WO2010016092A1 - Sprinkler head protection cap - Google Patents

Sprinkler head protection cap Download PDF

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Publication number
WO2010016092A1
WO2010016092A1 PCT/JP2008/002121 JP2008002121W WO2010016092A1 WO 2010016092 A1 WO2010016092 A1 WO 2010016092A1 JP 2008002121 W JP2008002121 W JP 2008002121W WO 2010016092 A1 WO2010016092 A1 WO 2010016092A1
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WO
WIPO (PCT)
Prior art keywords
sprinkler head
protective cap
protrusion
extended portion
protection cap
Prior art date
Application number
PCT/JP2008/002121
Other languages
French (fr)
Japanese (ja)
Inventor
千葉亮太郎
Original Assignee
千住スプリンクラー株式会社
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 千住スプリンクラー株式会社 filed Critical 千住スプリンクラー株式会社
Priority to PCT/JP2008/002121 priority Critical patent/WO2010016092A1/en
Publication of WO2010016092A1 publication Critical patent/WO2010016092A1/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems

Definitions

  • the present invention relates to a protective cap for a fire extinguishing sprinkler head.
  • the fire-extinguishing sprinkler head is connected to a fire-extinguishing equipment pipe filled with water, and operates in the event of a fire to spray water to extinguish the fire. If the sprinkler head is subjected to an impact, it may interfere with the internal water stop and cause leakage, or in the worst case, a case that does not operate during a fire.
  • a protective cap is fitted to the sprinkler head during transportation or construction to protect the sprinkler head from external impact (for example, see Patent Documents 1 and 2).
  • the protective cap is provided with a display indicating the positional relationship with the lower surface of the ceiling when the sprinkler head is installed.
  • a step 51 indicating the attachment range is provided on the side surface of the protective cap 50 that is externally mounted on the sprinkler head SH.
  • a line 52 representing an attachment reference is provided at an intermediate position of the step 51, and the installation height of the sprinkler head is adjusted with the line 52 as a reference so that the ceiling lower surface A is positioned within the step 51 that is the attachment range. Is done.
  • the protection cap shown in FIG. 10 has been requested to be improved because it is difficult to see the mounting range and the mounting reference at a construction site where the lighting is dim.
  • the present invention has an object to provide a protective cap for a sprinkler head that has a clear mounting range even when the surroundings are dim and can improve workability when connecting the sprinkler head to a fire extinguishing equipment pipe. Yes.
  • the invention according to claim 1 has a cylindrical shape with a bottom and is externally mounted on the sprinkler head to protect the sprinkler head from an impact during transportation or construction, and the side surface against the ceiling lower surface.
  • a protruding portion extending in the radial direction is formed on the side surface, and the mounting range is represented by the protruding portion. is there.
  • the invention according to claim 2 is a sprinkler head which has a cylindrical shape with a bottom, is externally mounted on the sprinkler head, protects the sprinkler head from impact during transportation and construction, and has a mounting range displayed on the side surface of the ceiling.
  • a sprinkler head protective cap is characterized in that a longitudinal projection protruding radially is formed on a side surface, and a mounting range is formed in a concave shape on the surface of the longitudinal projection.
  • an extended portion whose side surface expands radially along the adjacent vertical protrusion is formed, and a mounting range is formed in a concave shape on the surface of the extended portion.
  • the vertical protrusion or the extended portion provided on the side surface is formed from an end of a bottomed cylindrical opening. 3.
  • a vertical protrusion provided on the side surface or an inclined portion whose height decreases toward the bottom surface at the end opposite to the opening end of the extension portion.
  • the extended portion is provided with an engaging portion with the sprinkler head.
  • the extension portion is provided with means for preventing the sprinkler head from spinning around in the protective cap. It is a protective cap.
  • a removing means for removing the protective cap from the sprinkler head is provided on the bottom surface or a side surface near the bottom surface.
  • the attachment range compared to the conventional protection cap. Became clear.
  • the vertical protrusion is provided on the side surface of the protective cap, and the attachment range is formed in a concave shape on the surface of the vertical protrusion, so that from the tip of the vertical protrusion to the concave bottom.
  • the difference in level is clear compared to the conventional protective cap.
  • the strength of the protective cap was improved by providing the vertical protrusions.
  • the attachment range can be formed in a concave shape on the surface of the extended portion.
  • the protective cap of claim 1 it is possible to show a step representing the mounting reference on the surface, which makes it easier to understand.
  • the vertical protrusion or the extended portion is formed from the end of the bottomed cylindrical opening, so that a step other than the attachment range is not formed on the vertical protrusion or the extended portion. This prevents misidentification of the mounting range.
  • the sprinkler head with the protective cap is attached to the wrench socket. Since it is inserted in and fastened to the connection screw part of the fire extinguishing equipment piping, the vertical projection part of the protective cap or the bottom side of the extension part is inclined so that it can be inserted smoothly when fitted into the wrench socket. .
  • the engagement portion with the sprinkler head is provided in the extension portion, so that it is easy to aim at the engagement portion on the sprinkler head side when the protective cap is fitted into the sprinkler head. .
  • the protective cap when the sprinkler head is connected to the fire-extinguishing equipment pipe by providing the expansion portion with a means for preventing the sprinkler head from spinning in the protective cap, the protective cap is attached. After holding the sprinkler head by hand and screwing it into the pipe connection part to a certain extent, it is tightened using a wrench, so it is possible to prevent the sprinkler head from spinning around in the protective cap when turning the sprinkler head by hand. .
  • the protective cap of the present invention has a bottomed cylindrical shape, and has an effect of protecting the sprinkler head from external force during transportation or construction by fitting the sprinkler head inside.
  • the protective cap is easy to attach to and detach from the sprinkler head, and when attached, it must be made difficult to come off by external force. It is preferable to provide it.
  • the attachment reference is expressed in a concave shape on the surface of the vertical protrusion or the extended portion, and it is possible to display the attachment range and the attachment reference with letters or symbols on the bottom surface of the concave shape portion.
  • the display of characters, symbols, and the like is not limited to the concave shape portion, and may be displayed at other positions.
  • the vertical protrusion and the extended portion formed on the side surface of the protective cap are formed from the end of the bottomed cylindrical opening, but can also be formed to extend from the end of the opening. At that time, an engaging portion with the sprinkler head and means for preventing the sprinkler head from spinning around in the protective cap may be provided in the extended portion.
