Oxygen candle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11559707
APP PUB NO 20200368561A1
SERIAL NO

16763931

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is an oxygen candle starting device, comprising a pull line column (17) and a percussion cap (15), wherein a pull line hole (155) is provided in the pull line column in an axial direction of the pull line column, a percussion cap cavity (154) is provided inside one end of the pull line column, a fire-preventing cavity is provided inside the other end of the pull line column, and the pull line hole passes through the fire-preventing cavity and the percussion cap cavity; the percussion cap is mounted in the percussion cap cavity, and sand grains (16) are packaged in the fire-preventing cavity. Further provided is an oxygen candle comprising the oxygen candle starting device and an oxygen generator, wherein the oxygen generator comprises an agent loading housing, with a through hole being provided in the top of the agent loading housing, a gas outlet being provided in the bottom thereof, and a filter being mounted at the gas outlet; and the percussion cap of the oxygen candle starting device is in contact with an oxygen candle agent via the through hole, the oxygen generator is connected to the agent loading housing in a sealed manner, and the filter is connected to the gas outlet in a sealed manner. The oxygen candle employs a pull-type starting device, and the starting structure for an existing oxygen candle is simplified, thereby preventing a false start caused by the falling-off of a steel needle and improving the reliability.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SHAANXI STAR EXPLOSION SAFETY POLYTRON TECHNOLOGIES INC710018 NO 3699 SHANG YUAN ROAD GRASS BEACH ECO INDUSTRIAL PARK XI'AN CITY SHAANXI PROVINCE XI'AN CITY SHAANXI PROVINCE 710018

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ma, Aiping Shaanxi, CN 5 2
Wen, Xinguo Shaanxi, CN 2 0

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Jul 24, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 24, 2030
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00