Title:
METHOD FOR CONTROLLING HOT AIR JOINT HEATER
Document Type and Number:
WIPO Patent Application WO/2023/127916
Kind Code:
A1
Abstract:
[Problem] To provide a method for controlling a hot air joint heater that can easily control the hot air temperature, hot air volume, and air pressure, and that can improve joining productivity of asphalt joints. [Solution] An ON/OFF circuit for a spark-plug ignition 23 and a timer relay circuit 24 are connected to a first relay circuit 20, and a temperature controller 26 is also connected thereto via an open/close relay circuit of a gas valve 27. Furthermore, supplying and stopping gas to a side heater 11 and ignition of the spark plug are performed only by turning at least one toggle switch 18 on and off, and opening/closing operation of the gas valve 27 is automatically controlled by a signal from the temperature controller 26.
Inventors:
KURATA ATSUSHI (JP)
Application Number:
PCT/JP2022/048376
Publication Date:
July 06, 2023
Filing Date:
December 27, 2022
Export Citation:
Assignee:
KENKI MAINTENANCE CO LTD (JP)
International Classes:
E01C19/48
Foreign References:
| JP2006249899A | 2006-09-21 | |||
| JP3212830U | 2017-10-05 | |||
| JPH08239804A | 1996-09-17 | |||
| JP2008202302A | 2008-09-04 | |||
| JP2019007349A | 2019-01-17 | |||
| JP2004084345A | 2004-03-18 | |||
| JP2000054312A | 2000-02-22 | |||
| JPH11247127A | 1999-09-14 |
Attorney, Agent or Firm:
ETO LAW & PATENT OFFICE CORP. (JP)
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