JP3742007B2 - Bath lid - Google Patents

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Publication number
JP3742007B2
JP3742007B2 JP2001394834A JP2001394834A JP3742007B2 JP 3742007 B2 JP3742007 B2 JP 3742007B2 JP 2001394834 A JP2001394834 A JP 2001394834A JP 2001394834 A JP2001394834 A JP 2001394834A JP 3742007 B2 JP3742007 B2 JP 3742007B2
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Prior art keywords
plate
reinforcing
bath lid
main body
edge
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JP2003190033A (en
JP2003190033A5 (en
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一郎 大工
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株式会社オーエ
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Description

【0001】
【発明の属する技術分野】
この発明は、風呂蓋、とくに、複数枚を浴槽上に並列させて使用するいわゆる組合せ式風呂蓋に関する。
【0002】
【従来の技術】
この種組合せ式風呂蓋もいくつかのタイプがあるが、最近は図8及び図9に示すようなタイプの風呂蓋、すなわち合成樹脂発泡体製芯板(52)の表裏両面にアルミニウム製の薄板(53)(53)が張設された板状本体(51)の周縁が軟質合成樹脂製のエッジプロテクター(60)により全周に亘って被覆されてなるタイプの風呂蓋が組合せ式風呂蓋の主流となっている(特開平8−103389号、特開平8−275891号等参照)。
【0003】
而して、前記エッジプロテクター(60)は、従前は接着剤を介して板状本体(52)に固定されていたものであったが、上記特開平8−103389号等においては、エッジプロテクター(60)を取り替えることを考慮して、接着剤を用いないで、エッジプロテクター(60)を板状本体(51)に弾性嵌合する方法が提案されている。
【0004】
また、このような風呂蓋は、強度を高めるために板状本体(51)の長辺に補強縁材(55)が付設され、エッジプロテクター(60)は該補強縁材(55)を包み込むようにして設けられるものである。
【0005】
【発明が解決しようとする課題】
しかしながら、エッジプロテクター(60)を板状本体(51)に接着する場合あるいは弾性嵌合する場合のいずれにおいても、エッジプロテクター(60)の作製と、板状本体(51)への取付とは別々に行わなければならないものであった。
【0006】
また、風呂蓋の強度とくにたわみ強度を高めるためには、補強縁材(55)の剛性を高めることが有効であるが、その肉厚を増大させることにより剛性を高めようとするとコスト高になると共に風呂蓋の重量が増大するという問題がある。一方、補強縁材(55)の素材により剛性の高い材料を選択するとこれもコスト高になるという問題がある。
【0007】
この発明は、このような課題を解決するためになされたもので、第1の目的は、エッジプロテクタが板状本体に作製上及びコスト上合理的に付設されてなる風呂蓋を提供することにある。また、第2の目的は、可及的肉厚を厚くすることなくかつ高価な材料を用いることなく高い剛性の得られる補強縁材を備えた風呂蓋を提供することにある。
【0008】
【課題を解決するための手段】
上記第1の目的を達成するために、この発明に係る風呂蓋は、板状本体の対向する少なくとも長辺に、耐熱性硬質材からなるチャンネル状の補強縁材が緊密に強制嵌合され、該補強縁材を内包する態様で、前記板状本体の周縁に合成樹脂製エッジプロテクタが一体成形されてなる構成を採用する。
【0009】
この発明によれば、板状本体の周縁に合成樹脂製エッジプロテクターが一体成形されているので、エッジプロテクターを別途作製する手間及びその板状本体への取り付け作業を不要とし、風呂蓋を合理的に製作しうる。
【0010】
また、エッジプロテクターが、板状本体に強制嵌合されたチャンネル状の補強縁材を内包する態様で一体成形されているので、エッジプロテクターの板状本体側端部の下部が抜脱方向に対して、補強縁材に圧接することになり、強固な一体化が得られる。
【0011】
