JPS5617780A - Hatch cover device - Google Patents
Hatch cover deviceInfo
- Publication number
- JPS5617780A JPS5617780A JP9378079A JP9378079A JPS5617780A JP S5617780 A JPS5617780 A JP S5617780A JP 9378079 A JP9378079 A JP 9378079A JP 9378079 A JP9378079 A JP 9378079A JP S5617780 A JPS5617780 A JP S5617780A
- Authority
- JP
- Japan
- Prior art keywords
- hatch
- cover
- hatch cover
- bag member
- airtight bag
- 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
Links
Abstract
PURPOSE: To simplify the structure and handling by a method wherein the hatch cover is contained in a hatch coaming on one side in the wound form, is developed to cover the hatch portion, and then compressed air is filled in the hatch cover to close the hatch portion in a watertight condition.
CONSTITUTION: The hatch cover 3 consisting of a rectangular airtight bag member made of a waterproofed material such as rubber is contained, in a wound form, in one of hatch coamings 1 provided on an upper deck so as to surround a hatch 2'. The wound hatch cover 3 is developed by a wire 7 to cover the hatch opening 2, then compressed air is fed into the interior of the airtight bag member 3, and the hatch opening 2 is closed in a watertight condition by the combination of the airtight bag member 3 of the hatch cover and the hatch coamings 1.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9378079A JPS5617780A (en) | 1979-07-25 | 1979-07-25 | Hatch cover device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9378079A JPS5617780A (en) | 1979-07-25 | 1979-07-25 | Hatch cover device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5617780A true JPS5617780A (en) | 1981-02-19 |
Family
ID=14091924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9378079A Pending JPS5617780A (en) | 1979-07-25 | 1979-07-25 | Hatch cover device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5617780A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6347993U (en) * | 1986-09-17 | 1988-03-31 | ||
US6818941B1 (en) | 1999-05-28 | 2004-11-16 | Hitachi, Ltd. | Thin film electron emitter, display device using the same and applied machine |
US10237382B2 (en) | 2013-08-23 | 2019-03-19 | Finewell Co., Ltd. | Mobile telephone |
US10380864B2 (en) | 2014-08-20 | 2019-08-13 | Finewell Co., Ltd. | Watching system, watching detection device, and watching notification device |
US10506343B2 (en) | 2012-06-29 | 2019-12-10 | Finewell Co., Ltd. | Earphone having vibration conductor which conducts vibration, and stereo earphone including the same |
US10778824B2 (en) | 2016-01-19 | 2020-09-15 | Finewell Co., Ltd. | Pen-type handset |
US10778823B2 (en) | 2012-01-20 | 2020-09-15 | Finewell Co., Ltd. | Mobile telephone and cartilage-conduction vibration source device |
US10795321B2 (en) | 2015-09-16 | 2020-10-06 | Finewell Co., Ltd. | Wrist watch with hearing function |
US10848607B2 (en) | 2014-12-18 | 2020-11-24 | Finewell Co., Ltd. | Cycling hearing device and bicycle system |
US11526033B2 (en) | 2018-09-28 | 2022-12-13 | Finewell Co., Ltd. | Hearing device |
-
1979
- 1979-07-25 JP JP9378079A patent/JPS5617780A/en active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6347993U (en) * | 1986-09-17 | 1988-03-31 | ||
US6818941B1 (en) | 1999-05-28 | 2004-11-16 | Hitachi, Ltd. | Thin film electron emitter, display device using the same and applied machine |
US10778823B2 (en) | 2012-01-20 | 2020-09-15 | Finewell Co., Ltd. | Mobile telephone and cartilage-conduction vibration source device |
US10506343B2 (en) | 2012-06-29 | 2019-12-10 | Finewell Co., Ltd. | Earphone having vibration conductor which conducts vibration, and stereo earphone including the same |
US10834506B2 (en) | 2012-06-29 | 2020-11-10 | Finewell Co., Ltd. | Stereo earphone |
US10237382B2 (en) | 2013-08-23 | 2019-03-19 | Finewell Co., Ltd. | Mobile telephone |
US10380864B2 (en) | 2014-08-20 | 2019-08-13 | Finewell Co., Ltd. | Watching system, watching detection device, and watching notification device |
US10848607B2 (en) | 2014-12-18 | 2020-11-24 | Finewell Co., Ltd. | Cycling hearing device and bicycle system |
US11601538B2 (en) | 2014-12-18 | 2023-03-07 | Finewell Co., Ltd. | Headset having right- and left-ear sound output units with through-holes formed therein |
US10795321B2 (en) | 2015-09-16 | 2020-10-06 | Finewell Co., Ltd. | Wrist watch with hearing function |
US10778824B2 (en) | 2016-01-19 | 2020-09-15 | Finewell Co., Ltd. | Pen-type handset |
US11526033B2 (en) | 2018-09-28 | 2022-12-13 | Finewell Co., Ltd. | Hearing device |
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