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Patent Searching and Data


Title:
LASER-MADE MICROPERFORATIONS IN FILMS
Document Type and Number:
WIPO Patent Application WO/2019/178505
Kind Code:
A8
Abstract:
A laser system (10) and method is used to micro-drill a web (18) producing holes (19) of approximately 85μτη or less. The laser system comprises a laser beam (14) having a wavelength in the range of approximately (2) to (6) microns and the focal point of the laser beam being steered onto a surface of the moving web wherein the web is moving (23). The web is a film such as a flexible film or commercial packaging film. 'The laser beam wavelength and constant laser energy can be used to laser micro-drill the flexible film.

Inventors:
DAUN, Mark (677 Tower Road, Hudson, WI, 54016, US)
LACKNER, Matt (W13230 640th Ave, Prescott, WI, 54021, US)
BUCKLEW, James (1902 60th Street, Somerset, WI, 54025, US)
HATELLA, Kurt (2081 114th Street, New Richmond, WI, 54017, US)
WEBER, Karl (418 Willard Street W, Stillwater, MN, 55082, US)
Application Number:
US2019/022517
Publication Date:
October 24, 2019
Filing Date:
March 15, 2019
Export Citation:
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Assignee:
PRECO, INC. (500 Laser Drive, Somerset, WI, 54025, US)
International Classes:
B23K26/382; B23K26/402; B65B61/02
Attorney, Agent or Firm:
SAWICKI, Z., Peter et al. (Westman, Champlin & Koehler P.A.,900 Second Avenue South, Suite 140, Minneapolis MN, 55402-3319, US)
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