JPS5522126A - Surrounding stress cracking meter of container - Google Patents

Surrounding stress cracking meter of container

Info

Publication number
JPS5522126A
JPS5522126A JP9464378A JP9464378A JPS5522126A JP S5522126 A JPS5522126 A JP S5522126A JP 9464378 A JP9464378 A JP 9464378A JP 9464378 A JP9464378 A JP 9464378A JP S5522126 A JPS5522126 A JP S5522126A
Authority
JP
Japan
Prior art keywords
electrodes
container
stress cracking
dish
oven
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
JP9464378A
Other languages
Japanese (ja)
Inventor
Kazuyuki Yokoo
Norio Kobayashi
Takayoshi Ishibe
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.)
Showa Yuka KK
Original Assignee
Showa Yuka 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 Showa Yuka KK filed Critical Showa Yuka KK
Priority to JP9464378A priority Critical patent/JPS5522126A/en
Publication of JPS5522126A publication Critical patent/JPS5522126A/en
Pending legal-status Critical Current

Links

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  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

PURPOSE: To make automatic and proper the measurement of surrouding stress cracking of a thermoplastic resin by arranging two kinds of electrodes at a spacing on an insulator.
CONSTITUTION: Two kinds of electrodes 7 and 8 made of conductive metal are arranged in combination in the form of a comb under a non-contact condition upon an insulating plate 6 which is made of such a refractory material as is free from the surrounding stress cracking. This device is placed in the dish 4 of an oven and is charged with an aqueous solution 2 of a surface reacting agent. A container 1 of a termoplastic resin, which has its mouth portion sealed with a molten resin 3, is placed in the dish 4. The measurement in the oven is advanced under the condition having a suitable voltage applied between the electrodes 6 and 7. If a cracking is generated in the container 1, the aqueous solution 2 leaks out. This solution reaches as far as the bottom of the container 1 so that even one portion connects the electrodes on the side of the insulating plate 6. Then, a current flows between the electrodes to operate a relay through a lead wire 9 so that the counter is stopped.
COPYRIGHT: (C)1980,JPO&Japio
JP9464378A 1978-08-04 1978-08-04 Surrounding stress cracking meter of container Pending JPS5522126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9464378A JPS5522126A (en) 1978-08-04 1978-08-04 Surrounding stress cracking meter of container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9464378A JPS5522126A (en) 1978-08-04 1978-08-04 Surrounding stress cracking meter of container

Publications (1)

Publication Number Publication Date
JPS5522126A true JPS5522126A (en) 1980-02-16

Family

ID=14115934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9464378A Pending JPS5522126A (en) 1978-08-04 1978-08-04 Surrounding stress cracking meter of container

Country Status (1)

Country Link
JP (1) JPS5522126A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60501445A (en) * 1983-02-11 1985-09-05 シュヴァイツェリッシェ・アルミニウム・アクチェンゲゼルシャフト Porous ceramic filter and its manufacturing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507485B2 (en) * 1972-03-28 1975-03-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507485B2 (en) * 1972-03-28 1975-03-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60501445A (en) * 1983-02-11 1985-09-05 シュヴァイツェリッシェ・アルミニウム・アクチェンゲゼルシャフト Porous ceramic filter and its manufacturing method

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