JPS57127835A - Detecting method of crack in veneer of decorative board wherein veneer is used - Google Patents

Detecting method of crack in veneer of decorative board wherein veneer is used

Info

Publication number
JPS57127835A
JPS57127835A JP1367281A JP1367281A JPS57127835A JP S57127835 A JPS57127835 A JP S57127835A JP 1367281 A JP1367281 A JP 1367281A JP 1367281 A JP1367281 A JP 1367281A JP S57127835 A JPS57127835 A JP S57127835A
Authority
JP
Japan
Prior art keywords
veneer
ions
bonding agent
detecting device
board
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
JP1367281A
Other languages
Japanese (ja)
Inventor
Munehiko Ito
Kazumi Sugio
Mamoru Hayashi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP1367281A priority Critical patent/JPS57127835A/en
Publication of JPS57127835A publication Critical patent/JPS57127835A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To detect the cracks in veneer in the smoothly planed board by detecting a metal mixed in a bonding agent by a metal detecting device. CONSTITUTION:The bonding agent, wherein metallic ions such as iron ions, sodium ions, and aluminum ions, or iron powder, aluminum powder, and the like are mixed, is applied on the surface of a base plate 1 such as plywood and particle board. The VENEER 3, which is obtained by sawing material wood, such as pine, cedar, and rose, is placed thereon, and the smoothly planed board 4 wherein the VENEER is attached is obtained. The smoothly planed board 4 manufactured in this way is passed in the metal detecting device 5. Then the metallic ions or metallic powder at the part where the bonding agent layer is exposed through the split 6 in the single wooden plate 3 is reacted with the radiowave generated from an oscillator 7 in the metal detecting device. Said reaction is converted into an electric signal and a warning device 8 is actuated.
JP1367281A 1981-01-30 1981-01-30 Detecting method of crack in veneer of decorative board wherein veneer is used Pending JPS57127835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1367281A JPS57127835A (en) 1981-01-30 1981-01-30 Detecting method of crack in veneer of decorative board wherein veneer is used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1367281A JPS57127835A (en) 1981-01-30 1981-01-30 Detecting method of crack in veneer of decorative board wherein veneer is used

Publications (1)

Publication Number Publication Date
JPS57127835A true JPS57127835A (en) 1982-08-09

Family

ID=11839679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1367281A Pending JPS57127835A (en) 1981-01-30 1981-01-30 Detecting method of crack in veneer of decorative board wherein veneer is used

Country Status (1)

Country Link
JP (1) JPS57127835A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829462A (en) * 1971-08-18 1973-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829462A (en) * 1971-08-18 1973-04-19

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