Package making – Means to fill and close preformed receptacle – With separate closure
Patent
1986-08-12
1988-06-14
Culver, Horace M.
Package making
Means to fill and close preformed receptacle
With separate closure
53468, 53283, 53381A, B65B 4340, B65B 728, B67B 100, B67B 702
Patent
active
047503114
ABSTRACT:
The dispensing head disclosed comprises a chamber (2) with a bottom outlet (3), and a coaxial hollow plunger (8) the bottom end of which carries a plug (10) that registers in the outlet. The plunger is capable of axial shift between a raised position, and a lowered position in which the plug (10) blocks the outlet (3); on completion of the single batching cycle, the plug is lowered into the outlet and pressurized inert gas is directed through the plunger. The head also comprises a poppet (16) capable of axial movement between a raised position, in which it registers in the bore (11) of the plug (10), and a lowered position in which it is distanced from the mouth of the bore; the poppet is fixed to the bottom end of a slender stem (17) accommodated within the hollow plunger (8), and reciprocated in such a way that it keeps the bore (11) normally closed, and is moved into the lowered position only when the plug (10) happens likewise to be in its lowered position.
REFERENCES:
patent: 4363338 (1982-12-01), Brown
patent: 4452030 (1984-06-01), Inada
patent: 4494363 (1985-01-01), Rica et al.
patent: 4522089 (1985-06-01), Alvi
patent: 4524563 (1985-06-01), Sassi
Culver Horace M.
Rossi & Catelli S.p.A.
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