JPS579590A - Boring method and backing material - Google Patents

Boring method and backing material

Info

Publication number
JPS579590A
JPS579590A JP6952380A JP6952380A JPS579590A JP S579590 A JPS579590 A JP S579590A JP 6952380 A JP6952380 A JP 6952380A JP 6952380 A JP6952380 A JP 6952380A JP S579590 A JPS579590 A JP S579590A
Authority
JP
Japan
Prior art keywords
backing material
boring method
boring
backing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6952380A
Other languages
Japanese (ja)
Inventor
Curtiss Gilmore Howard
Lester W Jordan
Chester E Yaworsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/968,594 external-priority patent/US4239954A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of JPS579590A publication Critical patent/JPS579590A/en
Pending legal-status Critical Current

Links

Landscapes

  • Welding Or Cutting Using Electron Beams (AREA)
  • Laser Beam Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
JP6952380A 1978-12-11 1980-05-23 Boring method and backing material Pending JPS579590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/968,594 US4239954A (en) 1978-12-11 1978-12-11 Backer for electron beam hole drilling

Publications (1)

Publication Number Publication Date
JPS579590A true JPS579590A (en) 1982-01-19

Family

ID=26066328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6952380A Pending JPS579590A (en) 1978-12-11 1980-05-23 Boring method and backing material

Country Status (5)

Country Link
JP (1) JPS579590A (en)
DK (1) DK206180A (en)
IL (1) IL60092A (en)
IT (1) IT1130760B (en)
NO (1) NO801432L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536879A (en) * 2006-01-27 2009-10-22 ザ エクス ワン カンパニー Rear wall protection from laser by shielding with particulate material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54131544A (en) * 1978-03-24 1979-10-12 United Technologies Corp Hole drilling method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54131544A (en) * 1978-03-24 1979-10-12 United Technologies Corp Hole drilling method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536879A (en) * 2006-01-27 2009-10-22 ザ エクス ワン カンパニー Rear wall protection from laser by shielding with particulate material

Also Published As

Publication number Publication date
IL60092A0 (en) 1980-07-31
NO801432L (en) 1981-11-16
IT8022317A0 (en) 1980-05-26
IL60092A (en) 1982-09-30
DK206180A (en) 1981-11-13
IT1130760B (en) 1986-06-18

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