JP2002068191A - Synthetic resin pallet - Google Patents
Synthetic resin palletInfo
- Publication number
- JP2002068191A JP2002068191A JP2000253527A JP2000253527A JP2002068191A JP 2002068191 A JP2002068191 A JP 2002068191A JP 2000253527 A JP2000253527 A JP 2000253527A JP 2000253527 A JP2000253527 A JP 2000253527A JP 2002068191 A JP2002068191 A JP 2002068191A
- Authority
- JP
- Japan
- Prior art keywords
- girder
- skid
- synthetic resin
- resin pallet
- side wall
- 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.)
- Granted
Links
Landscapes
- Pallets (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、合成樹脂で、それ
ぞれ、一体に成形された半製品である上部スキッドと下
部スキッドとを、桁部で溶着することにより形成される
合成樹脂製パレットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin pallet formed by welding an upper skid and a lower skid, which are semi-finished products, which are integrally formed of synthetic resin, at a girder portion. It is.
【０００２】[0002]
【従来の技術】一例として、図５〜図７に示されている
ように、四隅に形成された隅桁部１ａ’と、隅桁部１
ａ’の中間に形成された中間桁部１ｂ’と、中央部に形
成された中央桁部（図示されていない。）とを有する平
面形状が方形状の上部スキッドＳ１と、同様に、四隅に
形成された隅桁部１ａ”と、隅桁部１ａ”の中間に形成
された中間桁部１ｂ”と、中央部に形成された紂王桁部
１ｃ”とを有する、上記の上部スキッドＳ１と同一形状
の下部スキッドＳ２とを、それぞれ、合成樹脂で一体に
成形するとともに、上部スキッドＳ１の隅桁部１ａ’の
端面、中間桁部１ｂ’の端面及び中央桁部の端面と、下
部スキッドＳ２の隅桁部１ａ”の端面、中間桁部１ｂ”
の端面及び中央桁部１ｃ”の端面とを、それぞれ、互い
に溶着することにより形成される合成樹脂製パレットが
知られている。2. Description of the Related Art As an example, as shown in FIGS. 5 to 7, a corner girder 1a 'formed at four corners and a corner girder 1
Similarly to the upper skid S1 having a square planar shape having an intermediate girder portion 1b 'formed in the middle of a' and a central girder portion (not shown) formed in the center portion, similarly to the four corners. Same as the above upper skid S1 having the formed corner girder 1a ", the intermediate girder 1b" formed in the middle of the corner girder 1a ", and the queue girder girder 1c" formed in the center. The lower skid S2 having the shape is integrally formed with a synthetic resin, and the end surface of the corner girder 1a ', the end surface of the middle girder 1b' and the end surface of the center girder of the upper skid S1, and the lower skid S2 End face of corner girder 1a ", middle girder 1b"
And a pallet made of synthetic resin formed by welding the end face of the center girder part 1c "and the end face of the center girder part 1c" to each other.
【０００３】上述したようにして形成された合成樹脂製
パレットは、図６に示されているように、上部デッキボ
ード２と下部デッキボード３と、四隅に形成された隅桁
部１ａ’、１ａ”からなる筒状の隅桁１ａと、隅桁１ａ
の中間に形成された中間桁部１ｂ’、１ｂ”とからなる
筒状の中間桁１ｂと、中央桁部１ｃ’とからなる筒状の
中央桁（図示されていない。）とを有するとともに、隅
桁１ａと中間桁１ｂとの間及び中間桁１ｂと中央桁との
間には、フォークリフトのフォークが挿入可能なフォー
ク挿入孔４が形成されている。なお、下部スキッドＳ２
の隅桁部１ａ”と中間桁部１ｂ”及び中間桁部１ｂ”と
中央桁部１ｃ”とを、それぞれ連結する連結部５以外の
下部スキッドＳ２には、開口６が形成されている。As shown in FIG. 6, a synthetic resin pallet formed as described above has an upper deck board 2, a lower deck board 3, and corner girder portions 1a ', 1a formed at four corners. "A cylindrical corner girder 1a and a corner girder 1a
And a cylindrical central girder (not shown) composed of a central girder 1b 'and a central girder 1c'. A fork insertion hole 4 into which a fork of a forklift can be inserted is formed between the corner girder 1a and the middle girder 1b and between the middle girder 1b and the center girder.
