B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
B29C44/34—Auxiliary operations
B29C44/56—After-treatment of articles, e.g. for altering the shape
B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Moulds For Moulding Plastics Or The Like
(AREA)
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)