JPH0431283B2 - - Google Patents
Info
- Publication number
- JPH0431283B2 JPH0431283B2 JP60234309A JP23430985A JPH0431283B2 JP H0431283 B2 JPH0431283 B2 JP H0431283B2 JP 60234309 A JP60234309 A JP 60234309A JP 23430985 A JP23430985 A JP 23430985A JP H0431283 B2 JPH0431283 B2 JP H0431283B2
- Authority
- JP
- Japan
- Prior art keywords
- chips
- layer
- flooring
- diaphragm
- pellet
- 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
Links
- 239000008188 pellet Substances 0.000 claims description 37
- 238000009408 flooring Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 46
- 239000000463 material Substances 0.000 description 45
- 238000005245 sintering Methods 0.000 description 8
- 238000007731 hot pressing Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は床材、詳しくはチツプ柄模様を有する
床材の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a flooring material, and more particularly to a method for manufacturing a flooring material having a chip pattern.
床材の表面に合成樹脂チツプや天然物の細片等
よりなるチツプを多数並べて一体化したチツプ柄
模様付きの床材は、従来、表面全体がチツプ柄模
様で覆われたものが主流であつた。従つて、従来
より基材層の表面にチツプを密に並べ、それらの
チツプを基材層と一体化することにより表面全体
がチツプ柄模様で覆われた床材を製造する技術に
ついては種々検討されていた。
Conventionally, flooring with a chip pattern, which is made by arranging and integrating a large number of chips made of synthetic resin chips or small pieces of natural materials on the surface of the flooring material, has been mainly covered with a chip pattern on the entire surface. Ta. Therefore, various studies have been conducted on techniques for producing flooring materials whose entire surface is covered with a chip pattern by arranging chips densely on the surface of a base material layer and integrating the chips with the base material layer. It had been.
例えば、移動台の上に合成樹脂ペーストを塗布
した裏打材を置き、ロールに密に並べて保持させ
た多数のチツプを上記ペーストに受け渡した後、
焼結とホツトプレスとを行う方法もその一つであ
る。この方法によると、基材層の表面全体を覆う
ように密に並んだ多数のチツプが該基材層と一体
化するので、表面全体がチツプ柄模様で覆われた
床材が製造される。 For example, a backing material coated with synthetic resin paste is placed on a moving table, and a large number of chips held in close rows on a roll are transferred to the paste.
One such method is sintering and hot pressing. According to this method, a large number of chips arranged closely so as to cover the entire surface of the base material layer are integrated with the base material layer, so that a flooring material whose entire surface is covered with a chip pattern is manufactured.
しかし、近年では、表面全体がチツプ模様で覆
われた床材の他に、チツプ柄模様が表面に散在し
た床材を使いたいという要求があり、そのような
床材を製造する技術の開発が待望されている。 However, in recent years, in addition to flooring whose entire surface is covered with a chip pattern, there has been a demand for flooring with chip patterns scattered over the surface, and the development of technology to manufacture such flooring has become necessary. It's long awaited.
ところが、上述したように従来は表面全体がチ
ツプ柄模様で覆われた床材が主流であつたので、
表面にチツプ柄模様が散在する床材を製造する方
法については余り検討が加えられておらず、上記
要求に応えたいときは、合成樹脂よりなるペレツ
ト層の上に手作業によつてチツプを間隔をあけて
並べ、その後、ペレツト層を焼結して基材層を形
成し、次にホツトプレスするといつた方法が採用
されていた。しかし、この方法においては、手作
業でチツプを並べることに多くの手間がかかり、
量産に向かないといつた問題点がある。
However, as mentioned above, in the past, flooring materials whose entire surface was covered with a chip pattern were the mainstream.
Not much research has been done on the method of producing flooring materials with chip patterns scattered on the surface, and in order to meet the above requirements, it is necessary to manually place chips at intervals on a pellet layer made of synthetic resin. A method was used in which the pellets were arranged with openings, then the pellet layer was sintered to form a base material layer, and then hot pressed. However, with this method, it takes a lot of effort to line up the chips manually.