An opening 6 is formed in the lower skid S2 other than the connecting portion 5 that connects the corner girder portion 1a "and the middle girder portion 1b" and the middle girder portion 1b "and the center girder portion 1c".
【０００４】また、上部スキッドＳ１の隅桁部１ａ’、
中間桁部１ｂ’及び中央桁部内には、隅桁部１ａ’、中
間桁部１ｂ’及び中央桁部と同じ高さを有する、適当な
桁内リブが、それぞれ、形成されている。同様に、下部
スキッドＳ２の隅桁部１ａ”、中間桁部１ｂ”及び中央
桁部１ｃ”内にも、隅桁部１ａ”、中間桁部１ｂ”及び
中央桁部１ｃ”と同じ高さを有する、適当な桁内リブ
が、それぞれ、形成されている。一例として、図５に
は、下部スキッドＳ２の隅桁部１ａ”内には、隅桁部１
ａ”の側壁に略平行な十字状に交差する桁内リブ１ａ
１”、１ａ２”が形成されており、また、下部スキッド
Ｓ２の中間桁部１ｂ”内には、中間桁部１ｂ”の側壁に
略平行な十字状に交差する桁内リブ１ｂ１”、１ｂ２”
が形成されており、更に、下部スキッドＳ２の中央桁部
１ｃ”内には、中央桁部１ｃ”の側壁に略平行な十字状
に交差する桁内リブ１ｃ１”、１ｃ２”が形成されてい
る例が示されている。上述したように、上部スキッドＳ
１と下部スキッドＳ２とは、同一形状に形成されてお
り、従って、上部スキッドＳ１の隅桁部１ａ’内、中間
桁部１ｂ’内及び中央桁部内にも、上記下部スキッドＳ
２の隅桁部１ａ”の桁内リブ１ａ１”、１ａ２”、中間
桁部１ｂ”の桁内リブ１ｂ１”、１ｂ２”及び中央桁部
１ｃ”の桁内リブ１ｃ１”、１ｃ２”と同じ桁内リブが
形成されている。そして、上述したように、上部スキッ
ドＳ１の隅桁部１ａ’の端面、中間桁部１ｂ’の端面及
び中央桁部の端面と、下部スキッドＳ２の隅桁部１ａ”
の端面、中間桁部１ｂ”の端面及び中央桁部１ｃ”の端
面とを、それぞれ、互いに溶着して合成樹脂製パレット
を製造する際には、各桁部の桁部側壁の端面と同様に、
各桁部内の桁内リブの端面も溶着されることになる。[0004] Also, the corner girder 1a 'of the upper skid S1;
Appropriate in-spar ribs having the same height as the corner girder 1a ', the middle girder 1b' and the center girder are formed in the middle girder 1b 'and the center girder, respectively. Similarly, the same height as the corner girder 1a ", the middle girder 1b" and the center girder 1c "is also provided in the corner girder 1a", the middle girder 1b "and the center girder 1c" of the lower skid S2. Suitable in-spar ribs are respectively formed. As an example, FIG. 5 shows that the corner girder 1a ″ of the lower skid S2 has a corner girder 1
a rib 1a crossing in a cross shape substantially parallel to the side wall of a "
1 ", 1a2" are formed, and in the middle girder portion 1b "of the lower skid S2, in-girder ribs 1b1", 1b2 "intersecting in a cross shape substantially parallel to the side wall of the middle girder portion 1b".
Further, in the center girder 1c "of the lower skid S2, there are formed girder ribs 1c1" and 1c2 "which cross in a cross shape substantially parallel to the side wall of the center girder 1c". An example is shown. As described above, the upper skid S
1 and the lower skid S2 are formed in the same shape. Therefore, the lower skid S1 is also provided in the corner girder 1a ', the middle girder 1b' and the center girder of the upper skid S1.
