49048 ⎘
Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles; Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining Applying the foaming resin, moulding the lining or the like, with the lining turned inside out