JPS55160881A - Plastic case for wrist watch - Google Patents

Plastic case for wrist watch

Info

Publication number
JPS55160881A
JPS55160881A JP3288279A JP3288279A JPS55160881A JP S55160881 A JPS55160881 A JP S55160881A JP 3288279 A JP3288279 A JP 3288279A JP 3288279 A JP3288279 A JP 3288279A JP S55160881 A JPS55160881 A JP S55160881A
Authority
JP
Japan
Prior art keywords
wrist watch
plastic case
carbon
mixture
base material
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
JP3288279A
Other languages
Japanese (ja)
Inventor
Akira Kikuyama
Takeo Suzuki
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.)
Ricoh Elemex Corp
Ricoh Co Ltd
Original Assignee
Ricoh Elemex Corp
Ricoh Co 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 Ricoh Elemex Corp, Ricoh Co Ltd filed Critical Ricoh Elemex Corp
Priority to JP3288279A priority Critical patent/JPS55160881A/en
Publication of JPS55160881A publication Critical patent/JPS55160881A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/22—Writing-cores gripping means, e.g. chucks

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To prevent the static charging on plastic by employing the mixture of conductive powder such as metal and carbon in the plastics as the base material of the wrist watch.
CONSTITUTION: The base material of ABS, epoxy, polyester, acryl, polycarbonate or nylon phenol is mixed with bronze, silver, aluminum, carbon and the like. The mixture is molded to form a wrist watch case. This can provide the static charging preventing effect simply.
COPYRIGHT: (C)1980,JPO&Japio
JP3288279A 1979-03-20 1979-03-20 Plastic case for wrist watch Pending JPS55160881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3288279A JPS55160881A (en) 1979-03-20 1979-03-20 Plastic case for wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3288279A JPS55160881A (en) 1979-03-20 1979-03-20 Plastic case for wrist watch

Publications (1)

Publication Number Publication Date
JPS55160881A true JPS55160881A (en) 1980-12-15

Family

ID=12371237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3288279A Pending JPS55160881A (en) 1979-03-20 1979-03-20 Plastic case for wrist watch

Country Status (1)

Country Link
JP (1) JPS55160881A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232332A1 (en) * 1981-08-31 1983-03-10 Pentel K.K., Tokyo MECHANICAL PENCIL
DE3637875A1 (en) * 1986-11-06 1988-05-19 Montblanc Simplo Gmbh Writing instrument with writing refill for writing media in liquid or paste form which can be accommodated therein and replaced
EP0372997A2 (en) * 1988-12-08 1990-06-13 Ncr International Inc. Static dissipation in a printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232332A1 (en) * 1981-08-31 1983-03-10 Pentel K.K., Tokyo MECHANICAL PENCIL
DE3637875A1 (en) * 1986-11-06 1988-05-19 Montblanc Simplo Gmbh Writing instrument with writing refill for writing media in liquid or paste form which can be accommodated therein and replaced
EP0372997A2 (en) * 1988-12-08 1990-06-13 Ncr International Inc. Static dissipation in a printer

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