この一体化をより強固なものとするためには、補強縁材の上面板部及び下面板部の各先端部が、板状本体との間に隙間を生じさせる態様に形成されてなることが好ましい。エッジプロテクターを板状本体から抜脱させる力がかかった時に、前記隙間に入り込んだ樹脂が、補強縁材に対して引っかかることにより抜脱防止部として作用するからである。そのような態様としては、その上面板部及び下面板部の各先端部が、円弧状に形成されたり、あるいは斜状に形成されることがある。
【0012】
また、さらに、前記一体化をより強固なものとするためには、板状本体のエッジプロテクターとの対応位置に厚さ方向に設けられた貫通孔に、エッジプロテクターを構成する合成樹脂が成形時に流し込まれてなるものであることが好ましい。エッジプロテクターの上板部と下板部とが繋がることにより、抜脱方向に対して貫通孔に流れ込んだ樹脂が抜け止めとなるからである。この貫通孔を設ける場合は、あえて前記隙間を必要としないが、貫通孔を設けない場合は、前記隙間が設けられていることが好ましい。
【0013】
前記板状本体は、低発泡合成樹脂芯板とその上下に積層一体化されたアルミニウム等の金属薄板との積層板であることが好ましい。芯板が低発泡合成脂製であることにより、補強縁材の強制嵌合をより効果的に行えるからである。また、芯板を構成する樹脂と、エッジプロテクターを構成する樹脂とを同種あるいは同系統の熱可塑性樹脂から形成されているものとすると、板状本体の貫通孔に流れ込んだエッジプロテクターを構成する樹脂が芯板と溶着することにより、前記抜け止め防止がより一層効果的に行われることになる。
【0014】
上記第2の目的を達成するために、前記補強縁材は、上面板部と下面板部との一端を連結した連結壁の上下端に上方及び下方へ突出して前記上下両板部の外面より外方に張り出した補強リブ部を備えてなるものとなされる。
【0015】
この補強リブ部を備えることにより、断面二次モーメントの値が大きくなり、たわみ強度が高くなるので、風呂蓋の強度が高くなる。
【0016】
前記補強リブ部は、断面湾曲状の膨隆部として形成され、該補強リブ部と板状本体との間に空隙部が形成されてなることが好ましい。
【0017】
前記補強縁材は、アルミニウム押出型材であることが好ましい。
【0018】
【発明の実施の形態】
以下、この発明を図示実施形態に基づいて説明する。
【0019】
図1ないし図4は、この発明に係る風呂蓋の一実施形態を示すもので、板状本体(1)の周縁に、アルミニウム押出型材からなるチャンネル状の補強縁材(5)が緊密に強制嵌合され、該補強縁材(5)を内包する態様で、前記板状本体(1)の周縁に防滑性に富んだポリエチレン製エッジプロテクター(10)が一体成形されている。
【0020】
板状本体(1)は、2倍発泡のポリエチレン低発泡合成樹脂製芯板(2)の上下にアルミニウムからなる薄板(3)(3)が積層されてなるもので、図4に示すように周縁部のエッジプロテクター(10)との対応位置に、板状本体(1)を厚さ方向に貫通する貫通孔(4)(4)…が互いに所定間隔を置いて設けられている。
【0021】
補強縁材(5)は、図3に示すように断面コ字状を基調としながら、その上面板部(5a)及び下面板部(5b)の各先端部が、板状本体(1)への嵌合状態においてアルミニウム薄板(3)(3)に向かって湾曲する円弧状面に形成されることにより、補強縁材(5)とアルミニウム薄板(3)(3)との間に、エッジプロテクター(10)を構成する樹脂が入り込む隙間(7)(7)が設けられることになる。
【0022】
また、この補強縁材(5)は、上面板部(5a)と下面板部(5b)との一端を連結した連結壁(5c)の上下端に上方及び下方へ突出して前記上下両板部(5a)(5b)の外面より外方に張り出した補強リブ部(6)(6)が突設されている。該補強リブ部(6)(6)は、断面湾曲状の膨隆部として形成されることによ
り、該補強リブ部(6)(6)と板状本体(1)との間に空隙部(8)(8)が形成されている。前記上面板部(5a)と下面板部(5b)との間隔は、板状本体(1)の厚さより0.7mmほど短く設定されている。
【0023】
この風呂蓋(F)を製作するには、従来と同様に、板状本体(1)を所定形状に形成した後、その周縁に補強縁材(5)を嵌合させるのであるが、補強縁材(5)の上面板部(5a)と下面板部(5b)との間隔は、板状本体(1)の厚さより0.7mmほど短い3.5mmに設定されているので、最初は、補強縁材(5)の一部を僅かに拡開させる一方、板状本体(1)の一部を圧縮させながら、該圧縮部に補強縁材(5)の一部を強制的に嵌合させ、順次補強縁部材(5)の残りの部分を板状本体(1)に強制的に嵌合させることにより、全体が緊密に強制嵌合される。
【0024】
