Tube for guiding gas or liquid

Details Tube for guiding gas or liquid Tube for guiding gas or liquid

2011-01-25

2011-01-25

Hook, James F (Department: 3754)

Pipes and tubular conduits

Flexible

Corrugated

C138S119000, C138S109000

Reexamination Certificate

active

07874319

ABSTRACT:
The invention relates to a tube (1) for guiding gas and/or liquid, particularly on an internal combustion engine, comprising a supporting body (2) and a skin (3). The supporting body (2) consists of a relatively stiff first plastic and has a number o recesses (6), which pass through the supporting body (2) and are arranged in such a manner that the supporting body (2) is flexible in a longitudinal section provided with the recesses (6) and resists pressure forces. The skin (3) consists of a relatively supple second plastic and is placed on the supporting body (2) in such a manner as to close the recesses (6) in a tight manner and transfers pressure forces acting thereupon to the supporting body (2).

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