2, the same rib as the ribs 1a1 ", 1a2" in the girder of the second corner girder 1a ", the ribs 1b1", 1b2 "in the girder of the middle girder 1b" and the ribs 1c1 ", 1c2" in the girder of the center girder 1c ". As described above, the end faces of the corner girder 1a 'of the upper skid S1, the end faces of the middle girder 1b' and the center girder, and the corner girder 1a "of the lower skid S2 are formed.
When the synthetic resin pallet is manufactured by welding the end face of the intermediate girder part 1b ″ and the end face of the center girder part 1c ″ to each other, the same as the end face of the girder side wall of each girder part. ,
The end faces of the ribs in the girder in each girder portion are also welded.
【０００５】[0005]
【発明が解決しようとする課題】図６のＩ−Ｉ線に沿っ
た垂直断面図である図７を用いて、従来の合成樹脂製パ
レットが有する課題について説明する。The problem of the conventional synthetic resin pallet will be described with reference to FIG. 7 which is a vertical sectional view taken along the line II of FIG.
【０００６】上述した従来の隅桁部や中間桁部や中央桁
部を構成する桁部側壁や桁内リブの肉厚は、全て、略同
じ厚さに形成されており、また、これらの肉厚は、合成
樹脂製パレットの重量を軽減するために、近年、薄く形
成される傾向にある。例えば、桁部側壁や桁内リブの肉
厚は、２〜４ｍｍ程度に形成されている。[0006] The thickness of the side walls and the ribs in the girder of the conventional corner girder, middle girder and center girder are all substantially the same thickness. In recent years, the thickness tends to be thinner in order to reduce the weight of the synthetic resin pallet. For example, the wall thickness of the girder side wall and the girder rib is formed to be about 2 to 4 mm.
【０００７】上部スキッドＳ１の隅桁部１ａ’の端面、
中間桁部１ｂ’の端面及び中央桁部の端面と、下部スキ
ッドＳ２の隅桁部１ａ”の端面、中間桁部１ｂ”の端面
及び中央桁部１ｃ”の端面とを、それぞれ、互いに溶着
して合成樹脂製パレットを製造する際に、上部スキッド
Ｓ１と下部スキッドＳ２とが水平方向にずれた状態で溶
着すると、例えば、図７に示されているように、上部ス
キッドＳ１の隅桁部１ａ’の桁側壁１ａ３’と下部スキ
ッドＳ２の隅桁部１ａ”の桁側壁１ａ３”の端面及び上
部スキッドＳ１の隅桁部１ａ’の桁内リブ１ａ２’と下
部スキッドＳ２の隅桁部１ａ”の桁内リブ１ａ２”の端
面がずれて、接合面積が減少し、上部スキッドＳ１と下
部スキッドＳ２の接合強度が低下して、合成樹脂製パレ
ットが、接合部で損傷したり、破壊する等の問題があっ
た。なお、図７には、上部スキッドＳ１の中間桁部１
ｂ’の桁側壁１ｂ３’と下部スキッドＳ２の中間桁部１
ｂ”の桁側壁１ｂ３”の端面及び上部スキッドＳ１の中
間桁部１ｂ’の桁内リブ１ｂ２’と下部スキッドＳ２の
中間桁部１ｂ”の桁内リブ１ｂ２”の端面がずれて、こ
の部分での接合面積も減少している例も示されている。An end surface of the corner girder 1a 'of the upper skid S1;
The end face of the intermediate girder 1b 'and the end face of the center girder, the end face of the corner girder 1a ", the end face of the intermediate girder 1b" and the end face of the center girder 1c "of the lower skid S2 are welded to each other. When the upper skid S1 and the lower skid S2 are welded in a state of being shifted in the horizontal direction when a synthetic resin pallet is manufactured, for example, as shown in FIG. The end face of the girder side wall 1a3 ″ of the girder side wall 1a3 ′ of the lower skid S2, the girder side rib 1a2 ′ of the girder side wall 1a ′ of the upper skid S1 and the corner girder 1a ″ of the lower skid S2. The end face of the rib 1a2 ″ in the girder is shifted, the bonding area is reduced, the bonding strength between the upper skid S1 and the lower skid S2 is reduced, and the synthetic resin pallet is damaged or broken at the bonding portion. In addition, FIG. Middle digit of the skid S1 1
b ′ girder side wall 1b3 ′ and middle girder part 1 of lower skid S2
The end face of the girder side wall 1b3 "of b", the inside rib 1b2 'of the middle girder part 1b' of the upper skid S1, and the end face of the inner rib 1b2 "of the middle girder part 1b" of the lower skid S2 are displaced from each other. Also, there is shown an example in which the bonding area is reduced.