このようにして、周縁に補強縁材(5)が取り付けられた板状本体(1)の周縁に補強縁材(5)を包み込むようにしてエッジプロテクター作製用成形金型を配置し、該金型にポリエチレン樹脂を流し込むことにより、板状本体(1)の周縁にエッジプロテクター(10)を一体成形するのである。この成形時に、ポリエチレン樹脂は、補強縁材(5)とアルミニウム薄板(3)(3)との間の隙間(7)(7)に入り込み、さらに貫通孔(4)の上下開口から流入した樹脂が貫通孔(4)内で一体となると共に、芯板(2)と相互に溶着し合うことになる。
【0025】
図5は、前記第1実施形態の板状本体(1)と同じ板状本体(1)に異なる補強縁材(15)が強制嵌合された第2実施形態を示すもので、該補強縁材(15)は、第1実施形態の補強縁材(15)と同様に、上面板部(15a)と下面板部(15b)とを連結する連結壁(15c)の上下端に上方及び下方へ突出して前記上下両板部(15a)(15b)の外面より外方に張り出した補強リブ部(16)(16)が突設されている。また、該補強リブ部(16)(16)は、断面湾曲状の膨隆部として形成されることにより、この補強リブ部(16)(16)と板状本体(1)との間に空隙部(18)(18)が形成されている。さらに、この第2実施形態においてもその上面板部(15a)及び下面板部(15b)の各先端部が、板状本体(1)への嵌合状態においてアルミニウム薄板(3)(3)に向かって湾曲する円弧状面に形成されることにより、補強縁材(5)とアルミニウム薄板(3)(3)との間に、エッジプロテクター(10)を構成する樹脂が入り込む隙間(符号省略)が設けられてい
る。
【0026】
而して、この補強縁材(15)と、第1実施形態の補強縁材(5)との相違は、縁材の肉厚が約2/3に設定されており、そのために補強リブ部(16)(16)の断面湾曲状が第1実施形態のものより際立っているところにある。
【0027】
このような補強縁材(15)を用いた風呂蓋は、第1実施形態の風呂蓋と同様にして作製されるものであるので、詳細な説明は省略する。
【0028】
図6及び図7は、先の実施形態と同じ板状本体(1)に異なる補強縁材(25)(35)が強制嵌合された第3実施形態、第4実施形態を示すもので、先の実施形態と異なるところは、連結壁(25c)(35c)の上下端に上方及び下方へ突出する補強リブ部が設けられていないこと、それに従い、上面板部(25)(35)及び下面板部(25)(35)と板状本体(1)との間に空隙部が設けられていない点にある。また、図6に示す第3実施形態の補強縁材(25)と図7に示す第4実施形態の補強縁材(35)との相違は、第4実施形態の補強縁材(35)の連結壁(35c)の肉厚が第3実施形態の補強縁材(25)の連結壁(25c)の肉厚の約2/3に設定されている点にある。
【0029】
このような補強縁材(25)(35)を用いた風呂蓋も、第1実施形態の風呂蓋と同様にして作製されるものであるので、詳細な説明は省略する。
【0030】
而して、上記実施形態の風呂蓋における補強縁材(5)(15)(25)(35)の断面二次モーメントを求めてみると、第3実施形態の補強縁材(25)は第4実施形態の補強縁材(35)より僅かにその値が大きくなるだけであったが、第2実施形態の補強縁材(15)の断面二次モーメントの値は、第3実施形態及び第4実施形態の補強縁材(25)(35)の約1.5〜1.6倍であることが判明した。また、第1実施形態の補強縁材(5)の断面二次モーメントの値は、第3実施形態及び第4実施形態の補強縁材(25)(35)の約2.0〜2.1倍であることが判明した。この計算結果に鑑みると、補強縁材の上下面部の肉厚を増大させることが断面二次モーメントの値を大きくすることひいてはたわみ強度を高くすることはもとより、連結壁の上方及び下方に突設された補強リブ部が、断面二次モーメントの値を大きくすることひいてはたわみ強度を高くすることがわかった。
【0031】
【発明の効果】
上述の次第で、この発明に係る風呂蓋は、板状本体の対向する少なくとも長辺に、耐熱性硬質材からなるチャンネル状の補強縁材が緊密に強制嵌合され、該補強縁材を内包する態様で、前記板状本体の周縁に合成樹脂製エッジプロテクターが一体成形されているので、エッジプロテクターが板状本体に合理的に一体化された風呂蓋を提供できる。
【0032】
前記補強縁材が、その上面板部及び下面板部の各先端部が、板状本体との間に隙間を生じさせる態様に形成されてなる場合には、エッジプロテクターと板状本体との一体化がより強固になされる。
【0033】
また、前記板状本体が、エッジプロテクターとの対応位置に厚さ方向に貫通孔が設けられ、該貫通孔に、エッジプロテクターを構成する合成樹脂が成形時に流し込まれてなる場合には、エッジプロテクターと板状本体との一体化がより一層強固になされる。
【0034】
前記補強縁材が、上面板部と下面板部との一端を連結した連結壁の上下端に上方及び下方へ突出して前記上下両板部の外面より外方に張り出した補強リブ部を備えてなる場合には、補強縁材の高い剛性が得られ、たわみ強度に優れた風呂蓋を提供できる。
【0035】