There are some problems that make it unsuitable for mass production.
本発明はこの問題点を解決するもので、移動台
上に乗つて連続的に移動する合成樹脂粉末層又は
ペレツト層に上に大型のチツプを間隔をあけて並
べ、その後、上記の焼結とホツトプレスとを行う
ことによつて、表面にチツプ柄模様がまばらに散
在する床材を連続的に製造する方法を提供するこ
とを目的とする。 The present invention solves this problem by arranging large chips at intervals on a synthetic resin powder layer or pellet layer that is continuously moved on a moving table, and then carrying out the above-mentioned sintering process. The purpose of the present invention is to provide a method for continuously manufacturing a flooring material having chip patterns sparsely scattered on its surface by hot pressing.
上記問題点を解決するため、本発明方法は、連
続走行する移動台の上に送給した合成樹脂粉末又
はペレツトを略均一厚みにならしてホツトプレス
する床材の製造方法において、上記ペレツトより
大型のチツプを振動板上へ間欠的に送給し、振動
させながら移動させ、チツプ相互間に間隔を保持
させた状態で上記粉末層又はペレツト層へ連続送
給する点を要旨としている。
In order to solve the above-mentioned problems, the method of the present invention provides a flooring manufacturing method in which synthetic resin powder or pellets are fed onto a continuously moving movable table and are hot-pressed to a substantially uniform thickness. The gist of this method is to intermittently feed the chips onto the diaphragm, move them while vibrating them, and continuously feed them to the powder layer or pellet layer while maintaining a distance between the chips.
上記手段によると、一度に多くの大型チツプが
振動板上へ送給されても、そのチツプが振動板上
を振動しながら移動する間に次第にまばらに並
び、その後、チツプ相互間に間隔を保持した状態
で振動板からペレツト層の上へ順次連続送給され
る。従つて、その後の焼結及びホツトプレスを通
じて、表面にチツプ柄模様がまばらに散在する床
材が製造される。また、振動板へは大型チツプを
間欠的に送給するので、振動板から粉末層又はペ
レツト層へはチツプが適当な間隔を保持しながら
連続的に送給される。
According to the above means, even if many large chips are fed onto the diaphragm at once, the chips are gradually lined up sparsely while vibrating on the diaphragm, and then the chips are kept spaced apart from each other. In this state, the pellets are continuously fed from the diaphragm onto the pellet layer. Therefore, through subsequent sintering and hot pressing, a flooring material with chip pattern patterns sparsely scattered on the surface is manufactured. Furthermore, since large chips are intermittently fed to the diaphragm, the chips are continuously fed from the diaphragm to the powder layer or pellet layer while maintaining appropriate intervals.
次に、本発明の実施例を図面を参照して説明す
る。
Next, embodiments of the present invention will be described with reference to the drawings.
本発明方法は第1図に例示した床材連続製造装
置を使用して実施することができる。同装置にお
いて、1はローラ2,2に巻掛けられた無端ベル
トよりなる移動台であり、図外の駆動源によつて
一定方向(図中、右方向)へ所定速度で連続走行
する。この移動台1にはホツパ3に貯えられてい
る合成樹脂ペレツト(又は合成樹脂粉末)を連続
的に送給する。移動台1の上に送給されたペレツ
トは、移動台1のうえに乗つて移動し、ならし板
4の作用で均一厚みにならされてペレツト層Pと
なる。次に、このペレツト層Pの上にチツプCを
送給する。チツプCはホツパ5に貯えられてお
り、このホツパ5から落下するチツプCが間欠的
に開閉するゲート6を通して振動板7の上に落下
し、この振動板7上を振動しながら移動してペレ
ツト層Pへ送給される。このように振動板7の上
を大型チツプCが振動しながら移動することによ
り、ゲート6を通して振動板7へ落下した時点で
チツプCが山盛り状態になつていても、振動板7
上を移動する間にその山が崩れ、当初は重なつた
りひつついていた一つ一つのチツプCが次第にば
らされてまばらになり、チツプCの相互間に間隔
が保たれる。従つて、チツプCは振動板7からば
らばらと滑り落ち、ペレツト層Pが移動台1の上
に乗つて連続移動していることと相まつて、ペレ
ツト層Pへ送給されたチツプCの相互間にペレツ
ト層Pの移動方向及び幅方向の間隔が保持され
る。振動板7へはチツプCを間欠的に供給する
が、その供給タイミングは、振動板7上のチツプ
落下場所に先に供給したチツプが無くなる前とし
ておく。このタイミングでチツプCを振動板へ供
給すると、ペレツト層Pへ送給されるチツプCが
とだえることはなく、ペレツト層Pの全長に亘つ
