JPS6424760A - Preparation of printing wire - Google Patents

Preparation of printing wire

Info

Publication number
JPS6424760A
JPS6424760A JP18087687A JP18087687A JPS6424760A JP S6424760 A JPS6424760 A JP S6424760A JP 18087687 A JP18087687 A JP 18087687A JP 18087687 A JP18087687 A JP 18087687A JP S6424760 A JPS6424760 A JP S6424760A
Authority
JP
Japan
Prior art keywords
printing pin
connection hole
diameter
wire
temp
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.)
Granted
Application number
JP18087687A
Other languages
Japanese (ja)
Other versions
JPH0518712B2 (en
Inventor
Kazunao Kinugawa
Kiyomitsu Suga
Hitoshi Ito
Haruo Inoue
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.)
Seikosha KK
Original Assignee
Seikosha KK
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 Seikosha KK filed Critical Seikosha KK
Priority to JP18087687A priority Critical patent/JPS6424760A/en
Publication of JPS6424760A publication Critical patent/JPS6424760A/en
Publication of JPH0518712B2 publication Critical patent/JPH0518712B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies
    • B41J2/25—Print wires
    • B41J2/26—Connection of print wire and actuator

Landscapes

  • Impact Printers (AREA)

Abstract

PURPOSE:To contract the diameter of a connection hole enlarged by plastic processing by shape memory effect and to strongly connect a printing pin and wire, by inserting the wire in the connection hole of the printing pin to heat the printing pin to temp. equal to or higher than a transformation point or more. CONSTITUTION:A printing pin 1 is formed from a shape memory alloy composed of a titanium-nickel alloy composition containing 50 atomic % of Ni. A connection hole 1a is formed to the printing pin 1 but the inner diameter (a) of the connection hole is smaller than the diameter (b) of a wire 2 to be inserted. The printing pin is subjected to unidirectional memory treatment by ageing treatment at temp. equal to or higher than a phase transformation finish point, for example, at 500 deg.C for 1hr. Apparent plastic processing is applied to the connection hole 1a of the printing pin 1 at temp. equal to or less than the phase transformation point of the shape memory alloy to enlarge the diameter of the connection hole to a diameter A having a size making it possible to insert the wire 2. The printing pin 1 is heated to temp. equal to or higher than the phase transformation temp. of the shape memory alloy, for example, to 150 deg.C. The diameter of the connection hole 1a is contracted by shape memory effect and the printing pin 1 and the wire 12 are connected in an undetachable manner.
JP18087687A 1987-07-20 1987-07-20 Preparation of printing wire Granted JPS6424760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18087687A JPS6424760A (en) 1987-07-20 1987-07-20 Preparation of printing wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18087687A JPS6424760A (en) 1987-07-20 1987-07-20 Preparation of printing wire

Publications (2)

Publication Number Publication Date
JPS6424760A true JPS6424760A (en) 1989-01-26
JPH0518712B2 JPH0518712B2 (en) 1993-03-12

Family

ID=16090883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18087687A Granted JPS6424760A (en) 1987-07-20 1987-07-20 Preparation of printing wire

Country Status (1)

Country Link
JP (1) JPS6424760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8360914B2 (en) 2008-12-15 2013-01-29 Kabushiki Kaisha F.C.C. Power transmitting apparatuses
US8413546B2 (en) 2008-12-15 2013-04-09 Kabushiki Kaisha F.O.C. Power transmitting apparatuses

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864452U (en) * 1981-10-27 1983-04-30 日立工機株式会社 dot printer print hammer
JPS6110845U (en) * 1984-06-25 1986-01-22 シチズン時計株式会社 Wire for impact dot printing head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864452U (en) * 1981-10-27 1983-04-30 日立工機株式会社 dot printer print hammer
JPS6110845U (en) * 1984-06-25 1986-01-22 シチズン時計株式会社 Wire for impact dot printing head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8360914B2 (en) 2008-12-15 2013-01-29 Kabushiki Kaisha F.C.C. Power transmitting apparatuses
US8413546B2 (en) 2008-12-15 2013-04-09 Kabushiki Kaisha F.O.C. Power transmitting apparatuses

Also Published As

Publication number Publication date
JPH0518712B2 (en) 1993-03-12

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