前記補強リブ部が、断面湾曲状の膨隆部として形成され、該補強リブ部と板状本体との間に空隙部が形成されてなる場合には、板状本体の芯板に低発泡合成樹脂から作製されていると、強制嵌合された補強縁材によって圧縮された板状本体が空隙部においては圧縮部分より肉厚大となるので、補強縁材が抜脱し難い風呂蓋を提供できる。
【図面の簡単な説明】
【図1】この発明に係る風呂蓋の一実施形態の斜視図である。
【図2】図1のII−II線断面図である。
【図3】エッジプロテクターを一体成形前の要部断面図である。
【図4】この発明に係る風呂蓋の一実施形態の板状本体の斜視図である。
【図5】この発明に係る風呂蓋の第2実施形態の要部断面図である。
【図6】この発明に係る風呂蓋の第3実施形態の要部断面図である。
【図7】この発明に係る風呂蓋の第4実施形態の要部断面図である。
【図8】従来の風呂蓋の斜視図である。
【図9】図8のIX−IX線断面図である。
【符号の説明】
F…風呂蓋
1…板状本体
2…芯板
3…アルミニウム薄板
4…貫通孔
5、15、25、35…補強縁材
5a、15a、25a、35a…上面板部
5b、15b、25b、35b…下面板部
5c、15c、25c、35c…連結壁
6、16、26、36…補強リブ部
7…隙間
8…空隙部
10…エッジプロテクター
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bath lid, and more particularly to a so-called combination bath lid that uses a plurality of sheets arranged in parallel on a bathtub.
[0002]
[Prior art]
There are several types of this type combination type bath lid, but recently, the bath lid of the type shown in FIGS. 8 and 9, that is, a thin sheet made of aluminum on both the front and back surfaces of the synthetic resin foam core plate (52). (53) A type of bath lid in which the periphery of the plate-like body (51) on which (53) is stretched is covered with an edge protector (60) made of a soft synthetic resin over the entire circumference is a combination type bath lid. It has become mainstream (see JP-A-8-103389, JP-A-8-275891, etc.).
[0003]
Thus, the edge protector (60) was previously fixed to the plate-like body (52) via an adhesive. However, in the above-mentioned JP-A-8-103389, the edge protector ( In consideration of replacing 60), a method has been proposed in which the edge protector (60) is elastically fitted to the plate-like body (51) without using an adhesive.
[0004]
Further, in order to increase the strength of such a bath lid, a reinforcing edge member (55) is attached to the long side of the plate-like main body (51), and the edge protector (60) wraps around the reinforcing edge member (55). Is provided.
[0005]
[Problems to be solved by the invention]
However, whether the edge protector (60) is bonded to the plate-like body (51) or elastically fitted, the production of the edge protector (60) and the attachment to the plate-like body (51) are separate. It was something that had to be done.