【０００８】本発明の目的は、上述した従来の合成樹脂
製パレットが有する課題を解決することにある。An object of the present invention is to solve the problems of the above-described conventional synthetic resin pallets.
【０００９】[0009]
【課題を解決するための手段】本発明は、上述した目的
を達成するために、合成樹脂で、それぞれ、一体に成形
された半製品である上部スキッドと下部スキッドとを、
桁部で溶着することにより形成される合成樹脂製パレッ
トにおいて、第１には、上部スキッド或いは下部スキッ
ドの何方か一方の桁部の桁側壁や桁内リブの肉厚を、も
う一方の上部スキッド或いは下部スキッドの桁部の桁側
壁や桁内リブの肉厚より厚くしたものであり、第２に
は、肉厚の厚い上部スキッド或いは下部スキッドの高さ
を、肉厚の薄い上部スキッド或いは下部スキッドの高さ
より低くしたものである。According to the present invention, in order to achieve the above-mentioned object, an upper skid and a lower skid, each of which is a semi-finished product made of synthetic resin, are integrally formed.
First, in a synthetic resin pallet formed by welding at a girder part, first, the thickness of a girder side wall or a rib in a girder part of one of an upper skid and a lower skid is set to the other upper skid. Alternatively, the thickness of the girder side wall of the girder portion of the lower skid and the thickness of the ribs in the girder are thicker. Second, the height of the thicker upper skid or lower skid is changed to the thinner upper skid or lower skid. It is lower than the height of the skid.
【００１０】[0010]
【実施例】以下に、本発明の実施例について説明する
が、本発明の趣旨を越えない限り何ら、本実施例に限定
されるものではない。なお、本発明の合成樹脂製パレッ
トも、上述した従来の合成樹脂製パレットと同様に、上
部スキッドの隅桁部の端面、中間桁部の端面及び中央桁
部の端面と、下部スキッドの隅桁部の端面、中間桁部の
端面及び中央桁部の端面とを、それぞれ、互いに溶着す
ることにより形成されるものであり、同じ構成部材につ
いては、上述した従来の合成樹脂製パレットにおいて使
用されている符号と同じ符号が使用されている。Embodiments of the present invention will be described below, but the present invention is not limited to these embodiments unless it departs from the gist of the present invention. In addition, the synthetic resin pallet of the present invention is also similar to the conventional synthetic resin pallet described above in that the end faces of the corner girder part of the upper skid, the end faces of the middle girder part and the center girder part, and the corner girder of the lower skid girder. The end face of the section, the end face of the intermediate girder and the end face of the center girder are formed by welding each other, and the same components are used in the above-mentioned conventional synthetic resin pallet. The same reference symbols are used.
