JPS5320963A - Cover glass for wristwatch - Google Patents

Cover glass for wristwatch

Info

Publication number
JPS5320963A
JPS5320963A JP9567176A JP9567176A JPS5320963A JP S5320963 A JPS5320963 A JP S5320963A JP 9567176 A JP9567176 A JP 9567176A JP 9567176 A JP9567176 A JP 9567176A JP S5320963 A JPS5320963 A JP S5320963A
Authority
JP
Japan
Prior art keywords
wristwatch
cover glass
crosslinking density
hygroscopic
resin
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
JP9567176A
Other languages
Japanese (ja)
Inventor
Makoto Hirano
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP9567176A priority Critical patent/JPS5320963A/en
Publication of JPS5320963A publication Critical patent/JPS5320963A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

PURPOSE: The surface hardness of resin is markedly improved without impairing the anti-fogging performance of conventional hygroscopic resins by providing a gradient to the crosslinking density toward the inside of a hydrophylic hygroscopic resin layer and increasing the crosslinking density of the surface.
COPYRIGHT: (C)1978,JPO&Japio
JP9567176A 1976-08-11 1976-08-11 Cover glass for wristwatch Pending JPS5320963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9567176A JPS5320963A (en) 1976-08-11 1976-08-11 Cover glass for wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9567176A JPS5320963A (en) 1976-08-11 1976-08-11 Cover glass for wristwatch

Publications (1)

Publication Number Publication Date
JPS5320963A true JPS5320963A (en) 1978-02-25

Family

ID=14143953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9567176A Pending JPS5320963A (en) 1976-08-11 1976-08-11 Cover glass for wristwatch

Country Status (1)

Country Link
JP (1) JPS5320963A (en)

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