  • an inclined portion whose height decreases toward the bottom surface at the end opposite to the opening of the protective cap in the protruding portion, the vertical protruding portion, and the extended portion.
  • the inclined portion is formed on the bottom side of the attachment range.
  • a flange portion may be formed or a hole may be drilled, and the hole may be pulled out through a hook-shaped tool. .
  • FIGS. 1 is a side view of the protective cap of Example 1
  • FIG. 2 is a perspective view of the protective cap, sprinkler head, and wrench socket of FIG. 1
  • FIG. 3 is a state in which the sprinkler head is removed from the protective cap, and
  • FIG. The XX cross section shown is shown.
  • the protective cap 1 shown in FIGS. 1 to 4 has a bottomed cylindrical shape.
  • the protective cap 1 is attached to the sprinkler head SH.
  • the inner peripheral diameter of the protective cap 1 is slightly larger than the outer peripheral diameter of the sprinkler head SH accommodated in the protective cap 1.
  • the opening end of the protective cap 1 is in contact with the flange portion of the main body B of the sprinkler head SH.
  • the side surface 2 of the protective cap 1 is provided with a plurality of expansion portions 3 formed to expand in the radial direction, and a concave portion 4 is formed on the outer surface of the expansion portion 3.
  • the concave portion 4 represents the attachment range of the sprinkler head SH, and the positional relationship between the sprinkler head SH and the ceiling lower surface is such that the ceiling lower surface falls within the attachment range represented by the concave portion 4. Show.
  • a line 5 representing an attachment reference is displayed on the side surface 2 in the vicinity of the concave portion 4, and step portions 6 representing the attachment range are provided above and below the line 5 in the same manner as the concave portion 4.
  • An inclined portion 7 is formed at the end on the bottom side of the concave portion 4 of the expansion portion 3, and the expansion portion 3 is not swollen near the bottom surface.
  • the opening side end of the extension 3 is formed so as to extend beyond the opening end of the cap, and a tongue-like body 8 is provided.
  • Two protrusions 10 are provided on the inner surface of the tongue-like body 8 to be engaged with the layered groove 9 formed on the side surface of the flange portion of the main body B of the sprinkler head SH. Are formed in parallel.
  • a protrusion 11 perpendicular to the protrusion 10 is formed between the two protrusions 10.
  • the protrusion 11 is engaged with a wrench groove 12 formed on the side surface of the flange portion of the main body B of the sprinkler head SH.
  • the wrench grooves 12 of the sprinkler head SH are provided at six equal intervals
  • the projections 11 of the protective cap 1 are provided at three equal intervals
  • the number of wrench grooves 12 is a multiple of the projections 11. Yes.
  • the wrench grooves 12 provided in the sprinkler head SH at six locations are alternately wrench grooves 12 ⁇ / b> A engaged with the protrusions 11 of the protective cap 1 and wrench grooves 12 ⁇ / b> B engaged with the protrusions 14 in the wrench socket 13. Is provided.
  • a flange 15 is formed to hook the tool when the protective cap 1 is removed from the sprinkler head SH.
  • the protective cap 1 can be removed from the sprinkler head SH by hooking a tool on the upper surface of the flange 15 and pulling it downward.
  • Example 2 will be described with reference to FIGS. 5 is a side view of the protective cap of Example 2
  • FIG. 6 is a plan view of the protective cap of FIG. 5
  • FIG. 7 is a YY sectional view of FIG. 6, showing a state in which a sprinkler head is fitted therein.
  • symbol is attached
  • the protective cap 21 according to the second embodiment shown in FIGS. 5 to 7 has a bottomed cylindrical shape.
  • the protective cap 21 is attached to the sprinkler head SH.
  • the opening end of the protective cap 21 is in contact with the flange portion of the main body B of the sprinkler head SH.
  • the inner peripheral diameter of the protective cap 21 is slightly larger than the outer peripheral diameter of the sprinkler head SH accommodated in the protective cap 21.
  • a plurality of protrusions 22 are formed on the inner peripheral surface of the protective cap 21, and the protrusions 22 are continuously formed in the vertical direction from the intermediate portion of the inner peripheral surface toward the bottom surface.
  • the tip of the projection 22 is in contact with the outer peripheral surface of the sprinkler head SH accommodated in the protective cap 21, and the sprinkler head SH is held so as not to move in the protective cap 21.
  • the protrusion 23 On the outer peripheral side surface of the protective cap 21, a plurality of hook-shaped projections 23 extending in the horizontal direction in the figure are formed in layers.
  • the protrusion 23 has an opening-side protrusion 23A and a bottom-side protrusion 23B, and a protrusion 23C having a protrusion height lower than that of the protrusions 23A and 23B.
  • the protrusion 23A represents the upper limit of the attachment range
  • the protrusion 23B represents the lower limit of the attachment range.
  • the projecting portion 23A is constructed so that the ceiling lower surface falls within the attachment range.
  • the protrusion 23C is provided at an intermediate position in the above-described attachment range, and represents that the protrusion 23C is used as a reference in the construction.
  • attachment reference may be displayed with characters, or a symbol such as an arrow may be displayed.
  • the bottom surface side of the protrusion 23B is inclined so that the protective cap 21 can be inserted smoothly into the wrench socket when the sprinkler head SH is connected to the fire extinguishing equipment piping as in the first embodiment. I have to.
  • the protruding portion 23 is formed on the entire outer peripheral side surface, but may be partially formed on the outer peripheral side surface as in the extended portion 3 of the first embodiment.
  • Example 3 will be described with reference to FIGS. 8 is a cross-sectional view of the protective cap of Example 3, and FIG. 9 is a plan view of the protective cap of FIG.
  • symbol is attached
  • the protective cap of Example 3 shown in FIGS. 8 and 9 has substantially the same shape as 31 Example 2, and the shape of the inner peripheral portion is the same as that of Example 2, so the same reference numerals are given and description thereof is omitted. .
  • a plurality of vertical protrusions 32 projecting in the radial direction are provided on the outer peripheral side surface of the protective cap 31 of Example 3, and the vertical protrusions 32 are formed from the opening end of the protective cap 31 to the vicinity of the bottom surface.
  • a concave portion 33 similar to the concave portion 4 of the first embodiment is formed in an intermediate portion of the vertical protrusion 32.
  • an inclination 34 similar to the inclined portion 7 of the first embodiment is formed on the bottom surface side of the vertical protrusion 32.
  • FIG. 1 1 Side view of the protective cap of Example 1 1 is a perspective view of the protective cap, sprinkler head, and wrench socket of FIG. Protective cap of Example 1 (state without sprinkler head) XX cross section shown in FIG. Side view of protective cap of Example 2 Top view of the protective cap of FIG. YY sectional view of FIG. Sectional drawing of the protective cap of Example 3 Top view of protective cap Side view of a conventional protective cap

