JPS5570976A - Magnetic tape cartridge - Google Patents

Magnetic tape cartridge

Info

Publication number
JPS5570976A
JPS5570976A JP14452578A JP14452578A JPS5570976A JP S5570976 A JPS5570976 A JP S5570976A JP 14452578 A JP14452578 A JP 14452578A JP 14452578 A JP14452578 A JP 14452578A JP S5570976 A JPS5570976 A JP S5570976A
Authority
JP
Japan
Prior art keywords
molded
guide roller
magnetic tape
tape
main body
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
JP14452578A
Other languages
Japanese (ja)
Inventor
Norio Arakawa
Katsuo Maehara
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.)
Toray Industries Inc
Maxell Ltd
Original Assignee
Toray Industries Inc
Hitachi Maxell 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 Toray Industries Inc, Hitachi Maxell Ltd filed Critical Toray Industries Inc
Priority to JP14452578A priority Critical patent/JPS5570976A/en
Publication of JPS5570976A publication Critical patent/JPS5570976A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make smooth the tape run, by specifying the type of material of the guide roller of magnetic tape.
CONSTITUTION: The guide roller a suspending and guiding the magnetic tape 3 wound on a pair of tape reels 2 left and right mounted in rotary free in the main body case 1 molded with ABS conventionally, is molded in longer cylinder with PBT resin which is the polyester consisting of the telephthalic acid and 1,4-butanediol condensate, 1.35W1.75 in relative viscossity (measured at 25°C, polymer concentration of 0.5% in orthochrolophenol solvent) degree of polymerization, and it is inserted and borne movably in the roller shaft 4 molded and implanted incorporatedly with the inner bottom surface of the main body case 1. Thus, the guide roller a shows excellent size stability (water absorption), wear proof, and solvent solubility performance, and sufficient durability can be given to the cartridge.
COPYRIGHT: (C)1980,JPO&Japio
JP14452578A 1978-11-22 1978-11-22 Magnetic tape cartridge Pending JPS5570976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14452578A JPS5570976A (en) 1978-11-22 1978-11-22 Magnetic tape cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14452578A JPS5570976A (en) 1978-11-22 1978-11-22 Magnetic tape cartridge

Publications (1)

Publication Number Publication Date
JPS5570976A true JPS5570976A (en) 1980-05-28

Family

ID=15364350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14452578A Pending JPS5570976A (en) 1978-11-22 1978-11-22 Magnetic tape cartridge

Country Status (1)

Country Link
JP (1) JPS5570976A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6448774U (en) * 1987-09-18 1989-03-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6448774U (en) * 1987-09-18 1989-03-27

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