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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0003262 (1979-01-15) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A discrete tube is provided which can be readily torn into a length of coiled insulation wrapping. The tube comprises at least two plies of a firm, foamed thermoplastic polymer web which has been set into a coiled configuration. The plies are welded together on their radially facing adjoining surfac
An insulation tube comprising at least two welded coiled plies, each ply being formed of a web of foamed thermoplastic polymer set into a coiled configuration, a radially facing surface of each web is welded to a radially facing surface of an adjoining web, but the axially facing edges on each coile
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