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

[PROBLEMS] To provide a sprinkler head protection cap which provides a clear mounting range even in an environment of a dark application site and can improve workability when connecting a sprinkler head to a fire extinguisher pipe. [MEANS FOR SOLVING PROBLEMS] A sprinkler head protection cap has a cylindrical shape having a bottom. The protection cap is mounted on a sprinkler head so as to protect the sprinkler head from shock during transportation or application. The protection cap has a side surface indicating a mounting range with respect to the ceiling lower surface. The side surface has a protrusion extending in the radial direction. The protrusion indicates the mounting range.

Description

スプリンクラーヘッドの保護キャップSprinkler head protective cap
本発明は、消火用スプリンクラーヘッドの保護キャップに関するものである。 The present invention relates to a protective cap for a fire extinguishing sprinkler head.
消火用スプリンクラーヘッドは、水が充填された消火設備配管と接続されており、火災の際に作動して水を散布し消火を行なうものである。
スプリンクラーヘッドが衝撃を受けると、内部の止水部に支障をきたして漏れの発生や、最悪の場合火災時に作動しないケースが発生するおそれがある。 The fire-extinguishing sprinkler head is connected to a fire-extinguishing equipment pipe filled with water, and operates in the event of a fire to spray water to extinguish the fire.
If the sprinkler head is subjected to an impact, it may interfere with the internal water stop and cause leakage, or in the worst case, a case that does not operate during a fire.
スプリンクラーヘッドを衝撃から保護するために、運搬時や、施工時にはスプリンクラーヘッドに保護キャップを嵌めて外部の衝撃からスプリンクラーヘッドを保護している（例えば、特許文献１、２参照。）。 In order to protect the sprinkler head from impact, a protective cap is fitted to the sprinkler head during transportation or construction to protect the sprinkler head from external impact (for example, see Patent Documents 1 and 2).
また、保護キャップにはスプリンクラーヘッドの施工の際に天井下面との位置関係を示す表示が設けられている。具体的には図１０に示すようにスプリンクラーヘッドＳＨに外装された保護キャップ５０の側面に取付範囲を示す段差５１が設けられている。段差５１の中間位置には取付基準を表すライン５２が設けられており、該ライン５２を基準として、取付範囲である段差５１内に天井下面Ａが位置するようにスプリンクラーヘッドの設置高さが調節される。
  In addition, the protective cap is provided with a display indicating the positional relationship with the lower surface of the ceiling when the sprinkler head is installed. Specifically, as shown in FIG. 10, a step 51 indicating the attachment range is provided on the side surface of the protective cap 50 that is externally mounted on the sprinkler head SH. A line 52 representing an attachment reference is provided at an intermediate position of the step 51, and the installation height of the sprinkler head is adjusted with the line 52 as a reference so that the ceiling lower surface A is positioned within the step 51 that is the attachment range. Is done.
特開２００１－１５７７２２号公報JP 2001-157722 A 特開２００１－１６１８５２号公報JP 2001-161852 A
図１０に示す保護キャップは、照明の灯りが薄暗い施工現場では取付範囲や取付基準が見えにくく改良が要望されていた。 The protection cap shown in FIG. 10 has been requested to be improved because it is difficult to see the mounting range and the mounting reference at a construction site where the lighting is dim.
そこで本発明では、上記問題に鑑み、周囲が薄暗い場合でも取付範囲が明確でありスプリンクラーヘッドを消火設備配管に接続する際の作業性が改善されるスプリンクラーヘッドの保護キャップを提供することを目的としている。 Therefore, in view of the above problems, the present invention has an object to provide a protective cap for a sprinkler head that has a clear mounting range even when the surroundings are dim and can improve workability when connecting the sprinkler head to a fire extinguishing equipment pipe. Yes.
上記の目的を達成するために、請求項１記載の発明は、有底円筒形状をしておりスプリンクラーヘッドに外装され輸送時や施工時の衝撃からスプリンクラーヘッドを保護し、側面には天井下面に対する取付範囲が表示されているスプリンクラーヘッドの保護キャップにおいて、側面には放射方向へ延出された突起部が形成され、該突起部により取付範囲を表したことを特徴とするスプリンクラーヘッドの保護キャップである。 In order to achieve the above object, the invention according to claim 1 has a cylindrical shape with a bottom and is externally mounted on the sprinkler head to protect the sprinkler head from an impact during transportation or construction, and the side surface against the ceiling lower surface. In the protective cap of the sprinkler head in which the mounting range is indicated, a protruding portion extending in the radial direction is formed on the side surface, and the mounting range is represented by the protruding portion. is there.
請求項２記載の発明は、有底円筒形状をしておりスプリンクラーヘッドに外装され輸送時や施工時の衝撃からスプリンクラーヘッドを保護し、側面には天井下面に対する取付範囲が表示されているスプリンクラーヘッドの保護キャップにおいて、側面には放射方向へ突出された縦突起部が形成され、該縦突起部の表面に取付範囲を凹形状で形成したことを特徴とするスプリンクラーヘッドの保護キャップである。 The invention according to claim 2 is a sprinkler head which has a cylindrical shape with a bottom, is externally mounted on the sprinkler head, protects the sprinkler head from impact during transportation and construction, and has a mounting range displayed on the side surface of the ceiling. In this protective cap, a sprinkler head protective cap is characterized in that a longitudinal projection protruding radially is formed on a side surface, and a mounting range is formed in a concave shape on the surface of the longitudinal projection.
請求項３記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、隣接する縦突起部に沿って側面が放射方向に膨張した拡張部が形成されており、該拡張部の表面に取付範囲を凹形状で形成したことを特徴とする請求項２記載のスプリンクラーヘッドの保護キャップである。 According to a third aspect of the present invention, in the protective cap of the sprinkler head, an extended portion whose side surface expands radially along the adjacent vertical protrusion is formed, and a mounting range is formed in a concave shape on the surface of the extended portion. The sprinkler head protective cap according to claim 2, wherein the protective cap is formed as described above.
請求項４記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、側面に設けられた縦突起部または拡張部は有底円筒形状の開口部端から形成されていることを特徴とする請求項２または３記載のスプリンクラーヘッドの保護キャップである。 According to a fourth aspect of the present invention, in the protective cap of the sprinkler head, the vertical protrusion or the extended portion provided on the side surface is formed from an end of a bottomed cylindrical opening. 3. A protective cap for a sprinkler head according to 3.
請求項５記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、側面に設けられた縦突起部または拡張部の開口部端と逆側の端には底面側に向かって高さが低くなる傾斜部が設けられていることを特徴とする請求項２または３記載のスプリンクラーヘッドの保護キャップである。 According to a fifth aspect of the present invention, in the protective cap of the sprinkler head, a vertical protrusion provided on the side surface or an inclined portion whose height decreases toward the bottom surface at the end opposite to the opening end of the extension portion. The sprinkler head protective cap according to claim 2, wherein a protective cap is provided.
請求項６記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、拡張部にスプリンクラーヘッドとの係合部が設けられていることを特徴とする請求項３記載のスプリンクラーヘッドの保護キャップである。 According to a sixth aspect of the present invention, in the protective cap for the sprinkler head, the extended portion is provided with an engaging portion with the sprinkler head.
