SHOT TUBE FOR DIE-CAST MACHINE
A shot tube includes an inner bore for delivering molten material into a die-cast mold. The shot tube has an outer peripheral surface with at least one surface for receiving a locking member to lock the shot tube into an aperture in a fixed mold portion and an alignment structure for properly aligning the shot tube in the fixed mold portion. An opening receives molten material into the inner bore.
1 . A shot tube comprising:
an inner bore for delivering molten material into a die-cast mold, said shot tube having an outer peripheral surface with at least one surface for receiving a locking member to lock the shot tube into a fixed mold portion and an alignment structure for properly aligning the shot tube in the fixed mold portion; and
an opening for receiving molten material into the inner bore.
2 . The shot tube as set forth in claim 1 , wherein said surface includes a pair of surfaces formed at an outer periphery of the shot tube.
3 . The shot tube as set forth in claim 2 , wherein said pair of surfaces are flats.
4 . The shot tube as set forth in claim 3 , wherein said shot tube outer periphery is cylindrical, other than at the flats.
5 . The shot tube as set forth in claim 4 , wherein said alignment structure includes a notch at a forward end of said shot tube.
6 . The shot tube as set forth in claim 5 , wherein said inner bore extends through an entire axial length of said shot tube.
7 . The shot tube as set forth in claim 6 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
8 . The shot tube as set forth in claim 1 , wherein said shot tube outer periphery is cylindrical, other than at the flats.
9 . The shot tube as set forth in claim 8 , wherein said alignment structure includes a notch at a forward end of said shot tube.
10 . The shot tube as set forth in claim 9 , wherein said inner bore extends through an entire axial length of said shot tube.
11 . The shot tube as set forth in claim 10 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
12 . The shot tube as set forth in claim 2 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
13 . The shot tube as set forth in claim 1 , wherein said alignment structure includes a notch at a forward end of said shot tube.
14 . The shot tube as set forth in claim 13 , wherein said inner bore extends through an entire axial length of said shot tube.
15 . The shot tube as set forth in claim 14 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
16 . The shot tube as set forth in claim 13 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
17 . The shot tube as set forth in claim 1 , wherein said inner bore extends through an entire axial length of said shot tube.
18 . The shot tube as set forth in claim 17 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
19 . The shot tube as set forth in claim 1 , wherein said shot tube includes an inner portion formed of a powdered metal and an outer portion formed of stainless steel.
20 . The shot tube as set forth in claim 19 , wherein said shot tube outer periphery is cylindrical, other than at the flats.