Patents Assigned to Siseido Co., Ltd.
  • Patent number: 4598865
    Abstract: This invention relates to an improved sprayer cap structure associated with a neck portion of a bottle-shaped container for providing a liquid spraying operation or a liquid streaming operation. The sprayer cap includes an inner plug integrally formed adjacently with first and second hollow cylindrical portions in a top-walled cylindrical section. The cylindrical section is perforated with a first hole communicating with the bottom of the container through a pipe, and is also formed with a first valve chamber provided with a blocking valve at the upper position thereof and with a check valve at the lower position thereof. The cylindrical section further is perforated with a second hole and a third hole spaced longitudinally, and formed with a second valve chamber under the second hole, the second valve chamber being provided with a blocking valve at the upper position thereof. A nozzle unit is formed with a spinner slot capable of communicating with the first and second holes of the inner plug.
    Type: Grant
    Filed: October 10, 1984
    Date of Patent: July 8, 1986
    Assignees: Siseido Co., Ltd., Yoshino Kogyosho Co., Ltd.
    Inventors: Masami Hamaguchi, Toshio Taguchi, Takamitsu Nozawa, Riichi Ogawa