| 摘要 |
A delivery pipe (1) for the transport of solid material includes a tubular body (2) comprised of an inner pipe (3) and an outer pipe (4). A coupling collar (7) is fixed to the outer surface (8) of the outer pipe (4) by adhesion at each pipe end (5, 6) of the tubular body (2). The coupling collar (7) includes a radially inwardly oriented circumferential shoulder (12) on its terminal end (11), with the inner diameter (Dki) of the collar sized smaller than the outer diameter (Dra) of the tubular body (2). This enables a stable adhesive securement of the coupling collar (7) to a pipe end (5, 6). At its collar end (17) distal to its terminal end (11), the coupling collar (7) has a circumferential slanted surface (18) which expands from its inner circumferential area to the outside, with a slanted surface formed underneath for accumulation of an adhesive bead (20).
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