Weighing apparatus wherein the balancing is effected by fluid action
5
/
02
•
with a float or other member variably immersed in liquid
5
/
04
•
with means for measuring the pressure imposed by the load on a liquid (pressure gauges per seG 01 L)
5
/
06
•
•
using electrical indicating means [3]
7
/
00
Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
7
/
02
•
by electromagnetic action
7
/
04
•
•
with means for regulating the current to solenoids
7
/
06
•
by electrostatic action
9
/
00
Methods of, or apparatus for, the determination of weight not otherwise provided for
11
/
00
Apparatus for weighing a continuous stream of material during flow; Conveyer-belt weighers
11
/
02
•
having mechanical weight-sensitive devices
11
/
04
•
having electrical weight-sensitive devices
11
/
06
•
having fluid weight-sensitive devices
11
/
08
•
having means for controlling the rate of feed or discharge (regulation of flow of fluent material G 05 D)
11
/
10
•
•
by controlling the height of the material on the belt
11
/
12
•
•
by controlling the speed of the belt
11
/
14
•
using totalising or integrating devices (totalising or integrating devices per seG 06)
11
/
16
•
•
being electric or electronic devices [3]
11
/
18
•
•
•
using digital counting [3]
11
/
20
•
•
being mechanical devices [3]
13
/
00
Weighing apparatus with automatic feed or discharge for weighing-out batches of material (for weighing a continuous stream G 01 G 11/00; check-weighing G 01 G 15/00; for fluids G 01 G 17/04; apportioning by weight materials to be mixed
G 01 G 19/22; combinatorial weighing G 01 G 19/387) [5]
13
/
02
•
Means for automatically loading weigh-pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
13
/
04
•
•
involving dribble-feed means controlled by the weighing mechanism to top up the receptacle to the target weight
13
/
06
•
•
•
wherein the main feed is effected by gravity from a hopper or chute
13
/
08
•
•
•
wherein the main feed is effected by mechanical conveying means, e.g. by belt conveyers, by vibratory conveyers
13
/
10
•
•
•
wherein the main feed is effected by pneumatic conveying means, e.g. by fluidised feed of granular material
13
/
12
•
•
Arrangements for compensating for material suspended at cut-off, i.e. for material which is still falling from the feeder when the weigher stops the feeder
13
/
14
•
•
Arrangements for determination of, or compensation for, the tare weight of an unloaded container, e.g. of a disposable container
13
/
16
•
Means for automatically discharging weigh receptacles under control of the weighing mechanism
13
/
18
•
•
by valves or flaps in the container bottom
13
/
20
•
•
by screw conveyers in the weigh receptacle
13
/
22
•
•
by tilting or rotating the receptacle
13
/
24
•
Weighing mechanism control arrangements for automatic feed or discharge
13
/
26
•
•
involving fluid-pressure systems
13
/
28
•
•
involving variation of an electrical variable which is used to control loading or discharge of the receptacle
13
/
285
•
•
•
involving comparison with a reference value (G 01 G 13/29 takes precedence) [3]
13
/
29
•
•
•
involving digital counting [3]
13
/
295
•
•
•
for controlling automatic loading of the receptacle [3]
13
/
30
•
•
involving limit switches or position-sensing switches
13
/
32
•
•
•
involving photoelectric devices
13
/
34
•
•
involving mechanical linkage motivated by the weighing mechanism
