 | | B29C | Subclass index | COMPONENT PARTS, DETAILS ACCESSORIES, AUXILIARY OPERATIONS | | Moulds or cores | 33/00 | Heating, cooling, curing | 35/00 | Other features | 31/00, 37/00 | MOULDING | | by casting, by coating a mould | 39/00, 41/00 | Compression moulding | 43/00 | by internal pressure | 44/00 | Injection moulding | 45/00 | Extrusion moulding | 47/00 | Blow-moulding | 49/00 | Thermoforming | 51/00 | OTHER SHAPING TECHNIQUES | | Bending, folding, twisting, straightening, flattening | 53/00 | Stretching | 55/00 | Liberation of internal stresses | 61/00 | Other techniques | 67/00 | JOINING | 65/00 | PARTICULAR APPLICATIONS | | Shaping tube ends | 57/00 | Surface shaping | 59/00 | Lining or sheathing | 63/00 | Shaping composites | 70/00 | COMBINATIONS OF SHAPING TECHNIQUES | 69/00 | AFTER-TREATMENT | 71/00 | REPAIRING | 73/00 |
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