Dispensing head for fluid dispensing systems having elements mad

Details Dispensing head for fluid dispensing systems having elements mad Dispensing head for fluid dispensing systems having elements mad

1975-06-18

1977-03-01

Tollberg, Stanley H.

Dispensing

With flow controller or closure

Plural and/or carried by separably attached element

222559, 239 295, B65D 4700

Patent

active

040098060

ABSTRACT:
A dispensing head for use in a fluid dispensing system has a base member made from an inert plastic material with locking guide means at the lower section thereof and boss means at the upper section. The boss means has a shoulder a predetermined distance from the locking guide means and a control valve cavity which extends into the base member from the upper surface of the boss means so as to communicate with an inlet for fluid to be dispensed and an outlet for dispensing said fluid respectively disposed in the base member a spaced distance therefrom. A guard member also made of an inert plastic material has a connecting section and a shield section. The connecting section forms a shaped cavity with locking guide grooves on the inner wall of the connecting section so that the guard member in assembled position will operatively engage locking guide means at the lower end and a shoulder at the upper end of the base member. The connecting section of the guard member has an opening thereon and in assembled position the opening is aligned with the control valve cavity to permit means to be connected in the control valve cavity for locking the base member and guard member in assembled position in a fluid dispensing system. Said means including, a thin walled metal insert ultrasonically welded in the control valve cavity, a retaining ring mounted on said metal insert and sized to extend through the aligned opening when the guard member is in assembled position, and a cover member threadibly connected on the extended portion of the retaining ring.
A nozzle is removably fitted in the outlet means in the base member, a means is provided in the outlet means to hold the nozzle in assembled position.

REFERENCES:
patent: 2081131 (1937-05-01), Barnes
patent: 2888028 (1959-05-01), Hill
patent: 3285296 (1966-11-01), Ishimaru et al.
patent: 3554446 (1971-01-01), Castillo
patent: 3567121 (1969-02-01), Dreibelbis
patent: 3625437 (1971-12-01), Garrigou
patent: 3854665 (1974-12-01), Rodgers

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