PET KEG FITTING Russian patent published in 2019 - IPC B67D1/08 B67D1/12 B67C3/22 

Abstract RU 2691286 C1

FIELD: manufacturing technology.

SUBSTANCE: invention relates to sealing structures for containers made from polyethylene terephthalate (hereinafter PET keg), installed on necks PET keg for dispensing, storage and transportation of beverages in PET keg under pressure. Fittings for PET keg comprises cover with central hole with connection means with neck keg, hollow rod, valve element, spring, annular nut, wherein the first end of the rod is open, and the second end is closed with the annular projection, in the forming surface of the rod there is at least one window, on the rod, with possibility of movement along it, a valve element is installed, central hole of which is provided with an inner annular projection configured to interact with the annular projection of the rod and an outer annular projection configured to interact with the cover annular protrusion, and between valve element and annular nut is installed spring, cover is made in the form of a fungus and is connected to the annular nut by a threaded connection for direct fitting installation on the neck keg, annular nut bottom has holes for gas passage, between collar and cylindrical surface of leg of fungus of cover there is an annular gasket for sealing connection of cover and neck PET keg, and valve element is configured to perform function of safety valve and operation indicator from polymer material with Shore hardness of 40–60 units and comprises cuts on outer surface to height, not exceeding annular shoulder, made on outer annular step.

EFFECT: technical result consists in obtaining a reliable, efficient and safe in operation fitting for PET keg.

7 cl, 4 dwg

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RU 2 691 286 C1

Authors

Knyazev Sergej Vladimirovich

Dates

2019-06-11Published

2019-03-26Filed