請求項７記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、拡張部に保護キャップ内でスプリンクラーヘッドが空回りするのを防止する手段が設けられていることを特徴とする請求項３記載のスプリンクラーヘッドの保護キャップである。 According to a seventh aspect of the present invention, in the protective cap of the sprinkler head, the extension portion is provided with means for preventing the sprinkler head from spinning around in the protective cap. It is a protective cap.
請求項８記載の発明は、前記スプリンクラーヘッドの保護キャップにおいて、底面または底面付近の側面に保護キャップをスプリンクラーヘッドから外すための取外し手段が設けられていることを特徴とする請求項１から３のいずれかに記載のスプリンクラーヘッドの保護キャップである。
  According to an eighth aspect of the present invention, in the protective cap of the sprinkler head, a removing means for removing the protective cap from the sprinkler head is provided on the bottom surface or a side surface near the bottom surface. The sprinkler head protective cap according to any one of the above.
　請求項１記載の発明によれば、保護キャップの側面に放射方向に延出された突起部を設け、該突起部を取付範囲の表示として用いたことにより、従来の保護キャップに比べて取付範囲が明確になった。 According to the first aspect of the present invention, by providing a protrusion extending in the radial direction on the side surface of the protective cap and using the protrusion as an indication of the attachment range, the attachment range compared to the conventional protection cap. Became clear.
　請求項２記載の発明によれば、保護キャップの側面に縦突起部を設けて該縦突起部の表面に取付範囲を凹形状で形成したことにより、縦突起部の先端から凹形状の底部までの段差が従来の保護キャップに比べて明確になった。さらに縦突起部を設けたことにより保護キャップの強度が向上した。 According to the second aspect of the present invention, the vertical protrusion is provided on the side surface of the protective cap, and the attachment range is formed in a concave shape on the surface of the vertical protrusion, so that from the tip of the vertical protrusion to the concave bottom. The difference in level is clear compared to the conventional protective cap. Furthermore, the strength of the protective cap was improved by providing the vertical protrusions.
　請求項３記載の発明によれば、保護キャップの側面に設けた縦突起部に沿って側面を膨張させた拡張部を形成したことで、拡張部の表面に取付範囲を凹形状で形成可能となり、請求項１の保護キャップと比較して取付基準を表す段差を面で示すことが可能となり、より理解しやすくなる。 According to the invention described in claim 3, by forming the extended portion having the side surface expanded along the vertical protrusion provided on the side surface of the protective cap, the attachment range can be formed in a concave shape on the surface of the extended portion. Compared with the protective cap of claim 1, it is possible to show a step representing the mounting reference on the surface, which makes it easier to understand.
　請求項４記載の発明によれば、縦突起部または拡張部は有底円筒形状の開口部端から形成したことで、取付範囲以外の段差が縦突起部上または拡張部上に形成しないようにして取付範囲の誤認を防止している。 According to the fourth aspect of the present invention, the vertical protrusion or the extended portion is formed from the end of the bottomed cylindrical opening, so that a step other than the attachment range is not formed on the vertical protrusion or the extended portion. This prevents misidentification of the mounting range.
　請求項５記載の発明によれば、縦突起部または拡張部の底面側に傾斜部を設けたことで、スプリンクラーヘッドを消火設備配管に接続する際に、保護キャップを装着したスプリンクラーヘッドをレンチソケット内に嵌入れて消火設備配管の接続ネジ部に締結させることから、保護キャップの縦突起部または拡張部の底面側に傾斜を付けてレンチソケット内に嵌入れる際にスムーズに挿入できるようにした。 According to the fifth aspect of the present invention, when the sprinkler head is connected to the fire-extinguishing equipment piping by providing the inclined portion on the bottom surface side of the vertical protrusion or the extended portion, the sprinkler head with the protective cap is attached to the wrench socket. Since it is inserted in and fastened to the connection screw part of the fire extinguishing equipment piping, the vertical projection part of the protective cap or the bottom side of the extension part is inclined so that it can be inserted smoothly when fitted into the wrench socket. .
　請求項６記載の発明によれば、拡張部にスプリンクラーヘッドとの係合部を設けたことで保護キャップをスプリンクラーヘッドに嵌め込む際にスプリンクラーヘッド側の係合部に狙いをつけやすい効果がある。 According to the sixth aspect of the present invention, the engagement portion with the sprinkler head is provided in the extension portion, so that it is easy to aim at the engagement portion on the sprinkler head side when the protective cap is fitted into the sprinkler head. .
　請求項７記載の発明によれば、拡張部に保護キャップ内でスプリンクラーヘッドが空回りするのを防止する手段を設けたことで、スプリンクラーヘッドを消火設備配管に接続する際には、保護キャップを装着したスプリンクラーヘッドを手で持って配管接続部にある程度螺入させてからレンチを用いて締結するので、手でスプリンクラーヘッドを回すときに保護キャップ内でスプリンクラーヘッドが空回りすることを防止する効果がある。 According to the seventh aspect of the present invention, when the sprinkler head is connected to the fire-extinguishing equipment pipe by providing the expansion portion with a means for preventing the sprinkler head from spinning in the protective cap, the protective cap is attached. After holding the sprinkler head by hand and screwing it into the pipe connection part to a certain extent, it is tightened using a wrench, so it is possible to prevent the sprinkler head from spinning around in the protective cap when turning the sprinkler head by hand. .
　請求項８記載の発明によれば、消火設備配管に接続され、天井が張られた後に保護キャップをスプリンクラーヘッドから取り外す際に、保護キャップの底面または底面付近に取外し手段を設けておくと保護キャップの取外し作業が容易となる。
  According to the invention described in claim 8, when the protective cap is removed from the sprinkler head after being connected to the fire-extinguishing equipment piping and the ceiling is stretched, if the removing means is provided on or near the bottom surface of the protective cap, the protective cap is provided. Removal work becomes easier.
　本発明の保護キャップは、有底円筒形状をしており内部にスプリンクラーヘッドを嵌め込むことでスプリンクラーヘッドを輸送時や施工時の外力から保護する作用を有する。保護キャップはスプリンクラーヘッドへの取付け・取外しが容易で、尚且つ装着時においては外力により外れにくいようにしなければならないため、弾性を有する樹脂等の材料で形成され、スプリンクラーヘッドとの係合部を設けることが好ましい。 The protective cap of the present invention has a bottomed cylindrical shape, and has an effect of protecting the sprinkler head from external force during transportation or construction by fitting the sprinkler head inside. The protective cap is easy to attach to and detach from the sprinkler head, and when attached, it must be made difficult to come off by external force. It is preferable to provide it.
保護キャップの側面に形成される突出部や縦突起部および拡張部は、側面上に複数形成することが好ましい。また取付基準は縦突起部や拡張部の表面に凹形状で表されるもので、凹形状部の底面に文字や記号にて取付範囲および取付基準の表示を行なうことも可能である。また文字や記号等の表示は凹形状部のみに限定されるものではなく、他の位置に表示を入れてもよい。 It is preferable to form a plurality of protrusions, vertical protrusions, and extended portions formed on the side surface of the protective cap on the side surface. In addition, the attachment reference is expressed in a concave shape on the surface of the vertical protrusion or the extended portion, and it is possible to display the attachment range and the attachment reference with letters or symbols on the bottom surface of the concave shape portion. In addition, the display of characters, symbols, and the like is not limited to the concave shape portion, and may be displayed at other positions.
