Watertight plug structure for an aquarium

Details Watertight plug structure for an aquarium Watertight plug structure for an aquarium

1997-10-28

1999-10-19

Swiatek, Robert P.

Animal husbandry

Aquatic animal culturing

Aquarium

119253, 40406, A01K 6300

Patent

active

059670886

ABSTRACT:
A structure for a watertight plug in an aquarium, having a positioning ring fitted in a neck portion of the aquarium, the watertight plug having a positioning ring and a ring flange so as to fit in the neck portion of a glass bowl of the aquarium, a flat portion on the top of the watertight plug having a plurality of buffer grooves, which have various and suitable shapes and sizes. Each of the buffer grooves has a thin film portion extending downwards from the groove mouth to form a curved bottom side, and then the thin film extends upwards and towards the center to form a separation plate. Such a structure can provide the glass bowl with a buffer effect to prevent the water from leaking out of the glass bowl or air being sucked into the glass bowl to form an air chamber.

REFERENCES:
patent: 1723272 (1929-08-01), Emma
patent: 3316882 (1967-05-01), Renwick
patent: 5469811 (1995-11-01), Lin
patent: 5775014 (1998-07-01), Lin
patent: 5816884 (1998-10-01), Chang

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