PRESSES IN GENERAL (producing ultra-high pressure or ultra-high pressure and high temperature to effect modifications of a substance, e.g. for making artificial diamonds B 01 J 3/00) [2]
Note
This subclass covers:
-
presses in general;
-
those presses, for particular purposes, which are not provided for elsewhere.
1
/
00
Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
1
/
02
•
by lever mechanism (by toggle mechanism B 30 B 1/10)
1
/
04
•
•
operated by hand or foot
1
/
06
•
•
operated by cams, eccentrics, or cranks
1
/
08
•
•
operated by fluid-pressure means
1
/
10
•
by toggle mechanism
1
/
12
•
•
operated by hand or foot
1
/
14
•
•
operated by cams, eccentrics, or cranks
1
/
16
•
•
operated by fluid-pressure means
1
/
18
•
by screw means
1
/
20
•
•
driven by hand
1
/
22
•
•
driven through friction disc means
1
/
23
•
•
operated by fluid-pressure means [2]
1
/
24
•
by rack-and-pinion means
1
/
26
•
by cams, eccentrics, or cranks
1
/
28
•
•
the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
1
/
30
•
by the pull of chains or ropes
1
/
32
•
by plungers under fluid pressure
1
/
34
•
•
involving a plurality of plungers acting on the platen (gas operated B 30 B 1/38
)
1
/
36
•
•
having telescoping plungers (gas operated B 30 B 1/38)
1
/
38
•
•
wherein the plungers are operated by pressure of a gas, e.g. steam, air
1
/
40
•
by wedge means
1
/
42
•
by magnetic means, e.g. electromagnetic [2]
3
/
00
Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
3
/
02
•
co-operating with a fixed member
3
/
04
•
co-operating with one another, e.g. with co-operating cones
3
/
06
•
•
arranged one within another, e.g. with a roller disposed within a rotating ring and co-operating with the inner surface thereof