保護キャップの側面に形成される縦突起部や拡張部は、有底円筒形状の開口部端から形成されるが、開口部端から延出して形成することも可能である。その際、延出された部分にスプリンクラーヘッドとの係合部や、スプリンクラーヘッドが保護キャップ内での空回りを防止する手段を設けてもよい。 The vertical protrusion and the extended portion formed on the side surface of the protective cap are formed from the end of the bottomed cylindrical opening, but can also be formed to extend from the end of the opening. At that time, an engaging portion with the sprinkler head and means for preventing the sprinkler head from spinning around in the protective cap may be provided in the extended portion.
また、突出部や縦突起部および拡張部において保護キャップの開口部とは逆側の端には底面側に向かって高さが低くなる傾斜部を設けることが好ましい。傾斜部は取付範囲よりも底面側に形成される。底面または側面の底面付近には、保護キャップをスプリンクラーヘッドから外すための取外し手段として、鍔部を形成したり穴を穿設して該穴に鉤状の工具を通して引き抜けるように構成してもよい。
  In addition, it is preferable to provide an inclined portion whose height decreases toward the bottom surface at the end opposite to the opening of the protective cap in the protruding portion, the vertical protruding portion, and the extended portion. The inclined portion is formed on the bottom side of the attachment range. On the bottom surface or in the vicinity of the bottom surface of the side surface, as a removing means for removing the protective cap from the sprinkler head, a flange portion may be formed or a hole may be drilled, and the hole may be pulled out through a hook-shaped tool. .
以下、この発明の実施例１を図１から図４を参照して説明する。図１は実施例１の保護キャップの側面図、図２は図１の保護キャップとスプリンクラーヘッド、レンチソケットの斜視図、図３は保護キャップからスプリンクラーヘッドを除いた状態、図４は図３に示すＸ－Ｘ断面を表す。 Embodiment 1 of the present invention will be described below with reference to FIGS. 1 is a side view of the protective cap of Example 1, FIG. 2 is a perspective view of the protective cap, sprinkler head, and wrench socket of FIG. 1, FIG. 3 is a state in which the sprinkler head is removed from the protective cap, and FIG. The XX cross section shown is shown.
図１から図４に示す保護キャップ１は有底円筒形状をしており、図１においてはスプリンクラーヘッドＳＨに装着された状態にある。保護キャップ１の内周径は保護キャップ１内に収容されるスプリンクラーヘッドＳＨの外周径より僅かに大径となっている。保護キャップ１の開口端はスプリンクラーヘッドＳＨの本体Ｂの鍔部と当接している。 The protective cap 1 shown in FIGS. 1 to 4 has a bottomed cylindrical shape. In FIG. 1, the protective cap 1 is attached to the sprinkler head SH. The inner peripheral diameter of the protective cap 1 is slightly larger than the outer peripheral diameter of the sprinkler head SH accommodated in the protective cap 1. The opening end of the protective cap 1 is in contact with the flange portion of the main body B of the sprinkler head SH.
保護キャップ１の側面２には放射方向に膨らんで形成された複数の拡張部３が設けられており、拡張部３の外側の面には凹状部４が形成されている。該凹状部４はスプリンクラーヘッドＳＨの取付範囲を表すものであり、スプリンクラーヘッドＳＨと天井下面との位置関係において、天井下面が凹状部４で表される取付範囲内に収まるように施工することを示している。 The side surface 2 of the protective cap 1 is provided with a plurality of expansion portions 3 formed to expand in the radial direction, and a concave portion 4 is formed on the outer surface of the expansion portion 3. The concave portion 4 represents the attachment range of the sprinkler head SH, and the positional relationship between the sprinkler head SH and the ceiling lower surface is such that the ceiling lower surface falls within the attachment range represented by the concave portion 4. Show.
凹状部４の近隣の側面２には取付基準を表すライン５が表示され、ライン５の上下には凹状部４と同様に取付範囲を表す段部６が設けられている。 A line 5 representing an attachment reference is displayed on the side surface 2 in the vicinity of the concave portion 4, and step portions 6 representing the attachment range are provided above and below the line 5 in the same manner as the concave portion 4.
拡張部３の凹状部４より底面側の端には傾斜部７が形成されており、底面付近では拡張部３の膨らみが無くなっている。該傾斜部７により、スプリンクラーヘッドＳＨを消火設備配管に接続する場合において保護キャップ２１をレンチソケット内に嵌入れる際にスムーズに挿入できるようにしている。 An inclined portion 7 is formed at the end on the bottom side of the concave portion 4 of the expansion portion 3, and the expansion portion 3 is not swollen near the bottom surface. When the sprinkler head SH is connected to the fire extinguishing equipment piping, the inclined portion 7 can be smoothly inserted when the protective cap 21 is fitted into the wrench socket.
拡張部３の開口側の端は、キャップの開口部端よりも延出して形成されており舌状体８が設けられている。舌状体８の内側の面にはスプリンクラーヘッドＳＨの本体Ｂの鍔部側面に形成されている層状溝９と係合される２つの突起１０が設けられており、該突起１０は層状溝９と平行に形成されている。 The opening side end of the extension 3 is formed so as to extend beyond the opening end of the cap, and a tongue-like body 8 is provided. Two protrusions 10 are provided on the inner surface of the tongue-like body 8 to be engaged with the layered groove 9 formed on the side surface of the flange portion of the main body B of the sprinkler head SH. Are formed in parallel.
２つの突起１０の間には、突起１０に対して垂直な突起１１が形成されている。該突起１１はスプリンクラーヘッドＳＨの本体Ｂの鍔部側面に形成されているレンチ溝１２が係合される。本実施例においてスプリンクラーヘッドＳＨのレンチ溝１２は６箇所等間隔で設けられ、保護キャップ１の突起１１は３箇所等間隔で設けられており、レンチ溝１２の数が突起１１の倍数になっている。スプリンクラーヘッドＳＨを消火設備配管に取付ける際には、突起１１に係合されたレンチ溝１２はレンチソケット１３内の突起１４と係合されないことから、レンチ溝１２の数は突起１１の数より多く設けられる。 A protrusion 11 perpendicular to the protrusion 10 is formed between the two protrusions 10. The protrusion 11 is engaged with a wrench groove 12 formed on the side surface of the flange portion of the main body B of the sprinkler head SH. In this embodiment, the wrench grooves 12 of the sprinkler head SH are provided at six equal intervals, the projections 11 of the protective cap 1 are provided at three equal intervals, and the number of wrench grooves 12 is a multiple of the projections 11. Yes. When the sprinkler head SH is attached to the fire extinguishing equipment piping, the wrench grooves 12 engaged with the protrusions 11 are not engaged with the protrusions 14 in the wrench socket 13, so the number of wrench grooves 12 is larger than the number of protrusions 11. Provided.
図２において、スプリンクラーヘッドＳＨに６箇所設けられたレンチ溝１２は、保護キャップ１の突起１１に係止されるレンチ溝１２Ａとレンチソケット１３内の突起１４と係合されるレンチ溝１２Ｂが交互に設けられている。 In FIG. 2, the wrench grooves 12 provided in the sprinkler head SH at six locations are alternately wrench grooves 12 </ b> A engaged with the protrusions 11 of the protective cap 1 and wrench grooves 12 </ b> B engaged with the protrusions 14 in the wrench socket 13. Is provided.
保護キャップ１の底面付近には、保護キャップ１をスプリンクラーヘッドＳＨから外す際に工具を引っ掛ける鍔部１５が形成されている。図１において鍔部１５の上面に工具を引っ掛けて下に引くことでスプリンクラーヘッドＳＨから保護キャップ１を外すことができる。
  Near the bottom surface of the protective cap 1, a flange 15 is formed to hook the tool when the protective cap 1 is removed from the sprinkler head SH. In FIG. 1, the protective cap 1 can be removed from the sprinkler head SH by hooking a tool on the upper surface of the flange 15 and pulling it downward.