てほぼ均一の間隔でチツプCが散在する。ペレツ
ト層Pに送給されるチツプCの相互間隔を変える
には、例えば、振動板7の振幅や振動板7の長さ
や振動板7の傾斜角度を変えることが有効であ
る。バツチ式に開閉するゲート6には、第2図に
例示したような一対に揺動蓋61,61を図中仮
想線の位置と実線の位置との間で同時に開閉揺動
させる形式のもののほか、ロール形式のもの等を
使うことが可能である。上記揺動蓋61はペレツ
ト層の幅とほぼ同幅であるが、揺動板61自身は
単板状でも良く、数個に分割さればらばらに動く
ようになされていてもよい。 The method of the present invention can be carried out using the continuous flooring manufacturing apparatus illustrated in FIG. In this device, reference numeral 1 denotes a movable table consisting of an endless belt wound around rollers 2, 2, and is continuously moved at a predetermined speed in a fixed direction (to the right in the drawing) by a drive source (not shown). Synthetic resin pellets (or synthetic resin powder) stored in a hopper 3 are continuously fed to the moving table 1. The pellets fed onto the movable table 1 move on the movable table 1, and are smoothed to a uniform thickness by the action of the leveling plate 4 to form a pellet layer P. Next, chips C are fed onto this pellet layer P. Chips C are stored in a hopper 5, and the chips C falling from the hopper 5 fall onto a diaphragm 7 through a gate 6 that opens and closes intermittently, and move on this diaphragm 7 while vibrating to form pellets. It is sent to layer P. By moving the large chips C while vibrating on the diaphragm 7 in this way, even if the chips C are heaped up when they fall onto the diaphragm 7 through the gate 6, the diaphragm 7
While moving over the top, the mountain collapses, and the individual chips C, which were initially stacked one on top of the other, gradually become scattered and scattered, and the chips C maintain a distance between each other. Therefore, the chips C slide apart from the diaphragm 7, and together with the fact that the pellet layer P is continuously moving on the moving table 1, the chips C that are fed to the pellet layer P are The distance between the pellet layers P in the moving direction and the width direction is maintained. Chips C are intermittently supplied to the diaphragm 7, but the timing of the supply is set before the chips previously supplied to the chip drop location on the diaphragm 7 run out. If the chips C are fed to the diaphragm at this timing, the chips C fed to the pellet layer P will not stop, and the chips C will be scattered at substantially uniform intervals over the entire length of the pellet layer P. In order to change the mutual spacing between the chips C fed to the pellet layer P, it is effective to change the amplitude of the diaphragm 7, the length of the diaphragm 7, and the inclination angle of the diaphragm 7, for example. The gate 6 that opens and closes in a batch manner includes a gate 6 that opens and closes a pair of swinging lids 61, 61 simultaneously between the position of the imaginary line and the position of the solid line in the figure, as illustrated in FIG. , roll type, etc. can be used. The swinging lid 61 has approximately the same width as the pellet layer, but the swinging plate 61 itself may be in the form of a single plate, or may be divided into several pieces so that they can move separately.
チツプCが送給されたペレツト層Pは、その
後、焼結炉8を通過する。焼結炉8ではペレツト
層Pが加熱されてペレツトの表面層が溶融し、ペ
レツト同士が熱融着して一体化する。これにより
ペレツト層Pが帯状の基材層9となる。従つて、
基材層9においては、ペレツトの中心部、即ち、
焼結炉8を通る間に溶融せずに元のまま残つた部
分が密に点在することになる。次に、基材層9を
その上に散在しているチツプCと共にホツトプレ
スする。ホツトプレスは昇温条件下で上下一対の
ロール10,10間に基材層9を通すことによつ
て行つても、或いは、プレス板を用いてバツチ式
に行つてもよい。このホツトプレスによつてペレ
ツト間に存在していた隙間が埋まつて基材層9の
表面が平滑になり、かつ、チツプCが基材層9に
埋め込まれる。基材層9が冷却硬化した後、基材
層9の裏面に裏打材を貼り付ける等の所定の処理
を施す。所定の処理には、裏打材の貼着の他、ア
クリル樹脂等による表面被覆処理等がある。 The pellet layer P to which the chips C have been fed then passes through a sintering furnace 8. In the sintering furnace 8, the pellet layer P is heated, the surface layer of the pellet is melted, and the pellets are thermally fused and integrated. As a result, the pellet layer P becomes a strip-shaped base material layer 9. Therefore,
In the base material layer 9, the center of the pellet, that is,
While passing through the sintering furnace 8, portions that are not melted and remain as they were will be scattered densely. Next, the base material layer 9 is hot pressed together with the chips C scattered thereon. Hot pressing may be carried out by passing the base material layer 9 between a pair of upper and lower rolls 10 under elevated temperature conditions, or may be carried out in batches using a press plate. By this hot pressing, the gaps existing between the pellets are filled, the surface of the base layer 9 becomes smooth, and the chips C are embedded in the base layer 9. After the base layer 9 is cooled and hardened, a predetermined process such as attaching a backing material to the back surface of the base layer 9 is performed. The predetermined treatments include attaching a backing material and surface coating with acrylic resin or the like.
第3図は上記の方法で連続的に製造した長尺の
床材を、方形、例えば30cm角に裁断したタイル状
のチツプ模様付き床材Aを例示している。同図に
おいて、11は裏打材である。このようなチツプ
模様付き床材Aは、基材層9の表面にチツプCが
散在し、しかもそれらのチツプCの間の基材層9
の表面には、上述した焼結時にペレツトの溶融し
なかつた部分が密に点在している。従つて、今ま
でにない新しい柄の表面模様の床材となる。本発
明のチツプ模様付き床材Aにおいて、チツプCと
基材層9との表面滑性を異ならせておけば、床材
全体としては滑り止め作用を発揮するので、例え
ばプールサイドの滑り止め床材等にも適する。ま
た、上述したホツトプレスによつてチツプCを基
材層9に埋め込んでも、チツプCが基材層9から
盛り上がつていることもあるが、その盛り上がり
は却つて立体感のある新鮮な間隔の床材を提供で
きるものであり、また、滑り止めと言う面でも役
立つ。 FIG. 3 illustrates a tile-shaped chip-patterned flooring material A obtained by cutting a long flooring material continuously manufactured by the above method into rectangular pieces, for example, 30 cm square. In the figure, 11 is a backing material. Such a chip-patterned flooring material A has chips C scattered on the surface of the base material layer 9, and the base material layer 9 between the chips C.
The surface of the pellet is densely scattered with portions where the pellet was not melted during the sintering described above. Therefore, it becomes a flooring material with a surface pattern that is unprecedented. In the chip-patterned flooring A of the present invention, if the chips C and the base material layer 9 have different surface smoothness, the flooring as a whole will exhibit an anti-slip effect. Also suitable for materials such as wood. Furthermore, even if the chips C are embedded in the base material layer 9 by the above-mentioned hot press, the chips C may bulge out from the base material layer 9. It can provide flooring material and is also useful in terms of anti-slip properties.