【００１１】図１及び図２に示されている実施例は、下
部スキッドＳ２の隅桁部１ａ”の桁側壁１ａ３”と桁内
リブ１ａ１”、１ａ２”の肉厚ｔ”、下部スキッドＳ２
の中間桁部１ｂ”の桁側壁１ｂ３”と桁内リブ１ｂ
１”、１ｂ２”の肉厚ｔ”及び下部スキッドＳ２の中央
桁部１ｃ”の桁側壁１ｃ３”と桁内リブ１ｃ１”、１ｃ
２”の肉厚ｔ”を、上部スキッドＳ１の隅桁部１ａ’の
桁側壁１ａ３’と桁内リブ１ａ１’、１ａ２’の肉厚
ｔ’、上部スキッドＳ１の中間桁部１ｂ’の桁側壁１ｂ
３’と桁内リブ１ｂ１’、１ｂ２’の肉厚ｔ’及び上部
スキッドＳ１の中央桁部の桁側壁と桁内リブの肉厚よ
り、厚くしたものである。例えば、上部スキッドＳ１の
各桁部の桁側壁及び桁内リブの肉厚を、２〜３．５ｍｍ
とし、下部スキッドＳ２の各桁部の桁側壁及び桁内リブ
の肉厚を、４〜５ｍｍとする。In the embodiment shown in FIGS. 1 and 2, the side wall 1a3 ″ of the corner girder 1a ″ of the lower skid S2 and the thickness t ″ of the ribs 1a1 ″ and 1a2 ″ in the lower skid S2, and the lower skid S2
Girder side wall 1b3 ″ of middle girder portion 1b ″ and rib 1b in the girder
1 ", 1b2", the thickness t ", the girder side wall 1c3" of the center girder 1c "of the lower skid S2 and the ribs 1c1", 1c in the girder.
The thickness t "of 2" is changed to the girder side wall 1a3 'of the corner girder 1a' of the upper skid S1 and the thickness t 'of the ribs 1a1' and 1a2 'in the girder, and the girder side wall of the middle girder 1b' of the upper skid S1. 1b
3 ', the thickness t' of the in-spar ribs 1b1 ', 1b2' and the thickness of the girder side walls and the in-spar ribs at the center girder of the upper skid S1. For example, the thickness of the girder side wall and the girder rib of each girder part of the upper skid S1 is set to 2 to 3.5 mm.
The thickness of the girder side wall and the girder rib of each girder portion of the lower skid S2 is 4 to 5 mm.
【００１２】上述したように、下部スキッドＳ２の各桁
部の桁側壁及び桁内リブの肉厚を、上部スキッドＳ１の
各桁部の桁側壁及び桁内リブの肉厚より、厚く形成する
ことにより、下部スキッドＳ２に対して、上部スキッド
Ｓ１が水平方向にずれても、下部スキッドＳ２の各桁部
の桁側壁及び桁内リブの端面と、上部スキッドＳ１の各
桁部の桁側壁及び桁内リブの端面との接合面積が減少す
るようなことがなく、従って、上部スキッドＳ１と下部
スキッドＳ２の接合強度が向上し、ひいては、合成樹脂
製パレットの強度が向上し、合成樹脂製パレットの耐久
性能が向上することになる。As described above, the thickness of the girder side wall and the girder rib of each girder part of the lower skid S2 is formed to be thicker than the girder side wall and the girder rib of each girder part of the upper skid S1. Accordingly, even if the upper skid S1 is shifted in the horizontal direction with respect to the lower skid S2, the girder side walls of the girder portions of the lower skid S2 and the end faces of the ribs in the girder, and the girder side walls and girder of each girder portion of the upper skid S1. The joint area between the inner rib and the end surface does not decrease, and therefore, the joint strength between the upper skid S1 and the lower skid S2 is improved, and the strength of the synthetic resin pallet is improved. The durability performance will be improved.
