A spirally wound strip (300) is thicker in the middle and is curved on both sides. Short flats (306) are formed at each side by surfaces that converge towards each other. Soft sealant material (316) extends over the flats (306).
申请公布号
US2012068415(A1)
申请公布日期
2012.03.22
申请号
US201013254744
申请日期
2010.02.26
申请人
DELUCA GEORGE;HASHA BRIAN;JAMLYARIA JAMAL;HOYES JOHN;BOND STEPHEN PETER;FLEXITALLIC INVESTMENTS, INC.
发明人
DELUCA GEORGE;HASHA BRIAN;JAMLYARIA JAMAL;HOYES JOHN;BOND STEPHEN PETER