本発明方法に使用する合成樹脂ペレツトの組成
は、例えばPVC100部に対し、DOP50部、炭酸カ
ルシウム100〜150部とすればよく、ペレツトの大
きさは5〜10cm程度のものを好適に使用できる。
基材層を着色するためには、上記組成に適量の顔
料を加える。顔料を加えた場合は、基材層の表面
に密に点在するペレツトの溶融しなかつた部分と
溶融した部分とに色調の差が出て、これが基材層
の表面にまばらに散在するチツプ模様と影響しあ
つて今までになかつた新柄の表面模様となる。ま
た、チツプとしては、PVCのプレートのような
合成樹脂を断裁した合成樹脂チツプは勿論、木片
や鉱物等の天然物を破砕したチツプを使用するこ
とも可能である。どのようなチツプを用いるか
は、床材の敷設箇所の色調やデザイン、或いは床
材に要求される性状を勘案して適宜決定すべきで
ある。 The composition of the synthetic resin pellets used in the method of the present invention may be, for example, 100 parts of PVC, 50 parts of DOP, and 100 to 150 parts of calcium carbonate, and pellets having a size of about 5 to 10 cm can be suitably used.
To color the base layer, an appropriate amount of pigment is added to the above composition. When a pigment is added, a difference in color appears between the unmelted portions of the pellets that are densely scattered on the surface of the base material layer and the molten portions, and this creates a difference in color between the chips that are sparsely scattered on the surface of the base material layer. It interacts with the pattern to create a new surface pattern that has never been seen before. Further, as chips, it is possible to use not only synthetic resin chips made by cutting synthetic resin such as PVC plates, but also chips made from crushed natural materials such as wood chips and minerals. The type of chip to be used should be determined appropriately by taking into consideration the color tone and design of the area where the flooring material is to be installed, as well as the properties required of the flooring material.
以上の説明から明らかなように、本発明方法は
従来のチツプ柄模様付き床材の製造装置に若干の
改良を加えるだけで実施できるので、従来装置を
大幅に変更することなく、基材層の表面にチツプ
柄模様が散在した床材を連続的に安価に量産でき
るようになる。また、本発明方法によつて製造さ
れたチツプ柄模様付き床材のチツプ柄模様は従来
あまり汎用されなかつた柄模様であり、新しい柄
というだけでなくチツプと基材層との滑性の違い
によつて滑り止め等の作用も発揮させることがで
きるものであるから、例えばマンシヨンやデパー
ト等の傾斜のある通路やプールサイド等のように
華麗さや滑りにくさが要求される場所に敷設する
床材として最適である。
As is clear from the above explanation, the method of the present invention can be carried out by only making slight improvements to the conventional chip patterned flooring manufacturing equipment, so the method of the present invention can be carried out without making any major changes to the conventional equipment. It becomes possible to continuously mass-produce flooring materials with chip patterns scattered on the surface at low cost. In addition, the chip pattern of the chip patterned flooring material manufactured by the method of the present invention is a pattern that has not been widely used in the past, and is not only a new pattern, but also has a difference in the slipperiness between the chip and the base material layer. Because it can also exhibit anti-slip effects, it is suitable for floors that are installed in places where elegance and non-slip properties are required, such as sloping aisles in condominiums and department stores, poolsides, etc. Ideal as a material.
第1図は床材の連続製造装置を示す概略側面
図、第2図はゲートを例示した概略側面図、第3
図は本発明方法によつて製造されたチツプ模様付
き床材の斜視図である。
1……移動台、4……ならし板、6……ゲー
ト、7……振動板、8……焼結炉、9……基材
層、10……ホツトプレス用のロール、P……ペ
レツト層、C……チツプ層。
Fig. 1 is a schematic side view showing a continuous flooring manufacturing equipment, Fig. 2 is a schematic side view illustrating a gate, and Fig. 3 is a schematic side view showing a continuous flooring manufacturing equipment.
The figure is a perspective view of a chip-patterned flooring material manufactured by the method of the present invention. DESCRIPTION OF SYMBOLS 1...Moving table, 4... Leveling plate, 6... Gate, 7... Vibration plate, 8... Sintering furnace, 9... Base material layer, 10... Roll for hot press, P... Pellet Layer, C...chip layer.