[0006]
In order to increase the strength of the bath lid, in particular, the flexural strength, it is effective to increase the rigidity of the reinforcing edge material (55). However, if the rigidity is increased by increasing the thickness, the cost increases. In addition, there is a problem that the weight of the bath lid increases. On the other hand, when a material having high rigidity is selected according to the material of the reinforcing edge member (55), there is a problem that this also increases the cost.
[0007]
This invention was made in order to solve such a subject, and the 1st objective is to provide the bath lid by which an edge protector is reasonably attached to the plate-shaped main body on manufacture and cost. is there. In addition, a second object is to provide a bath lid provided with a reinforcing edge member that can obtain high rigidity without increasing the thickness as much as possible and without using an expensive material.
[0008]
[Means for Solving the Problems]
In order to achieve the first object described above, the bath lid according to the present invention has a channel-shaped reinforcing edge material made of a heat-resistant hard material tightly and forcefully fitted to at least the long sides of the plate-like main body, A configuration in which a synthetic resin edge protector is integrally formed on the periphery of the plate-like main body is adopted in a mode of including the reinforcing edge material.
[0009]
According to this invention, since the synthetic resin edge protector is integrally formed on the periphery of the plate-shaped main body, it is not necessary to separately prepare the edge protector and the mounting work to the plate-shaped main body, and the bath lid is rationally provided. Can be produced.
[0010]
In addition, since the edge protector is integrally formed with a channel-shaped reinforcing edge member that is forcibly fitted to the plate-shaped main body, the lower portion of the edge protector on the side of the plate-shaped main body faces the removal direction. As a result, the reinforcing edge material is pressed into contact with each other, and strong integration is obtained.
[0011]
In order to make this integration stronger, each tip of the upper surface plate portion and the lower surface plate portion of the reinforcing edge member may be formed in a mode that creates a gap between the plate body. preferable. This is because, when a force for removing the edge protector from the plate-like main body is applied, the resin that has entered the gap acts as a removal preventing portion by being caught on the reinforcing edge material. As such an aspect, each front-end | tip part of the upper surface board part and a lower surface board part may be formed in circular arc shape, or may be formed in diagonal shape.
[0012]
Furthermore, in order to further strengthen the integration, the synthetic resin constituting the edge protector is formed in the through hole provided in the thickness direction at the position corresponding to the edge protector of the plate-shaped main body at the time of molding. It is preferable to be poured. This is because the resin flowing into the through hole with respect to the removal direction is prevented from coming off by connecting the upper plate portion and the lower plate portion of the edge protector. When this through hole is provided, the gap is not required. However, when the through hole is not provided, the gap is preferably provided.
[0013]
The plate-like main body is preferably a laminated plate of a low foam synthetic resin core plate and a metal thin plate such as aluminum laminated and integrated on the upper and lower sides thereof. This is because the core plate is made of low foam synthetic fat, so that the forced fitting of the reinforcing edge material can be performed more effectively. Also, assuming that the resin constituting the core plate and the resin constituting the edge protector are formed of the same type or the same type of thermoplastic resin, the resin constituting the edge protector that has flowed into the through-hole of the plate-like body As a result of welding to the core plate, the above-mentioned prevention of detachment is more effectively performed.
[0014]
In order to achieve the second object, the reinforcing edge member protrudes upward and downward from the upper and lower ends of the connecting wall connecting the one end of the upper surface plate portion and the lower surface plate portion, and from the outer surface of the upper and lower plate portions. A reinforcing rib portion projecting outward is provided.
[0015]
By providing this reinforcing rib portion, the value of the moment of inertia of the cross section increases, and the flexural strength increases, so the strength of the bath lid increases.
[0016]
Preferably, the reinforcing rib portion is formed as a bulging portion having a curved cross section, and a gap is formed between the reinforcing rib portion and the plate-like main body.
[0017]
The reinforcing edge material is preferably an aluminum extrusion mold material.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on illustrated embodiments.
[0019]
1 to 4 show an embodiment of a bath lid according to the present invention, in which a channel-shaped reinforcing edge member (5) made of an aluminum extrusion mold material is tightly forced on the periphery of a plate-like body (1). A polyethylene edge protector (10) having a high anti-slip property is integrally formed on the periphery of the plate-like body (1) in such a manner that the reinforcing edge member (5) is included.
