1. Coloured soda-lime glass of high light transmission, composed of glass-forming principal constituents and of colouring agents, the amount of which is expressed by weight with respect to the total weight of glass, characterized in that it comprises a total amount of iron, expressed in the form of Fe2O3 oxide, which is less than 0.4% by weight and in that it has a redox ratio of at least 30% with an FeO content of at least 0.08% by weight and in that it includes in total at least five parts per million (ppm) and at most 1500 ppm by weight of at least one of the following colouring agents in the respective amounts indicated:
8
Cr2O3
from 0 to 500 ppm
V2O5
from 0 to 1000 ppm
Co
from 0 to 100 ppm
Se
from 0 to 10 ppm.
2. Coloured glass according to claim 1, characterized in that it has a light transmission (TLA4) greater than or equal to 66%.
3. Coloured glass according to claim 2, characterized in that it has a light transmission (TLA4) greater than or equal to 70%.
4. Coloured glass according to claim 3, characterized in that it has a light transmission (TLA4) greater than or equal to 72%, preferably greater than or equal to 75%.
5. Coloured glass according to any one of claims 1 to 4, characterized in that its tint in transmission has a dominant wavelength (D) of less than 494 nm.
6. Coloured glass according to claim 5, characterized in that its tint in transmission has a dominant wavelength (D) of less than 492 nm.
7. Coloured glass according to claim 6, characterized in that its tint in transmission has a dominant wavelength (D) of less than 490 nm.
8. Coloured glass according to any one of claims 1 to 7, characterized in that its tint in transmission has an excitation purity (P) greater than 3%, preferably greater than 5%.
9. Coloured glass according to any one of claims 1 to 8, characterized in that it has a selectivity (SE) greater than or equal to 1.2.
10. Blue-coloured soda-lime glass of high light transmission, composed of glass-forming principal constituents and of colouring agents, characterized in that it comprises a total amount of iron, expressed in the form of Fe2O3 oxide, which is less than 0.4% by weight, in that its tint in transmission has a dominant wavelength (D) of less than 494 nm with a light transmission (TLA4) greater than 66%, an excitation purity (P) greater than 3% and a selectivity (SE) greater than 1.2.
11. Coloured glass according to claim 10, characterized in that it has a light transmission (TLA4) greater than or equal to 70%.
12. Coloured glass according to either of claims 10 and 11, characterized in that it has a redox ratio of at least 30%.
13. Coloured glass according to any one of claims 10 to 12, characterized in that it comprises at least one of the following colouring agents in the respective amounts indicated, expressed by weight with respect to the total weight of glass:
9
Cr2O3
from 0 to 500 ppm
V2O5
from 0 to 1000 ppm
Co
from 0 to 100 ppm
Se
from 0 to 10 ppm.
14. Coloured glass according to any one of claims 1 to 13, characterized in that it comprises less than 0.3% by weight of TiO2 with respect to the total weight of glass.
15. Coloured glass according to claim 14, characterized in that it comprises less than 0.1% by weight of TiO2 with respect to the total weight of glass.
16. Coloured glass according to any one of claims 1 to 15, characterized in that it comprises less than 0.3% by weight of CeO2 with respect to the total weight of glass.
17. Coloured glass according to claim 16, characterized in that it comprises less than 0.1% by weight of CeO2 with respect to the total weight of glass.
18. Coloured glass according to any one of claims 1 to 17, characterized in that it comprises at most 50 ppm by weight of Co with respect to the total weight of glass.
19. Coloured glass according to any one of claims 1 to 18, characterized in that it comprises more than 2% by weight of MgO.
20. Coloured glass according to any one of claims 1 to 19, characterized in that it comprises the amounts of the following colouring agents, expressed by weight with respect to the total weight of glass, the total amount of iron being expressed in the form of Fe2O3:
10
Fe2O3
from 0.27% to less than 0.4%
FeO
from 0.10% to 0.20%
Co
from 1 ppm to 35 ppm
Cr2O3
from 0 to 250 ppm
V2O5
from 0 to 450 ppm
and has the following optical properties:
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70.5% < TLA4 < 85%
40% < TE4 < 60%
P > 3%
D 492 nm.
