Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2009-01-27
2011-11-29
Bochna, David E (Department: 3679)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S508000, C029S515000, C029S516000, C029S517000
Reexamination Certificate
active
08065783
ABSTRACT:
Brake pipe connection to a brake hose includes a fixing bushing through which the brake hose is inserted through a first side and a brake pipe through a second side. The brake pipe includes an external diameter DT, a wall thickness eT, and a connection end. The brake hose includes an internal diameter dHthat is less than the external diameter DTof the brake pipe. The connection end includes a built-in pipette which is housed on the inside of the fixing bushing and inserted in the brake hose. The built-in pipette is formed by the stretching of the connection end to obtain an external diameter of the pipette DPthat is less than the external diameter DTof the brake pipe, a pipette wall thickness ePthat is less than the wall thickness eTof the brake pipe, and a pipette length LP.
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Bochna David E
J. Juan, S.A.
Merchant & Gould P.C.
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