JPS5617780A - Hatch cover device - Google Patents

Hatch cover device

Info

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
Application number
JP9378079A
Other languages
Japanese (ja)
Inventor
Katsumi Suzaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP9378079A priority Critical patent/JPS5617780A/en
Publication of JPS5617780A publication Critical patent/JPS5617780A/en
Pending legal-status Critical Current

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
JP9378079A 1979-07-25 1979-07-25 Hatch cover device Pending JPS5617780A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (12)

* Cited by examiner, † Cited by third party
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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