続いて実施例２を図５から図７を参照して説明する。図５は実施例２の保護キャップの側面図、図６は図５の保護キャップの平面図、図７は図６のＹ－Ｙ断面図であり、内部にスプリンクラーヘッドが嵌め込まれた状態を表す。尚、実施例１と構成が同じ部分については同符号を付して説明は省略する。 Next, Example 2 will be described with reference to FIGS. 5 is a side view of the protective cap of Example 2, FIG. 6 is a plan view of the protective cap of FIG. 5, and FIG. 7 is a YY sectional view of FIG. 6, showing a state in which a sprinkler head is fitted therein. . In addition, about the part which has the same structure as Example 1, the same code | symbol is attached | subjected and description is abbreviate | omitted.
図５から図７に示す実施例２の保護キャップ２１は有底円筒形状をしており、図７においてはスプリンクラーヘッドＳＨに装着された状態にある。保護キャップ２１の開口端はスプリンクラーヘッドＳＨの本体Ｂの鍔部と当接している。保護キャップ２１の内周径は保護キャップ２１内に収容されるスプリンクラーヘッドＳＨの外周径より僅かに大径となっている。 The protective cap 21 according to the second embodiment shown in FIGS. 5 to 7 has a bottomed cylindrical shape. In FIG. 7, the protective cap 21 is attached to the sprinkler head SH. The opening end of the protective cap 21 is in contact with the flange portion of the main body B of the sprinkler head SH. The inner peripheral diameter of the protective cap 21 is slightly larger than the outer peripheral diameter of the sprinkler head SH accommodated in the protective cap 21.
保護キャップ２１の内周面には突起２２が複数箇所に形成されており、該突起２２は内周面の中間部から底面に向かって縦方向に連続して形成されている。該突起２２の先端は保護キャップ２１内に収容されるスプリンクラーヘッドＳＨの外周面と接触しており、スプリンクラーヘッドＳＨが保護キャップ２１内で動かないように保持している。 A plurality of protrusions 22 are formed on the inner peripheral surface of the protective cap 21, and the protrusions 22 are continuously formed in the vertical direction from the intermediate portion of the inner peripheral surface toward the bottom surface. The tip of the projection 22 is in contact with the outer peripheral surface of the sprinkler head SH accommodated in the protective cap 21, and the sprinkler head SH is held so as not to move in the protective cap 21.
保護キャップ２１の外周側面には、図中水平方向に延出された鍔状の突起部２３が複数、層状に形成されている。図５において突起部２３は開口側の突起部２３Ａと底面側の突起部２３Ｂが形成され、その中間に突起部２３Ａ、２３Ｂよりも突起高さが低い突起部２３Ｃが形成されている。 On the outer peripheral side surface of the protective cap 21, a plurality of hook-shaped projections 23 extending in the horizontal direction in the figure are formed in layers. In FIG. 5, the protrusion 23 has an opening-side protrusion 23A and a bottom-side protrusion 23B, and a protrusion 23C having a protrusion height lower than that of the protrusions 23A and 23B.
突起部２３Ａは取付範囲の上限を表し、突起部２３Ｂは取付範囲の下限を表しており、スプリンクラーヘッドＳＨと天井下面との位置関係において、天井下面が取付範囲内に収まるように施工することを示している。突起部２３Ｃは前述の取付範囲の中間位置に設けられており、施工の際には該突起部２３Ｃを基準とすることを表している。 The protrusion 23A represents the upper limit of the attachment range, and the protrusion 23B represents the lower limit of the attachment range. In the positional relationship between the sprinkler head SH and the ceiling lower surface, the projecting portion 23A is constructed so that the ceiling lower surface falls within the attachment range. Show. The protrusion 23C is provided at an intermediate position in the above-described attachment range, and represents that the protrusion 23C is used as a reference in the construction.
突起部２３Ａ、２３Ｂの間には、図５に示すように文字にて「取付基準」の表示をしたり、矢印等の記号を表示してもよい。 Between the projections 23A and 23B, as shown in FIG. 5, “attachment reference” may be displayed with characters, or a symbol such as an arrow may be displayed.
突起部２３Ｂの底面側には傾斜が付けられており、実施例１と同様にスプリンクラーヘッドＳＨを消火設備配管に接続する場合において保護キャップ２１をレンチソケット内に嵌入れる際にスムーズに挿入できるようにしている。 The bottom surface side of the protrusion 23B is inclined so that the protective cap 21 can be inserted smoothly into the wrench socket when the sprinkler head SH is connected to the fire extinguishing equipment piping as in the first embodiment. I have to.
本実施例において突起部２３は外周側面の全面に形成されているが、実施例１の拡張部３のように外周側面に部分的に形成してもよい。
  In the present embodiment, the protruding portion 23 is formed on the entire outer peripheral side surface, but may be partially formed on the outer peripheral side surface as in the extended portion 3 of the first embodiment.
続いて実施例３を図８、９を参照して説明する。図８は実施例３の保護キャップの断面図、図９は図８の保護キャップの平面図である。尚、実施例１および２と構成が同じ部分については同符号を付して説明は省略する。 Next, Example 3 will be described with reference to FIGS. 8 is a cross-sectional view of the protective cap of Example 3, and FIG. 9 is a plan view of the protective cap of FIG. In addition, about the part which has the same structure as Example 1 and 2, the same code | symbol is attached | subjected and description is abbreviate | omitted.
図８、９に示す実施例３の保護キャップは３１実施例２と略同じ形状をしており、内周部分の形状は実施例２と同じであるので同符号を付して説明は省略する。 The protective cap of Example 3 shown in FIGS. 8 and 9 has substantially the same shape as 31 Example 2, and the shape of the inner peripheral portion is the same as that of Example 2, so the same reference numerals are given and description thereof is omitted. .
実施例３の保護キャップ３１の外周側面には、放射方向に突出した複数の縦突起３２が設けられており、該縦突起３２は保護キャップ３１の開口部端から底面付近まで形成されている。縦突起３２の中間部分には実施例１の凹状部４と同様な凹部３３が形成されている。また縦突起３２の底面側には実施例１の傾斜部７と同様な傾斜３４が形成されている。
  A plurality of vertical protrusions 32 projecting in the radial direction are provided on the outer peripheral side surface of the protective cap 31 of Example 3, and the vertical protrusions 32 are formed from the opening end of the protective cap 31 to the vicinity of the bottom surface. A concave portion 33 similar to the concave portion 4 of the first embodiment is formed in an intermediate portion of the vertical protrusion 32. In addition, an inclination 34 similar to the inclined portion 7 of the first embodiment is formed on the bottom surface side of the vertical protrusion 32.
実施例１の保護キャップの側面図Side view of the protective cap of Example 1 図１の保護キャップとスプリンクラーヘッド、レンチソケットの斜視図1 is a perspective view of the protective cap, sprinkler head, and wrench socket of FIG. 実施例１の保護キャップ（スプリンクラーヘッドを除いた状態）Protective cap of Example 1 (state without sprinkler head) 図３に示すＸ－Ｘ断面図XX cross section shown in FIG. 実施例２の保護キャップの側面図Side view of protective cap of Example 2 図５の保護キャップの平面図Top view of the protective cap of FIG. 図６のＹ－Ｙ断面図YY sectional view of FIG. 実施例３の保護キャップの断面図Sectional drawing of the protective cap of Example 3 保護キャップの平面図Top view of protective cap 従来の保護キャップの側面図Side view of a conventional protective cap
符号の説明Explanation of symbols
　１　実施例１の保護キャップ　
　２　側面　
　３　拡張部　
　４　凹状部　
　７　傾斜部　
　８　舌状部　
１０、１１　突起　
１２　レンチ溝　
１５　鍔部　
２１　実施例２の保護キャップ　
２２　保護キャップ内周面の突起　
２３　突起部　
３１　実施例３の保護キャップ　
３２　縦突起　
３３　凹部　
  1 Protective cap of Example 1
2 side
3 Extension
4 concave parts
7 Inclined part
8 Tongue
10, 11 protrusion
12 Wrench groove
15 Buttocks
21 Protective cap of Example 2
22 Protrusion on the inner peripheral surface of the protective cap
23 Protrusion
31 Protective cap of Example 3
32 Longitudinal protrusion
33 recess

