Shower head

Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Sleeve-type grip

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C239S525000, C239S556000, C239S558000, C239S562000, C239S590000

Reexamination Certificate

active

07364097

ABSTRACT:
A water-saving type shower head operable to reduce flow volume while maintaining a high discharge pressure. A diameter-reduced water passage19of a flow control member20disposed in a head portion22of a shower head body12has a first and a second water passage portions40and41provided on an entry side and an exit side thereof, respectively. The first water passage portion40has a small diameter, and the second water passage portion41has an inside diameter which is 1.5 to 3 times that of the first water passage portion40. On an upstream side of the first water passage portion40, a tapered diameter-reduced portion43reduced in diameter in a flow direction is formed, and on a downstream side of the second water passage portion41, a diameter-increased portion45increased in diameter in the flow direction is formed.

REFERENCES:
patent: RE25447 (1963-09-01), Hjulian
patent: 3138332 (1964-06-01), Hinderer
patent: 4135670 (1979-01-01), Sugimoto
patent: 4184638 (1980-01-01), Ogasawara et al.
patent: 4666085 (1987-05-01), Liaw
patent: 6267301 (2001-07-01), Haruch
patent: 6739527 (2004-05-01), Chung
patent: 6852236 (2005-02-01), Holt et al.
patent: 6905082 (2005-06-01), Wu
patent: 7044405 (2006-05-01), Kawazoe et al.
patent: 1 232 801 (2002-08-01), None
patent: 2088246 (1982-06-01), None
patent: 06-24067 (1994-03-01), None
patent: 2670509 (1997-07-01), None
patent: 11-057535 (1999-03-01), None
patent: 2005319449 (2005-11-01), None
European Search Report dated Oct. 9, 2006 of EP 05026520.6.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Shower head does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shower head, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shower head will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2772268

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.