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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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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 B01J 3/00 )
{
( compressing means for refuse receptacles B65F 1/1405 )
}
NOTE
-
This subclass provides for presses in general and also for those presses, for particular purposes, which are not provided for elsewhere.

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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
.
{
by explosive charges
}
.
{
by internal combustion mechanism
}
.
{
by an elastic bag or diaphragm expanded by fluid pressure
}
.
{
by thermal expansion or evaporation
}
.
{
by a scissor or lazy-tongs mechanism
}
.
{
using a fluid connection between the drive means and the press ram
}
.
{
by a rod swinging between a fixed plane and the ram
}
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.
by lever mechanism( by toggle mechanism B30B 1/10 )
. .
operated by hand or foot
. .
operated by cams, eccentrics, or cranks
. .
operated by fluid-pressure means
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.
by toggle mechanism
. .
{
operated by screw means
}
. .
{
operated by another toggle mechanism
}
. .
operated by hand or foot
. .
operated by cams, eccentrics, or cranks
. .
operated by fluid-pressure means
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.
by screw means
{
( B30B 9/3064 takes precedence )
}
. .
{
the screw being directly driven by an electric motor
}
. .
{
Braking mechanisms for the return movement of the press ram
}
. .
{
driven through friction roller means
}
. .
{
Control arrangements
}
. .
{
driven by a continuously rotatable flywheel with a coupling arranged between the flywheel and the screw
}
. .
driven by hand
. .
driven through friction disc means
. .
operated by fluid-pressure means
.
by rack-and-pinion means
{
( B30B9/30G3 takes precedence )
}
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.
by cams, eccentrics, or cranks
. .
{
by cams
}
. .
{
work stroke adjustment means
}
. .
{
using a fluid connecting unit between drive shaft and press ram
}
. .
{
Drive systems for the cam, eccentric or crank axis
}
. .
{
using a toggle connection between driveshaft and press ram
}
. .
the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
.
by the pull of chains or ropes
{
( B30B 9/3071 takes precedence )
}
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.
by plungers under fluid pressure
. .
{
using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means
}
. .
{
operated by hand or foot, e.g. using hydraulic jacks
}
. .
involving a plurality of plungers acting on the platen( gas operated B30B 1/38 )
. .
having telescoping plungers( gas operated B30B 1/38 )
. .
wherein the plungers are operated by pressure of a gas, e.g. steam, air
.
by wedge means
.
by magnetic means, e.g. electro-magnetic
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Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
.
{
Roll constructions
}
.
co-operating with a fixed member
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.
co-operating with one another, e.g. with co-operating cones
. .
{
with co-operating cones
}
. .
arranged one within another, e.g. with a roller disposed within a rotating ring and co-operating with the inner surface thereof
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Presses characterised by the use of pressing means other than those mentioned in the preceding groups
.
wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure
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.
wherein the pressing means is in the form of an endless band
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. .
co-operating with another endless band
. . .
{
urged by directly-acting fluid pressure
}
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. . .
{
using anti-friction means for the pressing band
}
. . . .
{
using anti-friction roller means
}
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Presses characterised by a particular arrangement of the pressing members
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.
having several platens arranged one above the other
. .
{
Feeding or discharging means
}
. .
{
Spacer elements; Changing means therefor
}
.
wherein pressing is effected in different directions simultaneously or in turn
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Presses specially adapted for particular purposes
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for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material( kitchen equipment A47J; filtering, e.g. straining solids from liquids, using presses in combination with filtering elements B01D; expelling water from textile fabrics or laundry D06C, D06F; drying F26 )
{
clothes presses D06F 69/00 , D06F 71/00
}
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. .
using press rams
. . .
{
co-operating with casings mounted on a movable carrier, e.g. turntable
}
. . .
{
co-operating with several adjacent casings
}
. . .
{
Control arrangements
}
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. . .
co-operating with permeable casings or strainers
. . . .
{
Extrusion presses
}
. . . .
{
for making briquettes, e.g. from paper
}
. . . .
{
with a retractable abutment member closing one end of the press chamber
}
. . .
co-operating with a rotary casing
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. . .
without use of a casing
. . . .
{
using a press ram co-operating with an intermittently moved endless conveyer
}
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. .
using pressing worms or screws co-operating with a permeable casing
. . .
{
Screw constructions
}
. . .
{
Means preventing the material from turning with the screw or returning towards the feed hopper
}
. . .
{
using a rotatable and axially movable screw
}
. . .
{
Control arrangements
}
. . .
{
Feed means
}
. . .
{
Vertical or inclined screw presses
}
. . .
operating with only one screw or worm
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. . .
operating with two or more screws or worms
. . . .
{
working in different chambers
}
. . . .
{
the screws being coaxially disposed in the same chamber
}
. . .
with means for adjusting the outlet for the solid
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. .
using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
. . .
{
with co-operating cones
}
. . .
