B29C 65/5078

Joining {or sealing} of preformed parts {, e.g. welding of plastics materials}; Apparatus therefor using adhesives {, i.e. using supplementary joining material; solvent bonding} using adhesive tape {, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and being composed by several elements}