Abstract: The invention relates to a jamming device (1) for a cord or tape fastener (30), such as e.g. shoelaces (31), for shoes, jackets, trousers and other articles of clothing, comprising a ring lug (3) for looping the fastening means (30) and a rivet strap (2) which forms a hinge bearing (14) for the ring lug (3) and which is joined to the article of clothing by means of at least one fixing element, such as for example a rivet, stitching or gluing, the rivet strap (2) having a jamming cleat (43) joined to the rivet strap and provided with an end face (35) which is surrounded by the ring lug (30) when the latter is in a position more or less parallel with a contact surface (11) in a jamming zone (29) which is made up of jamming surfaces (36) formed by the end face (35) and an inner surface of the ring lug (3) facing the end face (35), the jamming surfaces (36) being separated from each other by a gap (38) in the jamming zone (29).

Abstract: The invention relates to a pipe for conveying fuel, in particular for motor vehicles, the pipe comprising a polyamide inner layer, an outer layer of vulcanized elastomer such as CSM, and a film of modified polyolefin forming an alcohol barrier and connecting the inner layer to the outer layer.