Fluent material handling – with receiver or receiver coacting mea – Miscellaneous
Patent
1977-01-19
1978-07-18
Bell, Houston S.
Fluent material handling, with receiver or receiver coacting mea
Miscellaneous
B65B 304, B67C 302
Patent
active
041009487
ABSTRACT:
A filling tube for use in a container filling machine in which the tube is vertically disposed within a container as the container is being filled with a liquid. The lower end of the tube is adapted for insertion downwardly into the container and the upper end of the tube is provided with means for attachment to the filling machine. The lower end of the tube has an externally threaded portion with a pair of annular sealing portions, one sealing portion on either side of the threaded portion. A protective end tip member formed of a soft, low moisture absorbent material is secured to the lower end of the tube. The soft tip member minimizes damage to glass containers as the filling tube is inserted into the container. The tip member has an internally threaded portion which engages the externally threaded portion of the tube to secure the tip to the tube. The tip member also has a pair of annular sealing portions corresponding to the sealing portions of the tube which abut the tube sealing portions to form a tight seal. The sealing portions of the tube and the tip member preferably each comprise two nonparallel sealing surfaces. The sealing surfaces prevent the formation of pockets or reservoirs for the material being filled which would otherwise breed bacteria.
REFERENCES:
patent: 1831586 (1931-11-01), Barr
patent: 2461326 (1949-02-01), Kantor et al.
patent: 3935886 (1976-02-01), Duncan
patent: 4014372 (1977-03-01), Dichiara
Arthur Products Co.
Bell Houston S.
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