【００１３】図３に示されている実施例は、図１及び図
２に示されている実施例において、下部スキッドＳ２の
各桁部の高さｈ１を、上部スキッドＳ１の各桁部の高さ
ｈ２より、低くしたものであり、合成樹脂製パレットの
全体の高さＨは、図１及び図２に示されている実施例の
合成樹脂製パレットと同一である。このように、桁部の
桁側壁及び桁内リブの肉厚ｔ”を厚くした下部スキッド
Ｓ２の桁部の高さｈ１を、肉厚ｔ’の薄い上部スキッド
Ｓ１の高さｈ２より低くすることにより、下部スキッド
Ｓ２の重量を軽減することができ、ひいては、合成樹脂
製パレット全体の重量の増加を抑えることができる。ま
た、桁部の桁側壁及び桁内リブの肉厚ｔ”を厚くする
と、デッキ面との肉厚差により、下部スキッドＳ２に変
形（反り）が生じる場合があるので、このような変形
（反り）を抑えるために、肉厚ｔ”の厚い下部スキッド
Ｓ２の桁部の高さｈ１を、上記のように低くすることが
好ましい。The embodiment shown in FIG. 3 is different from the embodiment shown in FIGS. 1 and 2 in that the height h1 of each girder of the lower skid S2 is changed by the height h of each girder of the upper skid S1. The height H of the synthetic resin pallet is lower than that of the synthetic resin pallet of the embodiment shown in FIGS. 1 and 2. As described above, the height h1 of the girder portion of the lower skid S2 in which the girder side wall of the girder portion and the girder ribs in the girder are thicker is made smaller than the height h2 of the upper skid S1 having a smaller thickness t '. As a result, the weight of the lower skid S2 can be reduced, and the increase in the weight of the entire synthetic resin pallet can be suppressed. The lower skid S2 may be deformed (warped) due to a difference in thickness from the deck surface. In order to suppress such deformation (warping), the lower skid S2 having a thicker t " Preferably, the height h1 is reduced as described above.
【００１４】図４に示されている実施例は、上述した図
１や図２に示されている実施例及び図３に示されている
実施例とは逆に、上部スキッドＳ１の各桁部の桁側壁及
び桁内リブの肉厚ｔ’を、下部スキッドＳ２の各桁部の
桁側壁及び桁内リブの肉厚ｔ”より、厚く形成するとと
もに、下部スキッドＳ２の各桁部の高さｈ１を、上部ス
キッドＳ１の各桁部の高さｈ２より、高くしたものであ
り、合成樹脂製パレットの全体の高さＨは、図１や図２
及び図３に示されている実施例の合成樹脂製パレットと
同一である。このように構成することにより、図３に示
されている実施例と同様に、上部スキッドＳ１の重量を
軽減することができ、ひいては、合成樹脂製パレット全
体の重量の増加を抑えることができる。The embodiment shown in FIG. 4 is opposite to the embodiment shown in FIGS. 1 and 2 and the embodiment shown in FIG. The thickness t ′ of the girder side wall and the girder rib of the lower skid S2 is formed larger than the thickness t ″ of the girder side wall and the girder rib of each girder part of the lower skid S2, and the height of each girder part of the lower skid S2. h1 is higher than the height h2 of each girder portion of the upper skid S1, and the overall height H of the synthetic resin pallet is as shown in FIGS.
And the same as the synthetic resin pallet of the embodiment shown in FIG. With this configuration, similarly to the embodiment shown in FIG. 3, the weight of the upper skid S1 can be reduced, and the increase in the weight of the entire synthetic resin pallet can be suppressed.
【００１５】下部スキッドＳ２の隅桁部１ａ”と中間桁
部１ｂ”及び中間桁部１ｂ”と中央桁部１ｃ”とを、そ
れぞれ連結する連結部５以外の下部スキッドＳ２に、開
口６が形成されている場合には、図１や図２及び図３に
示されている実施例のように、下部スキッドＳ２の各桁
部の桁側壁及び桁内リブの肉厚ｔ”を、上部スキッドＳ
１の各桁部の桁側壁及び桁内リブの肉厚ｔ’より、厚く
形成することにより、開口６が形成されているための下
部スキッドＳ２の強度低下を補償することができ、ひい
ては、合成樹脂製パレットの強度や剛性を高めることが
できる。An opening 6 is formed in the lower skid S2 other than the connecting portion 5 for connecting the corner girder 1a "and the intermediate girder 1b" and the intermediate girder 1b "and the center girder 1c" of the lower skid S2. 1, the thickness t ″ of the girder side wall and the girder rib of each girder portion of the lower skid S2 and the upper skid S as in the embodiment shown in FIGS.
