US 12,234,034 B2
Aircraft opening plug and installation tool
James Hodges Van Dis, Washington, NC (US); and Ralph Samuel Jarvis, Jr., Bath, NC (US)
Assigned to SERIAS-LEE, LLC, Washington, NC (US)
Filed by SERIAS-LEE, LLC, Washington, NC (US)
Filed on Jun. 29, 2021, as Appl. No. 17/362,384.
Prior Publication US 2022/0411099 A1, Dec. 29, 2022
Int. Cl. B64F 1/00 (2024.01); C09K 21/14 (2006.01)
CPC B64F 1/005 (2013.01) [C09K 21/14 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A plug for protecting sensitive aircraft equipment comprising:
a fire-resistant foam shaped to fit an interior of an orifice of an aircraft such that a portion of an exterior of the plug contacts a portion of the interior of the orifice thereby holding the plug in place via friction,
a temperature resistant fabric covering an exterior of the fire-resistant foam,
a first ring inserted into the fire-resistant foam, and
a second ring inserted into the fire-resistant foam, wherein
the first ring and the second ring are not parallel to each other.