High-pressure fuel injection pipe having connecting head

Details High-pressure fuel injection pipe having connecting head High-pressure fuel injection pipe having connecting head

2005-08-30

2005-08-30

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

Combined

With end structure

C138S177000, C138S178000, C285S386000, C285S353000, C285S384000

Reexamination Certificate

active

06935377

ABSTRACT:
A high-pressure fuel injection pipe has a connecting head with an outer circumference formed for a mating seat portion. A shallow annular groove is formed in the inner side of the connecting head while shaping the head. A connecting washer is fit on the outer circumference of the lower neck of the connecting head. The injection pipe is characterized in that the lower neck of the connecting head is provided with an at least two-stepped portion having no slope, and in that the connecting washer is provided with a stepped portion corresponding at least partially to the stepped portion of the connecting head, so that the stepped portions may abut against each other.

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