JPS6421196A - Auger screw - Google Patents

Auger screw

Info

Publication number
JPS6421196A
JPS6421196A JP17661187A JP17661187A JPS6421196A JP S6421196 A JPS6421196 A JP S6421196A JP 17661187 A JP17661187 A JP 17661187A JP 17661187 A JP17661187 A JP 17661187A JP S6421196 A JPS6421196 A JP S6421196A
Authority
JP
Japan
Prior art keywords
blade
screw
pipe
diameter
periphery
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
JP17661187A
Other languages
Japanese (ja)
Inventor
Kunio Yanajima
Masami Tominaga
Akira Oshima
Original Assignee
Nippon Concrete Ind 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 Nippon Concrete Ind Co Ltd filed Critical Nippon Concrete Ind Co Ltd
Priority to JP17661187A priority Critical patent/JPS6421196A/en
Publication of JPS6421196A publication Critical patent/JPS6421196A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To change a screw diameter just by blade pipe exchange, to reduce cost and to facilitate repairing by freely fittably and detachably attaching a blade pipe to which a screw blade is fixed to the outer periphery of an auger shaft provided with female and male joints on end parts. CONSTITUTION: To the outer periphery of the auger shaft 1 composed of a steel pipe for which the male joint 2 and the female joint 3 are attached to upper and lower end parts by welding, the blade pipe 4 composed of the steel pipe for which the screw blades 5 of the various kinds of diameters are fixed to the outer periphery is freely fittably and detachably fixed through the male and female joints 2 and 3 and bolts 6. Then, when changing the screw diameter or repairing a damaged blade, only by performing exchange with a new blade pipe 4 provided with the screw blade 5 of a desired diameter, the change of the diameter or repairing is easily performed and manufacture cost is substantially reduced.
JP17661187A 1987-07-15 1987-07-15 Auger screw Pending JPS6421196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17661187A JPS6421196A (en) 1987-07-15 1987-07-15 Auger screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17661187A JPS6421196A (en) 1987-07-15 1987-07-15 Auger screw

Publications (1)

Publication Number Publication Date
JPS6421196A true JPS6421196A (en) 1989-01-24

Family

ID=16016594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17661187A Pending JPS6421196A (en) 1987-07-15 1987-07-15 Auger screw

Country Status (1)

Country Link
JP (1) JPS6421196A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912491A (en) * 2015-05-20 2015-09-16 太原理工大学 Automatic-rotating rapid dismounting and mounting type spiral drill rod

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758795A (en) * 1980-09-22 1982-04-08 Hajime Matsuzawa Excavating rod body with stretching leader rod
JPS6126790B2 (en) * 1977-04-07 1986-06-21 Dow Chemical Co

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126790B2 (en) * 1977-04-07 1986-06-21 Dow Chemical Co
JPS5758795A (en) * 1980-09-22 1982-04-08 Hajime Matsuzawa Excavating rod body with stretching leader rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912491A (en) * 2015-05-20 2015-09-16 太原理工大学 Automatic-rotating rapid dismounting and mounting type spiral drill rod

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