Claims (8)

  1. 　有底円筒形状をしておりスプリンクラーヘッドに外装され輸送時や施工時の衝撃からスプリンクラーヘッドを保護し、側面には天井下面に対する取付範囲が表示されているスプリンクラーヘッドの保護キャップにおいて、側面には放射方向へ延出された突起部が形成され、該突起部により取付範囲を表したことを特徴とするスプリンクラーヘッドの保護キャップ。
          A sprinkler head protective cap that has a cylindrical shape with a bottom and is externally mounted on the sprinkler head to protect the sprinkler head from impacts during transportation and construction. A protective cap for a sprinkler head, characterized in that a projecting portion extending in the radial direction is formed and the mounting range is represented by the projecting portion.
  2. 　有底円筒形状をしておりスプリンクラーヘッドに外装され輸送時や施工時の衝撃からスプリンクラーヘッドを保護し、側面には天井下面に対する取付範囲が表示されているスプリンクラーヘッドの保護キャップにおいて、側面には放射方向へ突出された縦突起部が形成され、該縦突起部の表面に取付範囲を凹形状で形成したことを特徴とするスプリンクラーヘッドの保護キャップ。
          A sprinkler head protective cap that has a cylindrical shape with a bottom and is externally mounted on the sprinkler head to protect the sprinkler head from impacts during transportation and construction. A protective cap for a sprinkler head, characterized in that a vertical protrusion protruding in a radial direction is formed, and a mounting range is formed in a concave shape on the surface of the vertical protrusion.
  3. 　前記スプリンクラーヘッドの保護キャップにおいて、隣接する縦突起部に沿って側面が放射方向に膨張した拡張部が形成されており、該拡張部の表面に取付範囲を凹形状で形成したことを特徴とする請求項２記載のスプリンクラーヘッドの保護キャップ。
          In the protective cap of the sprinkler head, an extended portion whose side surface is radially expanded along the adjacent vertical protrusion is formed, and a mounting range is formed in a concave shape on the surface of the extended portion. The protective cap of the sprinkler head according to claim 2.
  4. 　前記スプリンクラーヘッドの保護キャップにおいて、側面に設けられた縦突起部または拡張部は有底円筒形状の開口部端から形成されていることを特徴とする請求項２または３記載のスプリンクラーヘッドの保護キャップ。
          4. A protective cap for a sprinkler head according to claim 2, wherein the vertical protrusion or the extended portion provided on the side surface is formed from an end of a bottomed cylindrical opening. .
  5. 　前記スプリンクラーヘッドの保護キャップにおいて、側面に設けられた縦突起部または拡張部の開口部端と逆側の端には底面側に向かって高さが低くなる傾斜部が設けられていることを特徴とする請求項２または３記載のスプリンクラーヘッドの保護キャップ。
          In the protective cap of the sprinkler head, an inclined portion having a height that decreases toward the bottom surface is provided at the end opposite to the opening end of the longitudinal protrusion or the extended portion provided on the side surface. A protective cap for a sprinkler head according to claim 2 or 3.
  6. 　前記スプリンクラーヘッドの保護キャップにおいて、拡張部にスプリンクラーヘッドとの係合部が設けられていることを特徴とする請求項３記載のスプリンクラーヘッドの保護キャップ。
          4. The sprinkler head protective cap according to claim 3, wherein the sprinkler head protective cap is provided with an engaging portion with the sprinkler head in the extended portion.
  7. 　前記スプリンクラーヘッドの保護キャップにおいて、拡張部に保護キャップ内でスプリンクラーヘッドが空回りするのを防止する手段が設けられていることを特徴とする請求項３記載のスプリンクラーヘッドの保護キャップ。
          4. The protective cap for a sprinkler head according to claim 3, wherein in the protective cap for the sprinkler head, means for preventing the sprinkler head from idling in the protective cap is provided in the extended portion.
  8. 　前記スプリンクラーヘッドの保護キャップにおいて、底面または底面付近の側面に保護キャップをスプリンクラーヘッドから外すための取外し手段が設けられていることを特徴とする請求項１から３のいずれかに記載のスプリンクラーヘッドの保護キャップ。
          The sprinkler head protective cap according to any one of claims 1 to 3, wherein the protective cap of the sprinkler head is provided with a removing means for removing the protective cap from the sprinkler head on a bottom surface or a side surface near the bottom surface. Protective cap.
PCT/JP2008/002121 2008-08-06 2008-08-06 Sprinkler head protection cap WO2010016092A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/002121 WO2010016092A1 (en) 2008-08-06 2008-08-06 Sprinkler head protection cap

