processo para selar um acessório flexível a uma película flexível

• Main Authors: RAIMUND GERSTNER, MARCOS FRANCA, BRUNO RUFATO PEREIRA
• Format: Patent
• Language: Portuguese
• Published: 17.04.2018
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BABY COMFORTERS; CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; DEVICES FOR RECEIVING SPITTLE; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

a presente divulgação proporciona um processo. em uma modalidade, o processo inclui a proporcionar um acessório com uma base, a base compreendendo um copolímero em multibloco de etileno/a-olefina; b. colocar a base entre duas películas de multicamadas opostas, cada película de multicamadas possuindo uma respectiva camada de selagem compreendendo um polímero à base de olefina; c. selar de forma plana a base para cada película de multicamadas com barras de selagem planas aquecidas opostas, a selagem plana formando juntas de selagem opostas nas extremidades de base planas; e d. selar por pontos The present disclosure provides a process. In an embodiment, the process includes A. providing a fitment with a base, the base comprising an ethylene/α-olefin multi-block copolymer; B. placing the base between two opposing multilayer films, each multilayer film having a respective seal layer comprising an olefin-based polymer; C. flat sealing the base to each multilayer film with opposing heated flat seal bars, the flat sealing forming opposing seal joints at the flattened base ends; and D. point sealing the opposing seal joints with opposing curved seal bars.