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Patent Searching and Data


Title:
REPAIR STRIP AND PROCESS FOR WIND TURBINE LEADING EDGE PROTECTION TAPE
Document Type and Number:
WIPO Patent Application WO/2018/174986
Kind Code:
A3
Abstract:
A method is described for repairing the surface of rotor blades or aircraft wings, comprising (a) a composite substrate; and (b) a protection layer having at least one area of at least partial damage, the method comprising (i) optionally, removing at least part of the damaged part of the protection tape; (ii) optionally, reconstructing the surface of damaged composite substrate; (iii) optionally, applying primer solution to the surface of the composite substrate; (iv) optionally, applying a polymer solution, preferably in at least one organic solvent; (v) applying a repair patch of a polymer onto at least a part of the composite surface; (vi) applying heat so that the repair patch of a polymer tape melts and covers the damaged area, thereby forming a protection layer or applying a repair solution, preferably in at least one organic solvent, so that the repair patch of a polymer tape at least partially dissolves and covers the damaged area.

Inventors:
SCHÖPPEL WOLFGANG (DE)
KÜHNEWEG BERND (DE)
MÜNSTERMANN BENJAMIN (DE)
Application Number:
PCT/US2018/012030
Publication Date:
November 22, 2018
Filing Date:
January 02, 2018
Export Citation:
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Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B29C73/10; B64F5/40; B29C73/34; B29K21/00; B29K75/00; B29L31/08
Foreign References:
US20110158807A12011-06-30
US20110265936A12011-11-03
JPH0839689A1996-02-13
US20050112968A12005-05-26
Attorney, Agent or Firm:
TÉLLEZ, Carlos M. et al. (US)
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