Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element – Having resilient securing structure on shank
Reexamination Certificate
2011-05-31
2011-05-31
Estremsky, Gary (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element
Having resilient securing structure on shank
C411S903000
Reexamination Certificate
active
07950889
ABSTRACT:
In aircraft construction, connection elements for connecting layers of insulating material onto walls are subject to special requirements for ease of installation, weight considerations, and resistance to heat. The invention provides a connection arrangement, in particular for superimposed layers of material, whose function is not impaired under extreme heat. The connection arrangement is comprised by a pin with a head or head arrangement, engaging positions, and a retaining element. The pin, the head or the head arrangement, and retaining element are made up of a skeleton and an outer material where the skeleton is made of a material more resistant to heat than the outer material. Following destruction or removal of the outer material by heat, the remaining skeleton parts of the pin, head part, and retaining element maintain their connections and structure keeping the layers of material in place.
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Estremsky Gary
S—Fasteners GmbH
Woodling Krost and Rust
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