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Publication of BE530847ApublicationCriticalpatent/BE530847A/fr
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
B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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Engineering & Computer Science
(AREA)
Mechanical Engineering
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Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)