|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B29C-044/06 B29C-044/12 B29C-049/04|
|미국특허분류(USC)||264/0459; 264/0464; 264/514; 264/516; 264/571; 264/573|
|§371/§102 date||19990831 (19990831)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 28 인용 특허 : 11|
Article made of thermoplastic material, which article is rigid and at least partly heat insulating. The article includes a laminate in at least parts of the article. The laminate includes a first and a second layer of solid thermoplastic material (A) and an intermediate layer of expanded thermoplastic material (B) with an average density of 50-800 kg/m3. The thermoplastic materials (A) and (B) are the same or compatible materials. The article is manufactured according to a process comprising the steps a) forming of a solid outer layer, b) manufacturing o...
1. A process for the manufacturing of a hollow article made of plastic comprising a solid outer layer with an intermediate expanded layer and a functional part selected from the group consisting of reinforcing profiles, guiding profiles, stacking profiles, hinge parts, pockets, label holders and profiles for automatic handling and locking, the process comprising:extruding a first thermoplastic material into a sheet or tube shaped work piece forming a first layer; adding further molten first thermoplastic material, molten second thermoplastic material and...