ApplicationNo. 06/350353 filed on 02/19/1982
US Classes:428/156, Including variation in thickness428/120, Inward from edge of web or sheet428/220, Physical dimension specified428/437Next to acetal of polymerized unsaturated alcohol (e.g., formal butyral, etc.)
ExaminersPrimary: Lesmes, George F.
Assistant: Schwartz, Pamela R.
Attorney, Agent or Firm
International ClassesB32B 17/10 (20060101)
B32B 17/06 (20060101)
B32B 3/30 (20060101)
Foreign Application Priority Data1981-03-12 JP
AbstractA plastic interlayer for lamination comprises a plastic film or sheet, at least one surface of which has a structure having many separated projections and continuous roots in the same level.