[0020]
The plate-like main body (1) is formed by laminating thin plates (3) and (3) made of aluminum on top and bottom of a double-foamed polyethylene low foam synthetic resin core plate (2), as shown in FIG. Through holes (4), (4)... Penetrating the plate-like main body (1) in the thickness direction are provided at predetermined positions at positions corresponding to the edge protectors (10) at the peripheral edge.
[0021]
As shown in FIG. 3, the reinforcing edge member (5) is based on a U-shaped cross section, and the top end portions of the upper surface plate portion (5a) and the lower surface plate portion (5b) are connected to the plate body (1). The edge protector is formed between the reinforcing edge member (5) and the aluminum thin plates (3) (3) by being formed into an arcuate surface that curves toward the aluminum thin plates (3) (3) in the fitted state. A gap (7) (7) into which the resin constituting (10) enters is provided.
[0022]
The reinforcing edge member (5) protrudes upward and downward from the upper and lower ends of the connecting wall (5c) connecting one end of the upper surface plate portion (5a) and the lower surface plate portion (5b). Reinforcing rib portions (6) and (6) projecting outward from the outer surfaces of (5a) and (5b) are projected. The reinforcing rib portions (6) and (6) are formed as bulged portions having a curved cross section, whereby a gap portion (8) is provided between the reinforcing rib portions (6) and (6) and the plate-like main body (1). ) (8) is formed. The distance between the upper surface plate portion (5a) and the lower surface plate portion (5b) is set to be about 0.7 mm shorter than the thickness of the plate-shaped main body (1).
[0023]
In order to manufacture this bath lid (F), the plate-like main body (1) is formed in a predetermined shape and the reinforcing edge member (5) is fitted to the periphery of the plate-like main body (1) as in the prior art. Since the distance between the upper surface plate portion (5a) and the lower surface plate portion (5b) of the material (5) is set to 3.5 mm which is 0.7 mm shorter than the thickness of the plate-like main body (1), While a part of the reinforcing edge member (5) is slightly expanded, a part of the reinforcing edge member (5) is forcibly fitted to the compressed portion while a part of the plate-like body (1) is compressed. Then, the remaining portions of the reinforcing edge member (5) are forcibly fitted to the plate-like main body (1) in sequence, whereby the whole is forcibly fitted tightly.
[0024]
In this manner, the edge protector-forming molding die is disposed so as to wrap the reinforcing edge member (5) around the periphery of the plate-like body (1) having the reinforcing edge member (5) attached to the periphery. By pouring polyethylene resin into the mold, the edge protector (10) is formed integrally with the peripheral edge of the plate-like body (1). At the time of molding, the polyethylene resin enters the gaps (7) and (7) between the reinforcing edge member (5) and the aluminum thin plates (3) and (3), and further flows into the through holes (4) through the upper and lower openings. Are integrated in the through hole (4) and welded to the core plate (2).
[0025]
FIG. 5 shows a second embodiment in which a different reinforcing edge member (15) is forcibly fitted to the same plate-like main body (1) as the plate-like main body (1) of the first embodiment. The material (15) is connected to the upper and lower ends of the connecting wall (15c) connecting the upper surface plate portion (15a) and the lower surface plate portion (15b), similarly to the reinforcing edge material (15) of the first embodiment. Reinforcing ribs (16), (16) projecting outward and projecting outward from the outer surfaces of the upper and lower plate parts (15a, 15b) are provided. The reinforcing rib portions (16) and (16) are formed as bulged portions having a curved cross section, so that a gap is formed between the reinforcing rib portions (16) and (16) and the plate-like main body (1). (18) (18) is formed. Furthermore, also in the second embodiment, the tip portions of the upper surface plate portion (15a) and the lower surface plate portion (15b) are formed on the aluminum thin plates (3) (3) in the fitted state to the plate-like body (1). By forming an arcuate surface that curves inward, a gap into which the resin constituting the edge protector (10) enters between the reinforcing edge member (5) and the aluminum thin plate (3) (3) (reference numeral omitted) Is provided.