By making the thickness of the girder side wall and the girder rib of each girder part 1 thicker than the thickness t 'of the girder part, it is possible to compensate for the decrease in the strength of the lower skid S2 due to the formation of the opening 6, and as a result, The strength and rigidity of the resin pallet can be increased.
【００１６】上述した実施例においては、各桁部内に、
１個の十字状に交差する桁内リブが形成されている例が
示されているが、公知のように、交差リブを含め、種々
の桁内リブを、多数、形成することができ、このような
場合には、上部スキッドＳ１或いは下部スキッドＳ２の
桁側壁及び桁内リブの全部を、肉厚に形成することな
く、上部スキッドＳ１或いは下部スキッドＳ２の桁側壁
及び桁内リブのうち、桁側壁のみ、或いは、桁内リブの
所望のもの、又は、桁側壁と桁内リブの所望のものを、
適宜、肉厚に形成することもできる。In the above-described embodiment, in each digit portion,
Although an example is shown in which one cross-shaped rib in the cross is formed, as is known, a large number of various ribs including the cross rib can be formed. In such a case, the entire girder side wall and the girder rib of the upper skid S1 or the lower skid S2 are not formed to be thick, and the girder side wall and the girder rib of the upper skid S1 or the lower skid S2 are not formed. Only the side wall, or the desired one of the ribs in the spar, or the desired one of the spar side wall and the ribs in the spar,
It can also be formed to be thick as appropriate.
【００１７】なお、上述した実施例は、４方差しの合成
樹脂製パレットを用いて説明されているが、当然のこと
ながら、２方差しの合成樹脂製パレットにも、本発明の
趣旨を適用することができる。Although the above embodiment has been described using a four-way synthetic resin pallet, the present invention is naturally applied to a two-way synthetic resin pallet. can do.
【００１８】[0018]
【発明の効果】本発明は、以上説明した構成を有してい
るので、以下に記載する効果を奏するものである。Since the present invention has the above-described structure, the following effects can be obtained.
【００１９】上部スキッド或いは下部スキッドの何方か
一方の桁部の桁側壁や桁内リブの肉厚を、もう一方の上
部スキッド或いは下部スキッドの桁部の桁側壁や桁内リ
ブの肉厚より厚くしたので、下部スキッドに対して、上
部スキッドが水平方向にずれても、下部スキッドの桁部
と上部スキッドの桁部の接合面積が減少するようなこと
がなく、従って、上部スキッドと下部スキッドの接合強
度が向上し、ひいては、合成樹脂製パレットの強度が向
上し、合成樹脂製パレットの耐久性能が改善できる。The thickness of the girder side wall or the rib in the girder of one of the upper skid or the lower skid is larger than the thickness of the girder side wall or the rib in the girder of the other upper skid or the lower skid. Therefore, even if the upper skid is displaced in the horizontal direction with respect to the lower skid, the joining area between the girder of the lower skid and the girder of the upper skid does not decrease. The joining strength is improved, and the strength of the synthetic resin pallet is improved, and the durability of the synthetic resin pallet can be improved.
【００２０】肉厚の厚い上部スキッド或いは下部スキッ
ドの高さを、肉厚の薄い上部スキッド或いは下部スキッ
ドの高さより低くしたことにより、合成樹脂製パレット
全体の重量の増加を抑えることができる。By making the height of the thicker upper skid or lower skid lower than the height of the thinner upper skid or lower skid, an increase in the weight of the entire synthetic resin pallet can be suppressed.
【図１】図１は本発明の合成樹脂製パレットを構成する
上部スキッドと下部スキッドの分解斜視図である。FIG. 1 is an exploded perspective view of an upper skid and a lower skid constituting a synthetic resin pallet of the present invention.
【図２】図２は本発明の合成樹脂製パレットの隅桁及び
中間桁の略中央部に沿った部分垂直断面図である。FIG. 2 is a partial vertical sectional view of a synthetic resin pallet of the present invention along a substantially central portion of a corner girder and an intermediate girder.
【図３】図３は本発明の別の実施例の合成樹脂製パレッ
トの隅桁及び中間桁の略中央部に沿った部分垂直断面図
である。FIG. 3 is a partial vertical cross-sectional view of a synthetic resin pallet according to another embodiment of the present invention along a substantially central portion of a corner girder and an intermediate girder.
【図４】図４は本発明の更に別の実施例の合成樹脂製パ
レットの隅桁及び中間桁の略中央部に沿った部分垂直断
面図である。FIG. 4 is a partial vertical sectional view of a synthetic resin pallet according to still another embodiment of the present invention along a substantially central portion of a corner girder and an intermediate girder.
【図５】図５は従来の合成樹脂製パレットを構成する上
部スキッドと下部スキッドの分解斜視図である。FIG. 5 is an exploded perspective view of an upper skid and a lower skid constituting a conventional synthetic resin pallet.
【図６】図６は従来の合成樹脂製パレットの斜視図であ
る。FIG. 6 is a perspective view of a conventional synthetic resin pallet.
【図７】図７は図６のＩ−Ｉ線に示されている隅桁及び
中間桁の略中央部に沿った部分垂直断面図である。FIG. 7 is a partial vertical sectional view taken along a substantially central portion of a corner girder and an intermediate girder indicated by line II in FIG.
Ｓ１・・・・・・・・・・上部スキッド Ｓ２・・・・・・・・・・下部スキッド １ａ’、１ａ”・・・・・隅桁部 １ｂ’、１ｂ”・・・・・中間桁部 １ｃ”・・・・・・・・・中央桁部 S1 ... upper skid S2 ... lower skid 1a ', 1a "... corner girder 1b', 1b" ... middle Girder part 1c "... Central girder part
Claims (2)
半製品である上部スキッドと下部スキッドとを、桁部で
溶着することにより形成される合成樹脂製パレットにお
いて、上部スキッド或いは下部スキッドの何方か一方の
桁部の桁側壁や桁内リブの肉厚を、もう一方の上部スキ
ッド或いは下部スキッドの桁部の桁側壁や桁内リブの肉
厚より厚くしたことを特徴とする合成樹脂製パレット。1. A synthetic resin pallet formed by welding an upper skid and a lower skid, each of which is a semi-finished product made of a synthetic resin, are integrally formed. The thickness of the girder side wall or rib in one of the girder portions is made thicker than the thickness of the girder side wall or rib in the girder portion of the other upper skid or lower skid. palette.
ドの高さを、肉厚の薄い上部スキッド或いは下部スキッ
ドの高さより低くしたことを特徴とする請求項１に記載
の合成樹脂製パレット。2. The synthetic resin pallet according to claim 1, wherein the height of the thick upper skid or the lower skid is smaller than the height of the thin upper skid or the lower skid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000253527A JP4213334B2 (en) | 2000-08-24 | 2000-08-24 | Plastic pallet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000253527A JP4213334B2 (en) | 2000-08-24 | 2000-08-24 | Plastic pallet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002068191A true JP2002068191A (en) | 2002-03-08 |
| JP4213334B2 JP4213334B2 (en) | 2009-01-21 |
Family
ID=18742608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000253527A Expired - Fee Related JP4213334B2 (en) | 2000-08-24 | 2000-08-24 | Plastic pallet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4213334B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107119A (en) * | 2007-10-26 | 2009-05-21 | Sanko Co Ltd | Structure of mold for synthetic resin pallet and skid |
-
2000
- 2000-08-24 JP JP2000253527A patent/JP4213334B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107119A (en) * | 2007-10-26 | 2009-05-21 | Sanko Co Ltd | Structure of mold for synthetic resin pallet and skid |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4213334B2 (en) | 2009-01-21 |
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