{
using a roller with radially arranged vanes dividing the pressing space in separate chambers
}
. . .
{
Roller-and-ring presses
}
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. .
using a flexible member, e.g. diaphragm,urged by fluid pressure
. . .
{
the diaphragm being tubular
}
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. .
using an endless pressing band
. . .
{
co-operating with a drum or roller
}
. . .
{
comprising compartments which are recurrently constricted and expanded
}
. . .
{
The squeezing-out being performed in several stages
}
. . .
{
the edges of the band being folded over the material
}
. . .
{
The material being conveyed around a drum between pressing bands
}
. . .
{
Pressing band constructions
}
. . .
{
Means for sealing the press zone
}
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. .
Permeable casings or strainers
. . .
{
means disposed in the casing facilitating the squeezing-out of liquid
}
. . .
{
Press cloths
}
. . .
{
Strainer bars; Spacers
}
.
for forming shaped articles( from material in powder, granular, or paste form, e.g. briquetting presses B30B 11/00 )
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.
for baling ; Compression boxes therefor( baling hay, straw, or the like A01F )
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. .
{
Details
}
. . .
{
Control arrangements
}
. . .
{
Feed means
}
. . .
{
Ejection means
}
. . .
{
Odor eliminating means
}
. . .
{
Press rams
}
. . .
{
Extrusion chambers with adjustable outlet opening
}
. . .
{
Retaining dogs
}
. . .
{
Press boxes
}
. . .
{
Means for conditioning the material to be pressed, e.g. paper shredding means
}
. . .
{
Fluid removing means
}
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. .
{
Containers provided with, or connectable to, compacter means
}
. . .
{
Containers with built-in compactor means
}
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. .
{
Drive arrangements for the press ram
}
. . .
{
Hand- or foot-operated presses
}
. .
{
Fluid-driven presses
}
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. .
{
Mechanically-driven presses
}
. . .
{
by screw means
}
. . .
{
by rack-and-pinion means
}
. . .
{
by the pull of chains or ropes
}
. .
{
with press boxes on a movable carrier, e.g. turntable
}
. .
{
with precompression means
}
. .
{
with compression means other than rams performing a rectilinear movement
}
. .
{
using a stationary press ram co-operating with a movable press box
}
. .
{
Extrusion presses
}
. .
{
with two or more stationary press boxes co-operating alternately with a press ram or simultaneously with press rams
}
. .
{
the means against which, or wherein, the material is compacted being retractable
}
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.
for consolidating scrap metal or for compacting used cars
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. .
{
for consolidating empty containers, e.g. cans
}
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. . .
{
between jaws pivoting with respect to each other
}
. . . .
{
operated by hand or foot
}
. . .
{
between rotary pressing members, e.g. rollers, discs
}
. .
{
provided with shearing means for the scrap metal, or adapted to co-operate with a shearing machine
}
. .
{
for briquetting scrap metal
}
. .
{
for making furnace charges
}
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Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses( for clay or mixtures containing cement B28B ; for plastics materials B29 )
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.
{
using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
}
. .
{
Isostatic press chambers; Press stands therefor
}
.
{
using a roller with radially arranged vanes dividing the pressing space in separate chambers
}
.
{
involving the use of very high pressures,( for the formation of artificial diamonds or boronitrides B01J 3/065 )
}
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.
{
Control arrangements
}
. .
{
for roller presses
}
.
{
using a plurality of pressing members working in different directions
}
.
{
Applying a magnetic field to the material
}
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.
using a ram exerting pressure on the material in a moulding space
. .
{
whereby the material is subjected to vibrations
}
. .
{
whereby the material is transferred into the press chamber by relative movement between a ram and the press chamber
}
. .
{
Particular press methods or systems
}
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. .
co-operating with a fixed mould
. . .
each charge of the material being compressed against the previously formed body
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. .
co-operating with moulds carried by a turntable
. . .
{
for multi-layer articles
}
. . .
intermittently rotated
. .
co-operating with moulds on the circumference of a rotating drum
. .
co-operating with moulds on a movable carrier other than a turntable or a rotating drum
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.
using pocketed rollers, e.g. two co-operating pocketed rollers
. .
{
Roll constructions
}
.
using profiled rollers
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.
Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
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. .
{
for extruding material
}
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. . .
{
Ring constructions
}
. . . .
{
Rings with adjustable extrusion openings
}
. . .
{
using an annular series of radial die cells, especially for crop material
}
. . .
{
Feed means
}
. . .
{
Roller constructions; Mounting of the rollers
}
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.
Extrusion presses ; Dies therefor( extruding by the use of roller-and-ring machines B30B 11/20 )
. .
{
extrusion dies
}
. .
{
using several circumferentially spaced rollers, e.g. skewed rollers
}
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. .
{
Extrusion chambers
}
. . .
{
with adjustable outlet opening
}
. .
{
Means for dividing the extruded material into briquets
}
. .