[0026]
Thus, the difference between the reinforcing edge member (15) and the reinforcing edge member (5) of the first embodiment is that the thickness of the edge member is set to about 2/3. (16) The curved shape of the section of (16) stands out from that of the first embodiment.
[0027]
Since the bath lid using such a reinforcing edge member (15) is produced in the same manner as the bath lid of the first embodiment, detailed description thereof is omitted.
[0028]
6 and 7 show a third embodiment and a fourth embodiment in which different reinforcing edges (25) and (35) are forcibly fitted to the same plate-like main body (1) as in the previous embodiment. The difference from the previous embodiment is that the upper and lower ends of the connecting walls (25c) and (35c) are not provided with reinforcing ribs protruding upward and downward , and accordingly, the upper surface plate portions (25) (35) and There is no gap provided between the lower surface plate portions (25) (35) and the plate-like main body (1). Further, the difference between the reinforcing edge member (25) of the third embodiment shown in FIG. 6 and the reinforcing edge member (35) of the fourth embodiment shown in FIG. 7 is that of the reinforcing edge member (35) of the fourth embodiment. The thickness of the connecting wall (35c) is set to about 2/3 of the thickness of the connecting wall (25c) of the reinforcing edge member (25) of the third embodiment.
[0029]
Since the bath lid using such reinforcing edge members (25) and (35) is also produced in the same manner as the bath lid of the first embodiment, detailed description thereof is omitted.
[0030]
Thus, when the cross-sectional secondary moments of the reinforcing edge members (5), (15), (25), and (35) in the bath lid of the above embodiment are obtained, the reinforcing edge member (25) of the third embodiment is Although the value was only slightly larger than that of the reinforcing edge member (35) of the fourth embodiment, the value of the cross-sectional secondary moment of the reinforcing edge member (15) of the second embodiment is the same as that of the third embodiment and the third embodiment. It was found to be about 1.5 to 1.6 times the reinforcement edge (25) (35) of the four embodiments. Moreover, the value of the cross-sectional secondary moment of the reinforcing edge member (5) of the first embodiment is about 2.0 to 2.1 of the reinforcing edge members (25) (35) of the third embodiment and the fourth embodiment. Turned out to be double. In view of this calculation result, increasing the thickness of the upper and lower surfaces of the reinforcing edge increases not only the value of the moment of inertia of the cross section, but also the deflection strength, and projects above and below the connecting wall. It has been found that the reinforcing rib portion thus made increases the value of the moment of inertia of the cross section and consequently increases the flexural strength.
[0031]
【The invention's effect】
Depending on the above, the bath lid according to the present invention is such that a channel-shaped reinforcing edge material made of a heat-resistant hard material is tightly forcibly fitted to at least the long sides of the plate-like body facing each other, and the reinforcing edge material is included. In this manner, since the synthetic resin edge protector is integrally formed on the periphery of the plate-shaped main body, a bath lid in which the edge protector is reasonably integrated with the plate-shaped main body can be provided.
[0032]
When the reinforcing edge member is formed in such a manner that the tip portions of the upper surface plate portion and the lower surface plate portion generate a gap between the reinforcing plate and the plate body, the edge protector and the plate body are integrated. Is made stronger.
[0033]
Further, when the plate-like main body is provided with a through hole in a thickness direction at a position corresponding to the edge protector, and a synthetic resin constituting the edge protector is poured into the through hole at the time of molding, the edge protector And the plate-like main body are further integrated.
[0034]
The reinforcing edge member includes reinforcing rib portions that protrude upward and downward at the upper and lower ends of a connecting wall that connects one end of the upper surface plate portion and the lower surface plate portion, and project outward from the outer surfaces of the upper and lower plate portions. In this case, a high rigidity of the reinforcing edge material can be obtained, and a bath lid having excellent deflection strength can be provided.
[0035]
When the reinforcing rib portion is formed as a bulging portion having a curved cross section, and a gap is formed between the reinforcing rib portion and the plate-like main body, a low-foaming synthetic resin is formed on the core plate of the plate-like main body. Since the plate-like main body compressed by the forcibly-fitted reinforcing edge member is thicker than the compressed portion in the gap, it is possible to provide a bath lid in which the reinforcing edge member is not easily removed.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment of a bath lid according to the present invention.
2 is a cross-sectional view taken along line II-II in FIG.