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Application Number Priority Date Filing Date Title
PCT/JP2008/002121 WO2010016092A1 (en) 2008-08-06 2008-08-06 Sprinkler head protection cap

Publications (1)

Publication Number Publication Date
WO2010016092A1 true WO2010016092A1 (en) 2010-02-11

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103418104A (en) * 2012-05-21 2013-12-04 千住灭火器株式会社 Protecting cap and sprinkler head
JP2015231581A (en) * 2015-09-29 2015-12-24 千住スプリンクラー株式会社 Wrench for attachment and detachment of sprinkler head
WO2022174164A1 (en) * 2021-02-13 2022-08-18 Thermal Structures, Inc. Insulated cover for fire sprinkler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0415234Y2 (en) * 1983-10-07 1992-04-06
JPH09108379A (en) * 1995-10-17 1997-04-28 Nohmi Bosai Ltd Sprinkler head attaching tool
JP2002210034A (en) * 2001-01-16 2002-07-30 Senju Sprinkler Kk Protective cap for sprinkler head

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0415234Y2 (en) * 1983-10-07 1992-04-06
JPH09108379A (en) * 1995-10-17 1997-04-28 Nohmi Bosai Ltd Sprinkler head attaching tool
JP2002210034A (en) * 2001-01-16 2002-07-30 Senju Sprinkler Kk Protective cap for sprinkler head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103418104A (en) * 2012-05-21 2013-12-04 千住灭火器株式会社 Protecting cap and sprinkler head
JP2015231581A (en) * 2015-09-29 2015-12-24 千住スプリンクラー株式会社 Wrench for attachment and detachment of sprinkler head
WO2022174164A1 (en) * 2021-02-13 2022-08-18 Thermal Structures, Inc. Insulated cover for fire sprinkler

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