Breather for permanent aluminium-casting mould
OwnerJeanlis Brito Zanattainventor
Life of this patent
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Abstract
The patent relates to the field of metallurgical products and comprises a cylindrical body (15) provided with a plurality of slots (16), with a taper “A” designed such that the larger opening (18) is at the outer surface of the breather (15) and the smaller opening (19) is located internally with respect to the breather (15), so that the aluminium component (5), when removed from the mould (6), brings with it the burr (17), leaving the slots (16) of the breather (15) always free, and also a breather (20) comprising a cylindrical body constituted from a plurality of holes (21), with a conicity “A” designed such that the larger opening (22) is at the outer surface of the breather (20) and the smaller opening (23) is located internally with respect to the breather (20).
Claims1
A vent for a permanent aluminium casting mould, wherein the vent comprises:
- a cylindrical body (6) provided with a plurality of grooves (16) having an inclination A, with a large section of the groove (18) located on an external surface of the vent (15) and a smaller section of the groove (19) located inside of said vent (15), so that when an aluminium part (5) is removed from the cylindrical body (6) said aluminun part carries a burr (17), leaving the grooves (16) of the vent (15) always clean and free;
- in the same way, a vent (20) comprises a cylindrical body provided with a plurality of holes (21) having a taper A, with a large section of the hole (22) located on an external surface of the vent (20) and a smaller section of the hole (23) is located inside of the vent (20).
Dependencies are inferred from the claim text.