC and CPC