Title:
HOLE PROCESSING APPARATUS AND PROCESSING METHOD FOR OPTICAL FILMS
Document Type and Number:
WIPO Patent Application WO/2020/096223
Kind Code:
A1
Abstract:
The present invention relates to a hole processing apparatus and processing method for optical films. According to an aspect of the present invention, there is provided a hole processing apparatus for optical films, comprising: a clamping unit for fixing a plurality of sheets of optical films in the state of being stacked; and a processing unit for performing a hole operation in predetermined regions of the optical films to sequentially pass through the plurality of sheets of optical films along the stack direction, in a state where the optical films are fixed to the clamping portion, wherein the processing unit, during hole operations, includes a drill unit provided to perform a first hole processing operation and a bite unit provided to perform a second hole operation in a first hole operation region.
Inventors:
WE SEONG YONG (KR)
HWANG SUNG WOOK (KR)
LIM BUM SEUNG (KR)
CHOI BYEONG CHAN (KR)
PARK SEUL KI (KR)
MUN YE JIN (KR)
SONG WOO YONG (KR)
ZHANG ZI SHUO (KR)
HWANG SUNG WOOK (KR)
LIM BUM SEUNG (KR)
CHOI BYEONG CHAN (KR)
PARK SEUL KI (KR)
MUN YE JIN (KR)
SONG WOO YONG (KR)
ZHANG ZI SHUO (KR)
Application Number:
PCT/KR2019/013806
Publication Date:
May 14, 2020
Filing Date:
October 21, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B26F1/16; B23B51/02; B26D7/01; B26D7/02; G02B5/30
Foreign References:
| JPH08323697A | 1996-12-10 | |||
| US20150351240A1 | 2015-12-03 | |||
| JP2002036185A | 2002-02-05 | |||
| JP2001170894A | 2001-06-26 | |||
| KR20110061326A | 2011-06-09 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF: