JP3073078U - Winter boots - Google Patents

Winter boots

Info

Publication number
JP3073078U
JP3073078U JP2000003053U JP2000003053U JP3073078U JP 3073078 U JP3073078 U JP 3073078U JP 2000003053 U JP2000003053 U JP 2000003053U JP 2000003053 U JP2000003053 U JP 2000003053U JP 3073078 U JP3073078 U JP 3073078U
Authority
JP
Japan
Prior art keywords
sponge
rubber
elastic sheet
winter
sheet
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.)
Expired - Lifetime
Application number
JP2000003053U
Other languages
Japanese (ja)
Inventor
利之 広江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fukuyama Rubber Industry Co Ltd
Original Assignee
Fukuyama Rubber Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fukuyama Rubber Industry Co Ltd filed Critical Fukuyama Rubber Industry Co Ltd
Priority to JP2000003053U priority Critical patent/JP3073078U/en
Application granted granted Critical
Publication of JP3073078U publication Critical patent/JP3073078U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

(57)【要約】 【課題】 軽量で保温効果に優れ、且つ耐水性や耐久性
に優れた防寒靴の提供。 【解決手段】 甲部をゴム等の弾性材、筒部を伸縮性編
織布を貼着したネオプレンスポンジ又はラテックススポ
ンジからなる防水弾性シートで形成すると共に、甲部裏
布上縁と筒部の防水弾性シート下端とをチドリ縫いで一
体的に縫合したものとなし、縫合部及び甲部裏布上には
ゴムシートを重合処理する。このさい、ネオプレンスポ
ンジ又はラテックススポンジの表裏両面に対しては綿、
レーヨン、ナイロン、ポリエステル、アクリル、メタ型
アラミド、パラ型アラミド等の繊維を使用した伸縮性編
織布を貼着させてある。
(57) [Summary] [Problem] To provide a winter shoe that is lightweight, has excellent heat retaining effect, and is excellent in water resistance and durability. SOLUTION: The upper part is made of an elastic material such as rubber, and the cylindrical part is formed of a waterproof elastic sheet made of a neoprene sponge or a latex sponge to which a stretchable woven fabric is adhered. The lower end of the elastic sheet is integrally stitched by stitching, and the rubber sheet is polymerized on the stitched portion and the upper back cloth. At this time, cotton on both sides of neoprene sponge or latex sponge,
A stretchable woven fabric using fibers such as rayon, nylon, polyester, acrylic, meta-type aramid, para-type aramid and the like is stuck.

Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【考案の属する技術分野】[Technical field to which the invention belongs]

本考案は防寒長靴、防寒作業靴の改良に関する。 The present invention relates to improvement of winter boots and cold work shoes.

【0002】[0002]

【従来の技術】[Prior art]

従来の防寒長靴は靴の外面がゴム又は軟質PVCのものが殆どであり、足の保 温は靴の裏布を厚くするか、又はインナーの使用によるものしかなかった。また 、甲部をゴム、筒部を異素材とした長靴は甲部と筒部を夫々れ別々に成型し、後 工程で縫合するか、あるいは接着などの手段を用いて一体化するのが一般的であ る。 In most conventional winter boots, the outer surface of the shoe is mostly made of rubber or soft PVC, and the warming of the foot can only be achieved by thickening the shoe's backing cloth or using an inner. In general, boots with the upper part made of rubber and the cylindrical part made of a different material are generally molded separately from the upper part and the cylindrical part, and then sewn in a later process or integrated using a means such as bonding. It is a target.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the invention]

ところで、外面がゴム又は軟質PVCの靴の場合、保温効果を上げようとすれ ば靴が重くなるばかりでなく、その保温性にも限りがあり、決して満足できる保 温効果は期待できず、また筒部に異素材を用いた靴は防水性、耐久性に問題が多 く、更に製作工程が複雑になるという問題があった。 By the way, in the case of rubber or soft PVC shoes on the outer surface, trying to increase the heat insulation effect not only makes the shoes heavier, but also the heat insulation is limited, and a satisfactory heat insulation effect cannot be expected. Shoes using a different material for the tube have many problems in waterproofness and durability, and also have the problem that the manufacturing process becomes complicated.

【0004】[0004]

【課題を解決するための手段】[Means for Solving the Problems]

本考案は、保温効果が大きく、軽量でしかも防水性に優れた伸縮性編織布を貼 着したネオプレンスポンジ又はラテックススポンジからなる防水弾性シートで筒 部を形成するほか、甲部裏布上縁と筒部の防水弾性シート下端とをチドリ縫いで 一体的に縫合したものとなし、接合部及び甲部裏布上にゴムシートを重合処理し た構成とする。 このさい、ネオプレンスポンジ又はラテックススポンジの表裏両面には綿、レ ーヨン、ナイロン、ポリエステル、アクリル、メタ型アラミド、パラ型アラミド 等の繊維を使用した伸縮性編織布を貼着させ、また甲部裏布上縁と筒部の防水弾 性シート下端とをチドリ縫いした縫合線を、踵部側の踝の凡そ10mm程度上方 位置から爪先にかけて約5度の角度で前傾するように構成したり、底部材をEV A又はウレタンなどの発泡底となしたりする。このようにしたものでは軽量で且 つ歩行し易いものとなる。 In the present invention, in addition to forming the cylindrical part with a waterproof elastic sheet made of a neoprene sponge or latex sponge that has a large thermal insulation effect and is lightweight and has excellent waterproofness, it is attached to the upper edge of the upper back cloth. The lower end of the waterproof elastic sheet of the cylindrical part shall be stitched integrally with stitching, and the rubber sheet shall be polymerized on the joint and the upper back cloth. At this time, a neoprene sponge or a latex sponge is attached on both sides with an elastic woven fabric using fibers such as cotton, rayon, nylon, polyester, acrylic, meta-type aramid, para-type aramid, etc. The suture line obtained by stitching the upper edge of the cloth and the lower end of the waterproof elastic sheet of the tubular portion is inclined forward at an angle of about 5 degrees from about 10 mm above the ankle on the heel side to the toe. The bottom member may be a foamed bottom such as EVA or urethane. In this way, it is lightweight and easy to walk.

【0005】[0005]

【考案の実施の形態】[Embodiment of the invention]

図1は本考案に係る防寒長靴の一部破断側面図、図2は図1のX−X線断面図 、図3は本考案で使用する長靴用裏布の側面図である。 1は筒部であって、ネオプレンスポンジ又はラテックススポンジ1aの表及び 又は裏面に対し綿、レーヨン、ナイロン、ポリエステル、アクリル、メタ型アラ ミド、パラ型アラミドなど合成繊維の糸を使用した伸縮性編織布1bを貼着(図 示例では表面に貼着)したシートを所定の抜型を使用して裁断すると共に、背筋 部を縫合して円筒形状に形成する。このさい2は掬い縫いミシンと接着剤を併用 して取り付けられてなる飾りである。なお、防水弾性シートのネオプレンスポン ジ又はラテックススポンジ1aの表面及び又は裏面に貼着する伸縮性編織布1b は靴の用途に合わせて適宜な種類のものが選択される。 FIG. 1 is a partially cutaway side view of a winter boot according to the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 1, and FIG. 3 is a side view of a backing cloth for boots used in the present invention. Reference numeral 1 denotes a tubular portion, which is a stretchable knitted or woven fabric made of synthetic fibers such as cotton, rayon, nylon, polyester, acrylic, meta-type aramid, and para-type aramid on the front and / or back of the neoprene sponge or latex sponge 1a. The sheet to which the cloth 1b is attached (in the illustrated example, attached to the surface) is cut using a predetermined die, and the back is sewn to form a cylindrical shape. The decoration 2 is a decoration attached by using a scoop sewing machine and an adhesive in combination. The elastic knitted fabric 1b to be attached to the front and / or back surface of the neoprene sponge or latex sponge 1a of the waterproof elastic sheet is selected from appropriate types according to the use of the shoe.

【0006】 而して、上記円筒形状に形成した筒部1の下端には吸汗性の良好な綿起毛編布 又は綿編布mを貼着したウレタンスポンジを、下端部が半円弧状pでロック縫い により靴下状に縫合して形成される甲部裏布3と対合させ、両者をチドリ縫いk によって一体的に縫合するものとなし、且つ筒部1と甲部裏布3との縫合線より 上方の凡そ10mm程度の巾間の背筋部及び甲部裏布全体に接着剤を塗布し、背 筋部にはゴムテープ4を貼り、他方甲部裏布上にはゴムシート5を当接し重合処 理により甲部を形成するのである。[0006] At the lower end of the cylindrical portion 1 formed in the above-mentioned cylindrical shape, a cotton raised knitted fabric or a urethane sponge having a cotton knitted fabric m adhered thereto is attached, and the lower end has a semicircular arc p. It is to be combined with the upper back cloth 3 formed by sewn in a sock shape by lock stitching, and both are integrally sewn together by the stitch stitch k, and the seam between the tubular portion 1 and the upper back cloth 3 is stitched. An adhesive is applied to the entire back lining and upper backing between the widths of about 10 mm above the line, and a rubber tape 4 is applied to the backing, and a rubber sheet 5 is abutted on the upper backing. The upper part is formed by polymerization treatment.

【0007】 ところで、筒部1を形成するネオプレンスポンジ又はラテックススポンジの防 水弾性シート1aは厚さ5mm〜7mm、これに対し甲部裏布3の厚さは2mm 〜3mmであり、従って縫合線には厚さの差による段差が生じるものの、ゴムシ ート5の上端縁はチドリ縫い線kに沿って上記の重合処理が施されてなり、加え てゴムシート5の上端縁と筒部1の縫合線上方の凡そ10mm巾間を跨る状態で ゴムテープ6が貼付されて縫目を完全にシールさせるものとなっているのである 。 而して、上記の加硫が終了するとEVAゴムまたはポリウレタンよりなる発泡 底7を貼着し、履口部にはカフ9を縫着するのである。The neoprene sponge or latex sponge water-proof elastic sheet 1a that forms the cylindrical portion 1 has a thickness of 5 mm to 7 mm, whereas the thickness of the upper back cloth 3 is 2 mm to 3 mm, and accordingly, the suture line Although there is a step due to the difference in thickness, the upper end edge of the rubber sheet 5 is subjected to the above-described polymerization along the stitch stitching line k, and in addition, the upper end edge of the rubber sheet 5 and the cylindrical portion 1 are formed. The rubber tape 6 is stuck over a width of about 10 mm above the suture line to completely seal the seam. When the above vulcanization is completed, the foam bottom 7 made of EVA rubber or polyurethane is adhered, and the cuff 9 is sewn to the mouthpiece.

【0008】 本考案に於いて、筒部1と甲部裏布3との縫合線は次の如く形成する。即ち踵 部側の踝の凡そ10mm程度上方位置から凡そ5度のθ角度で爪先方向へ向かっ て前傾するようになすのであり、これは幾多の実験結果から歩行時の足の動きに 従って甲部から筒部にかけての靴の屈曲が自然に行われるようになる上で優れる のであり、この高さ及び角度が歩行を最もスムースになし、且つ足が靴の内壁面 に密着した状態を保ち易いものとなる。[0008] In the present invention, the suture line between the tubular portion 1 and the upper back cloth 3 is formed as follows. That is, from the position approximately 10 mm above the ankle on the heel side, the toe is inclined forward toward the toe at an angle of about 5 degrees, which is based on the results of many experiments and according to the movement of the foot during walking. It is excellent in that the shoe bends naturally from the part to the tube part, and this height and angle make walking the smoothest, and it is easy to keep the foot in close contact with the inner wall surface of the shoe It will be.

【0009】[0009]

【考案の効果】[Effect of the invention]

本考案は以上の通り構成するのであって、筒部にネオプレンスポンジ又はラテ ックススポンジからなる防水弾性シートを使用すると共に、底部はEVAゴムま たはポリウレタン発砲底を使用することから断熱、保温両面での防寒長靴をして の性能を飛躍的に向上させるものとなり、更に軽量で防水性能を含めた履心地の 点でも一段と優れたものを低コストで提供できるものである。 The present invention is constructed as described above.The waterproof elastic sheet made of neoprene sponge or latex sponge is used for the cylindrical part, and the bottom is made of EVA rubber or polyurethane foam. It will dramatically improve the performance of winter boots, and it will be able to provide lighter and more comfortable products including waterproof performance at a lower cost.

【提出日】平成12年6月19日(2000.6.19)[Submission date] June 19, 2000 (2000.6.19)

【手続補正3】[Procedure amendment 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0004[Correction target item name] 0004

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0004】[0004]

【課題を解決するための手段】[Means for Solving the Problems]

本考案は、保温効果が大きく、軽量でしかも防水性に優れた伸縮性編織布を貼 着した合成ゴムスポンジからなる防水弾性シートで筒部を形成するほか、甲部裏 布上縁と筒部の防水弾性シート下端とをチドリ縫いで一体的に縫合したものとな し、接合部及び甲部裏布上にゴムシートを重合処理した構成とする。 このさい、合成ゴムスポンジの表裏両面には綿、レーヨン、ナイロン、ポリエ ステル、アクリル、メタ型アラミド、パラ型アラミド等の繊維を使用した伸縮性 編織布を貼着させ、また甲部裏布上縁と筒部の防水弾性シート下端とをチドリ縫 いした縫合線を、踵部側の踝の凡そ10mm程度上方位置から爪先にかけて約5 度の角度で前傾するように構成したり、底部材をEVA又はウレタンなどの発泡 底となしたりする。このようにしたものでは軽量で且つ歩行し易いものとなる。 The present invention uses a waterproof elastic sheet consisting of a synthetic rubber sponge with a lightweight, highly waterproof, stretchable woven fabric that has a large thermal insulation effect, and has excellent waterproof properties. The lower end of the waterproof elastic sheet shall be stitched together by stitching, and the rubber sheet shall be polymerized on the joint and the upper back cloth. At this time, a synthetic elastic sponge is attached to the front and back sides with an elastic woven fabric using fibers such as cotton, rayon, nylon, polyester, acrylic, meta-aramid, para-aramid, etc. The suture line obtained by stitching the edge and the lower end of the waterproof elastic sheet of the cylindrical portion is inclined forward at an angle of about 5 degrees from about 10 mm above the ankle on the heel side to the toe, or the bottom member is formed. As a foam bottom such as EVA or urethane. In this way, it is lightweight and easy to walk.

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0005[Correction target item name] 0005

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0005】[0005]

【考案の実施の形態】[Embodiment of the invention]

図1は本考案に係る防寒長靴の一部破断側面図、図2は図1のX−X線断面図 、図3は本考案で使用する長靴用裏布の側面図である。 1は筒部であって、ネオプレン(登録商標)スポンジやラテックススポンジな どの合成ゴムスポンジ1aの表及び又は裏面に対し綿、レーヨン、ナイロン、ポ リエステル、アクリル、メタ型アラミド、パラ型アラミドなど合成繊維の糸を使 用した伸縮性編織布1bを貼着(図示例では表面に貼着)したシートを所定の抜 型を使用して裁断すると共に、背筋部を縫合して円筒形状に形成する。このさい 2は掬い縫いミシンと接着剤を併用して取り付けられてなる飾りである。なお、 防水弾性シートの合成ゴムスポンジ1aの表面及び又は裏面に貼着する伸縮性編 織布1bは靴の用途に合わせて適宜な種類のものが選択される。 FIG. 1 is a partially cutaway side view of a winter boot according to the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 1, and FIG. 3 is a side view of a backing cloth for boots used in the present invention. Reference numeral 1 denotes a cylindrical portion, which is made of synthetic rubber sponge 1a such as neoprene (registered trademark) sponge or latex sponge, and is made of cotton, rayon, nylon, polyester, acrylic, meta-type aramid, para-type aramid, etc. The sheet to which the elastic woven fabric 1b using the fiber thread is attached (in the illustrated example, attached to the surface) is cut using a predetermined die, and the spine is sewn to form a cylindrical shape. . The decoration 2 is a decoration attached using a scoop sewing machine and an adhesive in combination. The elastic woven fabric 1b to be attached to the front and / or back surface of the synthetic rubber sponge 1a of the waterproof elastic sheet is selected from appropriate types according to the use of the shoe.

【手続補正5】[Procedure amendment 5]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0007[Correction target item name] 0007

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0007】 ところで、筒部1を形成するネオプレン(登録商標)スポンジ又はラテックス スポンジの防水弾性シート1aは厚さ5mm〜7mm、これに対し甲部裏布3の 厚さは2mm〜3mmであり、従って縫合線には厚さの差による段差が生じるも のの、ゴムシート5の上端縁はチドリ縫い線kに沿って上記の重合処理が施され てなり、加えてゴムシート5の上端縁と筒部1の縫合線上方の凡そ10mm巾間 を跨る状態でゴムテープ6が貼付されて縫目を完全にシールさせるものとなって いるのである。 而して、上記の加硫が終了するとEVAゴムまたはポリウレタンよりなる発泡 底7を貼着し、履口部にはカフ9を縫着するのである。Incidentally, the waterproof elastic sheet 1a of neoprene (registered trademark) sponge or latex sponge forming the tubular portion 1 has a thickness of 5 mm to 7 mm, whereas the thickness of the upper back cloth 3 is 2 mm to 3 mm. Therefore, although a step occurs due to the difference in thickness in the suture line, the upper edge of the rubber sheet 5 is subjected to the above-described polymerization processing along the staggered stitch line k. A rubber tape 6 is applied over a width of about 10 mm above the suture line of the tubular portion 1 to completely seal the seam. When the above vulcanization is completed, the foam bottom 7 made of EVA rubber or polyurethane is adhered, and the cuff 9 is sewn to the mouthpiece.

【手続補正6】[Procedure amendment 6]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0009[Correction target item name] 0009

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0009】[0009]

【考案の効果】[Effect of the invention]

本考案は以上の通り構成するのであって、筒部に合成ゴムスポンジからなる防 水弾性シートを使用すると共に、底部はEVAゴムまたはポリウレタン発砲底を 使用することから断熱、保温両面での防寒長靴をしての性能を飛躍的に向上させ るものとなり、更に軽量で防水性能を含めた履心地の点でも一段と優れたものを 低コストで提供できるものである。 The present invention is constructed as described above. The waterproof rubber sheet made of synthetic rubber sponge is used for the cylindrical portion, and the bottom is made of EVA rubber or polyurethane foam. This will dramatically improve the performance of a vehicle, and it will provide even more excellent products at a lower cost in terms of comfort, including light weight and waterproof performance.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本考案に係る防寒長靴の側面図である。FIG. 1 is a side view of a winter boot according to the present invention.

【図2】図1のX−X線断面図である。FIG. 2 is a sectional view taken along line XX of FIG.

【図3】本考案で使用する長靴用裏布の側面図である。FIG. 3 is a side view of the boot cloth used in the present invention.

【符号の説明】[Explanation of symbols]

1 筒部 2 飾り 3 甲部裏布 4 ゴムテープ 5 ゴムシート 6 ゴムテープ 7 発砲底 9 履口カフ DESCRIPTION OF SYMBOLS 1 Tube part 2 Decoration 3 Upper back cloth 4 Rubber tape 5 Rubber sheet 6 Rubber tape 7 Shooting bottom 9 Cuff

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成12年6月19日(2000.6.1
9)
[Submission Date] June 19, 2000 (2006.1.
9)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】請求項1[Correction target item name] Claim 1

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【手続補正2】[Procedure amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】請求項2[Correction target item name] Claim 2

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

Claims (4)

【実用新案登録請求の範囲】[Utility model registration claims] 【請求項1】 甲部をゴム等の弾性材、筒部を伸縮性編
織布を貼着したネオプレンスポンジ又はラテックススポ
ンジからなる防水弾性シートで形成すると共に、甲部裏
布上縁と筒部の防水弾性シート下端とをチドリ縫いで一
体的に縫合したものとなし、接合部及び甲部裏布上にゴ
ムシートを重合処理した構成を特徴とする防寒長靴。
An upper part is formed of a waterproof elastic sheet made of an elastic material such as rubber, and a cylindrical part is made of a neoprene sponge or a latex sponge to which an elastic knitted fabric is adhered. A winter boot characterized in that the lower end of the waterproof elastic sheet is integrally stitched with stitching, and a rubber sheet is polymerized on the joint and the upper back cloth.
【請求項2】 ネオプレンスポンジ又はラテックススポ
ンジの表裏両面に対して綿、レーヨン、ナイロン、ポリ
エステル、アクリル、メタ型アラミド、パラ型アラミド
等の繊維を使用した伸縮性編織布を貼着させたことを特
徴とする請求項1記載の防寒長靴。
2. A stretchable woven fabric using fibers such as cotton, rayon, nylon, polyester, acrylic, meta-type aramid, and para-type aramid is attached to both sides of neoprene sponge or latex sponge. The winter boots according to claim 1, characterized in that:
【請求項3】 甲部裏布上端と筒部の防水弾性シート下
端とをチドリ縫いした縫合線を、踵部側の踝の凡そ10
mm程度上方位置から爪先にかけて約5度の角度で前傾
するように構成したことを特徴とする請求項1又は2記
載の防寒長靴。
3. A suture line obtained by stitching the upper end of the upper back cloth and the lower end of the waterproof elastic sheet of the cylindrical portion to about 10 mm of the ankle on the heel side.
The winter boots according to claim 1 or 2, wherein the boots are inclined forward at an angle of about 5 degrees from an upper position of about mm to a toe.
【請求項4】 底部材をEVAゴム又はポリウレタンか
らなる発泡底となしたことを特徴とする請求項1,2又
は3記載の防寒長靴。
4. The winter boots according to claim 1, wherein the bottom member is a foamed bottom made of EVA rubber or polyurethane.
JP2000003053U 2000-05-09 2000-05-09 Winter boots Expired - Lifetime JP3073078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000003053U JP3073078U (en) 2000-05-09 2000-05-09 Winter boots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000003053U JP3073078U (en) 2000-05-09 2000-05-09 Winter boots

Publications (1)

Publication Number Publication Date
JP3073078U true JP3073078U (en) 2000-11-14

Family

ID=43206328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000003053U Expired - Lifetime JP3073078U (en) 2000-05-09 2000-05-09 Winter boots

Country Status (1)

Country Link
JP (1) JP3073078U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004024493A (en) * 2002-02-05 2004-01-29 Keimei Chin Waterproofing boots

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004024493A (en) * 2002-02-05 2004-01-29 Keimei Chin Waterproofing boots

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