{
using pressing means, e.g. rollers moving over a perforated die plate
}
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. .
using screws or worms
. . .
Drive means therefor ; screw bearings
. . .
{
using two or more screws working in the same chamber
}
. . .
{
using two or more screws working in different chambers
}
. . .
{
Screw constructions
}
. . .
{
Means preventing the material from turning with the screw or returning towards the feed hopper
}
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. .
using press rams
. . .
{
with precompression means
}
. .
using perforated rollers or discs
. .
using directly-acting fluid pressure
.
for coating articles, e.g. tablets
Presses not provided for in groups B30B 1/00 to B30B 11/00
Methods of pressing not special to the use of presses of any one of the preceding main groups
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Details of, or accessories for, presses ; Auxiliary measures in connection with pressing( safety devices F16P )
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.
{
for briquetting presses
}
. .
{
lubricating means
}
. .
{
Deairing means
}
.
{
Drive arrangements for movable carriers, e.g. turntables
}
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.
{
means for adjusting the space between the press slide and the press table, i.e. the shut height
}
. .
{
using an adjustable connection between the press drive means and the press slide
}
. .
{
Control arrangements therefor
}
.
{
releasing means for jammed presses
}
.
{
for fluid driven presses
}
.
{
Inclinable presses
}
.
{
Counterbalancing means for movable press elements
}
.
{
Means for maintaining the press table, the press platen or the press ram against tilting or deflection
}
.
{
Noise or vibration isolation means
}
.
{
Dust eliminating means; Mould or press ram cleaning means
}
.
{
Lubricating means( B30B 15/0011 takes precedence )
}
.
{
Press load monitoring means( B30B 15/281 takes precedence )
}
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.
Dies ; Inserts therefor ; Mounting thereof ; Moulds( extrusion dies B30B 11/22 )
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. .
{
Moulds for compacting material in powder, granular of pasta form
}
. . .
{
using elastic mould parts
}
. .
{
Mounting of dies, platens or press rams
}
. .
{
Loading or unloading of dies, platens or press rams
}
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.
Frames ; Guides
. .
{
Guides
}
. .
{
Prestressed frames
}
. .
{
Means preventing deflexion of the frame, especially for C-frames
}
. .
{
Mountings of press columns
}
. .
{
C-shaped frames( with means for preventing deflection B30B 15/044 )
}
. .
{
Laminated frame structures
}
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.
Platens or press rams
. .
{
Cushion plates
}
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. .
{
Press plates
}
. . .
{
with heating or cooling means
}
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. .
{
Press rams
}
. . .
{
with means for equalizing the pressure exerted by a plurality of press rams
}
. .
{
Drive connections, e.g. pivotal
}
.
Accessory tools, e.g. knives ; mountings therefor
.
Brakes specially adapted for presses( brakes in general F16D )
.
Clutches specially adapted for presses( clutches in general F16D )
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.
Control arrangements for mechanically-driven presses
. .
{
controlling the brake or the clutch
}
. .
{
for stopping the press shaft in a predetermined angular position
}
. .
{
for synchronising a line of presses
}
. .
{
Electrical control arrangements
}
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.
Control arrangements for fluid-driven presses( pumps per se F04 ; hydraulic accumulators per se F15B ; valves per se F16K ; control devices in general G05 )
. .
{
controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure
}
. .
{
for accumulator-driven presses
}
. .
{
for pneumatically-hydraulically driven presses
}
. .
{
Electrical control arrangements
}
. .
{
for pneumatically driven presses( B30B15/16D takes precedence )
}
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. .
controlling the reciprocating motion of the ram
. . .
{
Controlling the filling of the press cylinder during the approach stroke of the ram, e.g. prefill-valves
}
. . .
{
Controlling the return movement of the ram, e.g. decompression valves
}
. . .
controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
. .
controlling the degree of pressure applied by the ram during the pressing stroke
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. .
controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
. . .
{
using auxiliary cylinder and piston means as actuating members
}
.
Programme control arrangements
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.
Arrangements for preventing distortion of, or damage to, presses or parts thereof
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. .
{
overload limiting devices( in general F16H 35/10 )
}
. . .
{
using a breakage element
}
. . .
{
releasing fluid from a fluid chamber subjected to overload pressure
}
. .
{
preventing a full press stroke if there is an obstruction in the working area
}
. .
{
preventing unintended ram movement, e.g. using blocking devices
}
. .
{
preventing over-run or reverse-run of the press shaft
}
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.
Feeding material to presses
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. .
{
Feeding material in particulate or plastic state to moulding presses
}
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. . .
{
by using feed frames or shoes with relative movement
}
with regard to the mould or moulds
. . . .
{
for multi-layer articles
}
. . .
{
in a continuous manner, e.g. for roller presses, screw extrusion presses
}
.
Discharging presses
.
Heating or cooling presses or parts thereof
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013