Claims (1)
粉末又はペレツトを略均一厚みにならしてホツト
プレスする床材の製造方法において、上記ペレツ
トより大型のチツプを振動板上へ間欠的に送給
し、振動させながら移動させ、チツプ相互間に間
隔を保持させた状態で上記粉末層又はペレツト層
へ連続送給することを特徴とするチツプ柄模様付
き床材の製造方法。1. In a flooring manufacturing method in which synthetic resin powder or pellets fed onto a continuously moving moving table are hot-pressed to a substantially uniform thickness, chips larger than the pellets are intermittently fed onto a diaphragm. A method for manufacturing flooring with a patterned chip pattern, characterized in that the chips are continuously fed to the powder layer or pellet layer by moving the chips while vibrating and maintaining a gap between the chips.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23430985A JPS6294313A (en) | 1985-10-19 | 1985-10-19 | Preparation of flooring material with chip-shaped pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23430985A JPS6294313A (en) | 1985-10-19 | 1985-10-19 | Preparation of flooring material with chip-shaped pattern |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6294313A JPS6294313A (en) | 1987-04-30 |
JPH0431283B2 true JPH0431283B2 (en) | 1992-05-26 |
Family
ID=16968980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23430985A Granted JPS6294313A (en) | 1985-10-19 | 1985-10-19 | Preparation of flooring material with chip-shaped pattern |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6294313A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032716A (en) * | 2009-07-31 | 2011-02-17 | Takiron Co Ltd | Floor sheet |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2962081A (en) * | 1957-05-20 | 1960-11-29 | Congoleum Nairn Inc | Apparatus for producing decorative composition sheets |
US2987104A (en) * | 1957-09-19 | 1961-06-06 | Congoleum Nairn Inc | Method of producing decorative surface covering |
US3218382A (en) * | 1960-01-14 | 1965-11-16 | Congoleum Nairn Inc | Decorative surface covering |
US3265548A (en) * | 1963-10-29 | 1966-08-09 | Congoleum Nairn Inc | Processes for preparing decorative surface coverings |
JPS56117656A (en) * | 1980-02-22 | 1981-09-16 | Negishi Seisakusho | Manufacturing device for chip arranged pattern sheet |
JPS5943284A (en) * | 1982-09-06 | 1984-03-10 | Toshiba Corp | Valve gland seal structure |
JPS6017313U (en) * | 1983-07-15 | 1985-02-05 | 旭硝子株式会社 | injection mold |
JPS6051256A (en) * | 1983-08-30 | 1985-03-22 | 富双合成株式会社 | Inlaid floor material |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6017313Y2 (en) * | 1978-05-15 | 1985-05-28 | アロン化成株式会社 | Vibrating inclined plate for chip array |
-
1985
- 1985-10-19 JP JP23430985A patent/JPS6294313A/en active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2962081A (en) * | 1957-05-20 | 1960-11-29 | Congoleum Nairn Inc | Apparatus for producing decorative composition sheets |
US2987104A (en) * | 1957-09-19 | 1961-06-06 | Congoleum Nairn Inc | Method of producing decorative surface covering |
US3218382A (en) * | 1960-01-14 | 1965-11-16 | Congoleum Nairn Inc | Decorative surface covering |
US3265548A (en) * | 1963-10-29 | 1966-08-09 | Congoleum Nairn Inc | Processes for preparing decorative surface coverings |
JPS56117656A (en) * | 1980-02-22 | 1981-09-16 | Negishi Seisakusho | Manufacturing device for chip arranged pattern sheet |
JPS5943284A (en) * | 1982-09-06 | 1984-03-10 | Toshiba Corp | Valve gland seal structure |
JPS6017313U (en) * | 1983-07-15 | 1985-02-05 | 旭硝子株式会社 | injection mold |
JPS6051256A (en) * | 1983-08-30 | 1985-03-22 | 富双合成株式会社 | Inlaid floor material |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032716A (en) * | 2009-07-31 | 2011-02-17 | Takiron Co Ltd | Floor sheet |
Also Published As
Publication number | Publication date |
---|---|
JPS6294313A (en) | 1987-04-30 |
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