JPS56101893A - System for detecting existence of seal - Google Patents

System for detecting existence of seal

Info

Publication number
JPS56101893A
JPS56101893A JP419780A JP419780A JPS56101893A JP S56101893 A JPS56101893 A JP S56101893A JP 419780 A JP419780 A JP 419780A JP 419780 A JP419780 A JP 419780A JP S56101893 A JPS56101893 A JP S56101893A
Authority
JP
Japan
Prior art keywords
detector
package box
seal
detects
detectors
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
JP419780A
Other languages
Japanese (ja)
Inventor
Isamu Horii
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.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical 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 Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Priority to JP419780A priority Critical patent/JPS56101893A/en
Publication of JPS56101893A publication Critical patent/JPS56101893A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To detect the existence of the seal correctly without necessitating a cooperating mechanism with a transferring mechanism by a method wherein the discrimination of an indicating area and the detection of the seal are effected by respective detectors arranged on the transferring path of a package box.
CONSTITUTION: Three sets of photoelectric detectors S1, S2, S3 are arranged at required places on the transferring path of the package box, and the photoelectric detector S2 located at a place after the transferring direction of the package box 1 among them is for detecting a letter or a figure sealed in the indicating area N and the reflection type photoelectric detector is utilized. In case the detectors S1WS3 are arranged in such a manner, when the detector S1 detects the fore end of the package box 1, the detector S2 detects the fore end of an allowance range P in the indicating area N, and when the detector S3 detects the fore end of the package box 1, the detector S2 detects the aft end of the allowance range P. By only arranging the three detectors, the existence of the seal may be detected correctly regradless of the movement of the transferring mechanism for the objective article.
COPYRIGHT: (C)1981,JPO&Japio
JP419780A 1980-01-17 1980-01-17 System for detecting existence of seal Pending JPS56101893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP419780A JPS56101893A (en) 1980-01-17 1980-01-17 System for detecting existence of seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP419780A JPS56101893A (en) 1980-01-17 1980-01-17 System for detecting existence of seal

Publications (1)

Publication Number Publication Date
JPS56101893A true JPS56101893A (en) 1981-08-14

Family

ID=11577941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP419780A Pending JPS56101893A (en) 1980-01-17 1980-01-17 System for detecting existence of seal

Country Status (1)

Country Link
JP (1) JPS56101893A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488480A (en) * 1994-02-16 1996-01-30 Cmd Corporation Apparatus and method for detecting a heat seal in a moving plastic film
US5861078A (en) * 1993-08-12 1999-01-19 Cmd Corporation Method and apparatus for detecting a seal on a plastic bag

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5861078A (en) * 1993-08-12 1999-01-19 Cmd Corporation Method and apparatus for detecting a seal on a plastic bag
US5488480A (en) * 1994-02-16 1996-01-30 Cmd Corporation Apparatus and method for detecting a heat seal in a moving plastic film
US5701180A (en) * 1994-02-16 1997-12-23 Cmd Corporation Apparatus and method for detecting a formation in a sheet material

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