21. Coloured glass according to any one of claims 1 to 20, characterized in that it forms glazing for motor vehicles.
22. Coloured glass according to any one of claims 1 to 20, characterized in that it forms glazing for buildings.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A slicer for cutting food, such as sausage, cheese or meat, for example, into slices, in particular for simultaneously slicing at least two stick-shaped pieces of food by means of a cutting blade, comprising a feeding of the food, which is to be sliced, to the cutting blade, characterized in that a feed unit for feeding the food to the cutting blade comprises at least one gripper carriage comprising a gripper receiving beam and at least one movable gripper, wherein the at least one gripper can be operated by means of a stationary drive, and wherein the mechanical work for seizing can be transferred to the grippers via guides or further drive means.
2. The slicer according to claim 1, characterized in that the gripper carriage is guided on a linear guide, preferably in the form of guide bars and is arranged so as to be linearly movable, wherein the guide bar can simultaneously be rotated parallel to its longitudinal axis.
3. The slicer according to claim 1, characterized in that the gripper carriage comprising the gripper receiving beam is guided on the guide bar and can be moved along the feed axis by means of a toothed belt overdrive.
4. The slicer according to claim 1, characterized in that the toothed belt drive comprises a toothed wheel and a tensioning or deflection roller, between which a toothed belt runs back and forth, and that the toothed belt is coupled to the gripper carriage, wherein the toothed belt is provided with pull ropes, which are sealed on all sides by means of a plastic material of the toothed belt.
5. The slicer according to claim 1, characterized in that the gripper receiving beam is arranged vertically to the feed axis of the food and is provided with a linear element guided therein, and that a push rod is arranged in a rotatably movable manner on the end of the linear element located closer to the guide bar with the other end of said push rod being articulated on the guide bar in a rotationally movable manner.
6. The slicer according to claim 1, characterized in that the gripper is provided with a slider crank, the ends of which correspond to a movement device of the gripper claws and the linear element.
7. The slicer according to claim 1, characterized in that one end of the slide crank is articulated on a gripper head of the gripper in a rotationally movable manner, wherein the gripper head is arranged so as to be movable in the direction of the longitudinal axis of the gripper.
8. The slicer according to claim 1, characterized in that the stationary drive for operating the gripper claws is carried out by means of pneumatic cylinder or electric motor.
9. A slicer for cutting food, such as sausage, cheese or meat, for example, into slices, in particular for simultaneously slicing at least two stick-shaped pieces of food by means of a cutting blade, comprising a feeding of the food, which is to be sliced, to the cutting blade comprising at least one feed unit, which moves at least one gripper carriage along the feed axis by means of a toothed belt drive, characterized in that the toothed belt is provided with pull ropes, which are sealed on all sides by means of a plastic material of the toothed belt.
10. The slicer according to claim 9, characterized in that the toothed belt overdrive comprises a toothed wheel and a tensioning roller or deflecting roller, respectively, between which the toothed belt runs back and forth.
11. The slicer according to claim 9, characterized in that the toothed belt (26) can be coupled to the gripper carriage and the toothed belt is provided with steel cords, which are embedded in an elastic base belt body of an elastomer material, which is suitable for use in food.
12. The slicer according to claim 9, characterized in that the feed unit comprises a gripper carriage comprising a gripper receiving beam, on which grippers are guided, a linear guide, in particular two guide rods, a servo drive and means for moving the gripper carriage.
13. The slicer according to claim 9, characterized in that the gripper carriage is guided on the guide bars and is arranged so as to be linearly movable, wherein the guide bar can be rotated simultaneously about its own longitudinal axis.
14. The slicer according to claim 9, characterized in that the gripper receiving beam is arranged vertically to the feed axis of the food and is provided with a linear element guided therein, and that a push rod is arranged in a rotatably movable manner on the end of the linear element located closer to the guide bar with the other end of said push rod being articulated on the guide bar in a rotationally movable manner.
15. The slicer according to claim 9, characterized in that the gripper is provided with a slider crank, the ends of which correspond to a movement device of the gripper claws and the linear element.
16. The slicer according to claim 9, characterized in that one end of the slide crank is articulated on a gripper head of the gripper in a rotationally movable manner, wherein the gripper head is arranged so as to be movable in the direction of the longitudinal axis of the gripper.
17. A method for cutting food, such as sausage, cheese or meat, for example, into slices, in particular for simultaneously slicing at least two stick-shaped pieces of food by means of a cutting blade of a cutting machine, comprising a seizing and feeding of the food, which is to be sliced, to the cutting blade, characterized in that the feeding of the food to the cutting blade takes place by means of a stationary drive, wherein the mechanical work for seizing is transferred to gripper via guides or further drive means.