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CAN-OPENERS A light engineering firm in the north of England had difficulty in obtaining the type of steel they required for the manufacture of can-opener blades: An alternative grade of steel was tried which it was hoped would prove suitable if heat-treated, but the results were not satisfactory. The firm consulted IGI General Chemicals Division, who maintain a heat treatment section at Oldbury as part of their service to the engineering industry. Sample blades sent to Oldbury for examination were first tested for surface hardness and their internal structure was then examined under a microscope. The next step was to heat-treat unhardened blades experimentally in a bath containing molten sodium cyanide; Four diflerent methods of treatment were tried to enable the manufacturers to determine the most suitable: The blades produced by one of these methods proved entirely satisfactory: Demonstrated at the firm S works by an ICI: technical service man, this heat treatment process enabled the manufacturer to con- tinue production and maintain the quality of his products. ICL IMPERIAL CHEMICAL INDUSTRIES (NZ) LTD: Atakton ANTI-Shrink BLOUSES STYLED B Y Tescc

This article text was automatically generated and may include errors. View the full page to see article in its original form.I whakaputaina aunoatia ēnei kuputuhi tuhinga, e kitea ai pea ētahi hapa i roto. Tirohia te whārangi katoa kia kitea te āhuatanga taketake o te tuhinga.
Permanent link to this item
Hononga pūmau ki tēnei tūemi

https://paperspast.natlib.govt.nz/periodicals/NZLIST19540827.2.21.1

Bibliographic details
Ngā taipitopito pukapuka

New Zealand Listener, Volume 31, Issue 788, 27 August 1954, Page 10

Word count
Tapeke kupu
181

Page 10 Advertisement 1 New Zealand Listener, Volume 31, Issue 788, 27 August 1954, Page 10

Page 10 Advertisement 1 New Zealand Listener, Volume 31, Issue 788, 27 August 1954, Page 10

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