Load carrier
AssigneeMettler-Toledo AG
InventorsAndreas Metzger, Peter Schilling, Stephan Baltisberger, Hans-Rudolf Burkhard
Life of this patent
Estimating the term…
Abstract
A load carrier with a receiving pan for a free-flowing substance, a calibration weight holder for supporting a calibration weight, and a connector element for connecting the load carrier to a load receiver of a weighing cell. The receiving pan is arranged between the connector element and the calibration weight holder and is designed to be loaded with the free-flowing substance through a passage in the calibration weight holder. The calibration weight holder can be loaded with a calibration weight independently of the load status of the receiving pan.
Claims14
A load carrier for a weighing cell, comprising:
- a connector element for connecting the load carrier to a weighing cell;
- a calibration weight holder for supporting a calibration weight, the calibration weight holder having a passage therethrough;
- and
- a receiving pan designed for loading with a free-flowing substance through the passage in the calibration weight holder, said receiving pan arranged between the calibration weight holder and the connector element;
- wherein the calibration weight holder can be loaded with a calibration weight regardless of the load status of the receiving pan.
A method of calibrating a weighing cell and weighing a free-flowing substance, comprising:
- (a) connecting a load carrier to a load receiver of the weighing cell, the load carrier including a receiving pan designed for loading with a free-flowing substance and a calibration weight holder having a passage through which the receiving pan may be loaded with the free-flowing substance;
- (b) loading the calibration weight holder with a calibration weight, calibrating the weighing cell, and subsequently removing the calibration weight;
- (c) loading the receiving pan with a batch of the free-flowing substance and measuring the weight of the free-flowing substance residing in the receiving pan;
- (d) removing at least part of the of the free-flowing substance from the receiving pan;
- and
- (e) repeating steps (c)-(d) with or without first repeating step (b);
- wherein, the calibration weight holder can be loaded with the calibration weight independently of the load status of the receiving pan.
Dependencies are inferred from the claim text.