FIG. 3 is a cross-sectional view of a main part before integrally forming the edge protector.
FIG. 4 is a perspective view of a plate-shaped main body according to an embodiment of the bath lid according to the present invention.
FIG. 5 is a cross-sectional view of an essential part of a second embodiment of a bath lid according to the present invention.
FIG. 6 is a cross-sectional view of an essential part of a third embodiment of a bath lid according to the present invention.
FIG. 7 is a cross-sectional view of an essential part of a fourth embodiment of a bath lid according to the present invention.
FIG. 8 is a perspective view of a conventional bath lid.
9 is a cross-sectional view taken along line IX-IX in FIG.
[Explanation of symbols]
F ... Bath lid 1 ... Plate-shaped body 2 ... Core plate 3 ... Aluminum thin plate 4 ... Through holes 5, 15, 25, 35 ... Reinforcement edges 5a, 15a, 25a, 35a ... Top plate portions 5b, 15b, 25b, 35b ... bottom plate 5c, 15c, 25c, 35c ... connecting walls 6, 16, 26, 36 ... reinforcing rib 7 ... gap 8 ... gap
10 ... Edge protector

Claims (4)

板状本体(1)の周縁に、アルミニウム押出型材からなるチャンネル状の補強縁材(5)が緊密に強制嵌合され、該補強縁材(5)を内包する態様で、前記板状本体(1)の周縁に軟質合成樹脂製エッジプロテクタ(10)が一体成形されると共に、
前記補強縁材(5)の、上面板部(5a)及び下面板部(5b)の各先端部が、板状本体(1)との間に隙間(7)(7)を生じさせる態様に形成され、この隙間(7)(7)にエッジプロテクター(10)を構成する樹脂が入り込んだものとなされていることを特徴とする風呂蓋。
The periphery of the plate-like body (1), the channel-shaped reinforcing rim material made of an aluminum extrusion (5) is closely fitted force, in a manner enclosing reinforcing the strip (5), the plate-like body ( peripheral soft synthetic resin-made edge protector (10) is formed integrally with Rutotomoni 1),
In the aspect in which the respective end portions of the upper surface plate portion (5a) and the lower surface plate portion (5b) of the reinforcing edge member (5) generate gaps (7) and (7) between the plate-like main body (1). A bath lid characterized by being formed and having a resin that constitutes the edge protector (10) entered into the gaps (7) and (7) .
前記板状本体(1)は、エッジプロテクター(10)との対応位置に厚さ方向に貫通孔(4)が設けられ、該貫通孔(4)に、エッジプロテクター(10)を構成する合成樹脂が成形時に流し込まれてなる請求項1に記載の風呂蓋。The plate-like body (1) is provided with a through hole (4) in the thickness direction at a position corresponding to the edge protector (10), and the synthetic resin constituting the edge protector (10) in the through hole (4). The bath lid according to claim 1, which is poured during molding. 前記補強縁材(5)は、上面板部(5a)と下面板部(5b)との一端を連結した連結壁の上下端に上方及び下方へ突出して前記上下両板部の外面より外方に張り出した補強リブ部(6)を備えてなる請求項1または請求項2のいずれかに記載の風呂蓋。The reinforcing edge member (5) protrudes upward and downward from the upper and lower ends of the connecting wall connecting one end of the upper surface plate portion (5a) and the lower surface plate portion (5b), and is outward from the outer surfaces of the upper and lower plate portions. The bath lid according to any one of claims 1 and 2, further comprising a reinforcing rib portion (6) projecting from the top. 前記板状本体(1)は、低発泡合成樹脂芯板(2)とその上下に積層一体化されたアルミニウム等の金属薄板(3)(3)との積層板である請求項1〜3のいずれか1項に記載の風呂蓋。The said plate-shaped main body (1) is a laminated board of metal thin plates (3) (3), such as a low foaming synthetic resin core board (2) and the lamination | stacking integrated on the upper and lower sides, The Claims 1-3 The bath lid according to any one of the above.
JP2001394834A 2001-12-26 2001-12-26 Bath lid Expired - Fee Related JP3742007B2 (en)

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JP4960820B2 (en) * 2007-09-25 2012-06-27 パナソニック株式会社 Bonding structure of adjacent lid plate in bath lid

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