Title:
SHEARING DEVICE FOR LARGE AIRPLANE DISASSEMBLY AND WORK VEHICLE FOR LARGE AIRPLANE DISASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2019/167339
Kind Code:
A1
Abstract:
The purpose of the invention is to provide a shearing device for large airplane disassembly suitable for disassembling airplanes such as passenger aircraft or the like that use strong aluminum alloys or the like. The shearing device comprises: a first jaw shearing blade that comprises a distal end blade, the tip of which is inserted into the object to be sheared, a pair of first parallel shearing blades bent into an obtuse angle with respect to the direction that the distal end blade is inserted and disposed on both faces of the blade in the width direction, and a pair of second parallel sharing blades bent into an obtuse angle with respect to the first parallel shearing blade mounting unit and disposed on both faces of the blade in the width direction; and a second jaw shearing blade comprising a receiving blade for these shearing blades. The distal end blade comprises: a tip blade comprising an edge and a pair of distal end tapered blades on both sides of the edge and for which the blade width increases toward the rear end; and a pair of tapered blades disposed across the first parallel shearing blades by bending in an obtuse angle with respect to the mounting unit on the rear end section of the distal end tapered blades.
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Inventors:
TAKAKURA YOSHIAKI (JP)
Application Number:
PCT/JP2018/040307
Publication Date:
September 06, 2019
Filing Date:
October 30, 2018
Export Citation:
Assignee:
NIHON SOUGOU RECYCLE CO LTD (JP)
International Classes:
B23D25/14; B23D17/00; E02F3/36; E04G23/08
Foreign References:
| JPH11505772A | 1999-05-25 | |||
| DE4205781A1 | 1993-09-02 | |||
| US20150308075A1 | 2015-10-29 | |||
| JP2011036981A | 2011-02-24 | |||
| JP2007307646A | 2007-11-29 | |||
| JPH0692705A | 1994-04-05 |
Other References:
See also references of EP 3560646A4
Attorney, Agent or Firm:
HANAMURA, Futoshi (JP)
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