Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TRIGGER TYPE LIQUID SPRAYER
Document Type and Number:
WIPO Patent Application WO/2018/194126
Kind Code:
A1
Abstract:
A trigger type liquid sprayer (1) is provided with a sprayer main body (2) having a vertical supply pipe unit (10), a spray pipe unit (11), and a trigger mechanism (50). The trigger mechanism is provided with a main piston (52) that moves along with a trigger unit (51), and a main cylinder (53) for accommodating the main piston. The sprayer main body is provided with: a retention cylinder (90) to the inside of which a liquid is supplied through the vertical supply pipe; a retention plunger (110) that moves along with the supply of the liquid to the inside of the retention cylinder; a first check valve (36) for blocking linking of a vessel body (A) and the vertical supply pipe unit when pressure is applied within the main cylinder and allowing the linking when pressure is reduced; and a second check valve (102) for allowing linking of a spray hole and the vertical supply pipe unit when pressure is applied within the main cylinder and blocking the linking when pressure is reduced. The trigger type liquid sprayer has, formed between the main piston and the main cylinder, a linking path (180) linking the inside of the main cylinder to the inside of the vessel when the main piston is moved to a non-seated position rearward from the forward most position.

Inventors:
KAKUTA Yoshiyuki (2-6, Ojima 3-chome, Koto-k, Tokyo 31, 〒1368531, JP)
Application Number:
JP2018/016150
Publication Date:
October 25, 2018
Filing Date:
April 19, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YOSHINO KOGYOSHO CO., LTD. (2-6 Ojima 3-chome, Koto-ku Tokyo, 31, 〒1368531, JP)
International Classes:
B05B11/00; B65D47/34; F04B9/14
Domestic Patent References:
WO2017111040A12017-06-29
Foreign References:
JP2016221457A2016-12-28
JP2016209785A2016-12-15
JP2014213296A2014-11-17
JPH09164348A1997-06-24
US20060086763A12006-04-27
JP2017214076A2017-12-07
JP2017213496A2017-12-07
JP2017082872A2017-05-18
JP2016221457A2016-12-28
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
Download PDF: