JP2515589Y2 - Retreaded tire - Google Patents
Retreaded tireInfo
- Publication number
- JP2515589Y2 JP2515589Y2 JP7801090U JP7801090U JP2515589Y2 JP 2515589 Y2 JP2515589 Y2 JP 2515589Y2 JP 7801090 U JP7801090 U JP 7801090U JP 7801090 U JP7801090 U JP 7801090U JP 2515589 Y2 JP2515589 Y2 JP 2515589Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer diameter
- tire
- retreaded
- tires
- retreaded tire
- 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.)
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Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は更生タイヤに係り、特にトラック、バス用の
重荷重用空気入りタイヤの更生タイヤに関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a retreaded tire, and more particularly to a retreaded tire for heavy duty pneumatic tires for trucks and buses.
従来、新品のトラック、バス用の重荷重用空気入りタ
イヤ、例えばタイヤサイズが1000R20の重荷重用空気入
りラジアルタイヤの一事例の場合には、タイヤの外径寸
法は中心値が1048mm、そのばらつきは約±2mmとされて
いる。Conventionally, in the case of a new heavy duty pneumatic tire for trucks and buses, for example, one example of a heavy duty pneumatic radial tire with a tire size of 1000R20, the outer diameter of the tire has a center value of 1048 mm and its variation is about It is set to ± 2 mm.
この重荷重用空気入りラジアルタイヤは、トラック、
バス等に接着され、充填内圧、荷重、速度、走行距離等
が異なる使用条件下で使用され、摩耗した後に更生され
再度使用されている。This pneumatic radial tire for heavy loads is used for trucks,
It is adhered to a bus etc. and used under different usage conditions such as filling internal pressure, load, speed, running distance, etc., and after being worn, it is rehabilitated and reused.
また、重荷重用空気入りラジアルタイヤにおいては、
充填内圧が大きいため、使用することによってベルト部
が拡径しタイヤの外径が大きくなる。このタイヤ外径成
長は使用条件により大きく異なり、更生時のタイヤの外
径は大きくばらつく。従って、例えばリモールド更生方
法による更生時には、夫々大きさの異なるＳ、Ｌ、Ｍ等
の数種類のモールドを用意し、これらのモールドのうち
タイヤの外径にあったモールドを選び、そのモールドで
新しいトレツドゴムを貼着したタイヤを加硫している。
このため、更生タイヤにおいては、同一サイズのタイヤ
においても、実際には外径寸法が異なる数種類のタイヤ
ができる。In addition, for heavy duty pneumatic radial tires,
Since the filling internal pressure is large, the diameter of the belt portion is expanded and the outer diameter of the tire is increased by using it. The growth of the outer diameter of the tire varies greatly depending on the use conditions, and the outer diameter of the tire during retread varies greatly. Therefore, for example, at the time of rehabilitation by the remolding rehabilitation method, prepare several kinds of molds such as S, L, and M having different sizes, select a mold suitable for the outer diameter of the tire from these molds, and use the new tread rubber. The tire to which is attached is vulcanized.
Therefore, in the case of retreaded tires, several kinds of tires having different outer diameters can be actually formed even if the tires have the same size.
従来、これらの外径寸法が異なるタイヤに付いては、
外観上区別が付き難く、同一サイズのタイヤとして取り
扱われている。Conventionally, for tires with different outer diameter dimensions,
It is difficult to distinguish in appearance and they are treated as tires of the same size.
従って、第６図に示されるトレーラ30の他軸輪32や、
第７図に示されるトラツク34の複輪36に外径寸法が異な
るタイヤが混在して使用されることがある。この場合、
第８図（Ａ）に示される外径大（L1）のタイヤ38の荷重
負担は、外径小（L2）のタイヤ40との外径差Ｌ（Ｌ＝L1
−L2）に対して第１表の関係となることが知られてい
る。Therefore, the other axle 32 of the trailer 30 shown in FIG.
Tires having different outer diameters may be mixed and used in the compound wheel 36 of the track 34 shown in FIG. in this case,
The load bearing of the tire 38 having a large outer diameter (L1) shown in FIG. 8 (A) is different from the tire 40 having a small outer diameter (L2) by the outer diameter difference L (L = L1).
It is known that the relationship of -L2) is as shown in Table 1.
また、外径差Ｌと外径大（L1）のタイヤ38及び外径小
（L2）のタイヤ40の各摩耗速度との関係は第２表のよう
になることが知られている。 Further, it is known that the relationship between the outer diameter difference L and each wear rate of the tire 38 having a large outer diameter (L1) and the tire 40 having a small outer diameter (L2) is as shown in Table 2.
即ち、外径寸法の大きい方のタイヤ38は、路面から余
分な外力を受ける。また外径寸法の小さい方のタイヤ40
は、接地面内のスリツプが発生する。このため、タイヤ
性能が充分に発揮されないと共に、偏摩耗、セパレーシ
ョンの発生によってタイヤの寿命を縮めるという不具合
がある。 That is, the tire 38 having the larger outer diameter dimension receives an excessive external force from the road surface. The tire with the smaller outer diameter 40
Causes slippage in the ground plane. As a result, the tire performance is not fully exhibited, and uneven wear and separation occur to shorten the life of the tire.
また、第８図（Ｂ）に示す多軸車の場合も、第８図
（Ａ）の複輪車の場合と同様に荷重負担、摩耗速度にか
たよりが発生し、各軸のタイヤが本来の機能を発揮出来
なくなる。Also, in the case of the multi-axle vehicle shown in FIG. 8 (B), the load bearing and the wear rate are biased as in the case of the multi-wheeled vehicle of FIG. Will not be able to exert its function.
本考案は上記事実を考慮し、タイヤの外観品質の低下
を招くことなく、同一サイズの更生タイヤにおける外径
の大きさを識別することができる更生タイヤを得ること
が目的である。The present invention has been made in view of the above facts, and an object thereof is to obtain a retreaded tire capable of identifying the size of the outer diameter of retreaded tires of the same size without deteriorating the appearance quality of the tire.
請求項（１）記載の本考案は、同一サイズの更生タイ
ヤにおける外径の大きさを識別するための外径表示手段
を設けたことを特徴としている。The present invention according to claim (1) is characterized in that outer diameter display means for identifying the outer diameter of retreaded tires of the same size is provided.
また、請求項（２）記載の本考案は、前記外径表示手
段をトレツド部の陸部に設けたことを特徴としている。Further, the present invention according to claim (2) is characterized in that the outer diameter display means is provided on a land portion of the tread portion.
また、請求項（３）記載の本考案は、前記外径表示手
段をトレツド部の溝部に設けたことを特徴としている。Further, the present invention according to claim (3) is characterized in that the outer diameter display means is provided in a groove portion of the tread portion.
また、請求項（４）記載の本考案は、前記外径表示手
段をタイヤサイド部に設けたことを特徴としている。Further, the present invention according to claim (4) is characterized in that the outer diameter display means is provided on a tire side portion.
また、請求項（５）記載の本考案は、前記外径表示手
段を凸部と凹部の少なくとも何方か一方としたことを特
徴としている。Further, the present invention according to claim (5) is characterized in that the outer diameter display means is at least one of a convex portion and a concave portion.
また、請求項（６）記載の本考案は、前記外径表示手
段をラベルとしたことを特徴としている。Further, the present invention according to claim (6) is characterized in that the outer diameter display means is a label.
上記構成の本考案においては、タイヤの外径を識別す
るための外径表示手段が更生タイヤに設けられている。
従って、これらの更生タイヤを在庫又は車両に装着する
場合に、外径表示手段によってタイヤの外径の大きさを
識別することができ、外径の異なるタイヤが混在するこ
とを防止できる。このため、外径差の少ない更生タイヤ
をトラツク、バス等の複輪や、多軸輪に装着することが
でき、タイヤ性能を充分に引き出すことができると共
に、偏摩耗、セパレーションの発生を抑制してタイヤの
寿命を伸ばすことができる。In the present invention having the above-mentioned structure, the retreaded tire is provided with the outer diameter display means for identifying the outer diameter of the tire.
Therefore, when these retreaded tires are stocked or mounted on a vehicle, the outer diameter display means can identify the outer diameter of the tire, and it is possible to prevent tires having different outer diameters from being mixed. Therefore, a retreaded tire with a small difference in outer diameter can be mounted on a compound wheel such as a truck or a bus, or a multi-axle wheel, the tire performance can be sufficiently brought out, and uneven wear and the occurrence of separation are suppressed. The life of the tire can be extended.
なお、外径表示手段は、刻印による焼付等によって形
成される凸部と凹部との少なくとも何方か一方、又はラ
ベル等によって、更生タイヤのトレツド部の陸部、トレ
ツド部の溝部又はタイヤサイド部に設けるため、これに
より更生タイヤの外観品質の低下を招くことはない。Incidentally, the outer diameter display means, at least one of the convex portion and the concave portion formed by burning or the like by marking, or by a label or the like, the land portion of the retread portion of the retreaded tire, the groove portion of the tread portion or the tire side portion. Since it is provided, this does not cause deterioration of the appearance quality of the retreaded tire.
以下本考案の一実施例を第１図及び第２図に従って説
明する。An embodiment of the present invention will be described below with reference to FIGS.
一般に、トラツク、バス等に装着される重荷重用タイ
ヤはトレルド部が摩耗した場合に、トレツド部を更生
し、所謂更生タイヤとして再利用される。更生方法とし
ては、タイヤ加硫時に金型（モールド）を使用するリモ
ールド再生方法と、金型を使用せず加硫缶（オートクレ
ープ）の中で加硫するプレキユーア更生方法とがある。In general, heavy-duty tires mounted on trucks, buses, etc., are rehabilitated and re-used as so-called rehabilitated tires when the toreld parts are worn. As the rehabilitation method, there are a remolding rehabilitation method that uses a mold (mold) during tire vulcanization and a precurer rehabilitation method that vulcanizes in a vulcanization can (autoclave) without using a mold.
次にリモールド更生方法に付いて説明する。 Next, a remolding method will be described.
リモールド更生方法の場合には、一般的にＬサイズ、
Ｍサイズ、Ｓサイズの大きさ（外径差は夫々4mmとされ
ている）の異なる金型を用意しておき、トレツド部が摩
耗し、個々にベルト部が径成長した台タイヤ（摩耗タイ
ヤ）のトレツド摩耗面をバフ切削により除去し、このバ
フ切削が完了した台タイヤの外周部にゴム材を貼着し、
この台タイヤの外径寸法にあったサイズの金型内に装填
し加硫する。In the case of remolding rehabilitation method, generally L size,
Mold tires with different sizes of M size and S size (outer diameter difference is 4 mm respectively) are prepared, and the tire parts are worn and the belt parts are individually grown in diameter. The buff cutting is used to remove the treaded wear surface of and the rubber material is attached to the outer periphery of the base tire on which this buff cutting has been completed.
It is loaded and vulcanized in a mold having a size suitable for the outer diameter of the base tire.
ここで本実施例においては、これらの金型のサイドウ
オール部、トレツド部のシヨルダー部、トレツド部の陸
部、トレツド部の溝部等の出荷、保管時や装着時に見や
すい位置に、加硫時に使用する金型の大きさ、例えば
Ｌ、Ｍ、Ｓを対応する図柄（例えば線の本数によって
Ｌ、Ｍ、Ｓを区分する）、文字（例えばＬ、Ｍ、Ｓ、大
きさ5mm以上）、数字等を刻印し、加硫工程でタイヤに
焼付て、更生タイヤの例えばトレツド部の踏面に外径表
示手段としての凸部（又は凹部）を形成する。Here, in this embodiment, the side wall portion of these molds, the shoulder portion of the tread portion, the land portion of the tread portion, the groove portion of the tread portion, and the like are used at the time of vulcanization at a position that is easy to see during shipping, storage, and mounting. The size of the mold to be used, for example, L, M, S corresponding patterns (for example, L, M, S are divided by the number of lines), letters (for example, L, M, S, size 5 mm or more), numbers, etc. Is engraved on the tire and baked on the tire in the vulcanization step to form a convex portion (or concave portion) as outer diameter indicating means on the tread surface of the retread portion, for example, the tread portion.
従って、第１図及び第２図に示される如く、更生タイ
ヤ10のトレツド部12の陸部（踏面）12Aには、更生タイ
ヤ10の外径を識別するための外径表示手段としての凸部
14（又は凹部）が設けられる。このため、この外径表示
手段によって更生タイヤ10の外観品質の低下を招くこと
なく、外径の大きさを識別することが可能となり、販売
出荷時、保管時等に外径表示手段に基づいて、更生タイ
ヤ10を外径別に選別することが可能となる。Therefore, as shown in FIGS. 1 and 2, the land portion (tread) 12A of the tread portion 12 of the retreaded tire 10 has a convex portion as an outer diameter display means for identifying the outer diameter of the retreaded tire 10.
14 (or recess) is provided. Therefore, it is possible to identify the size of the outer diameter without deteriorating the appearance quality of the retreaded tire 10 by the outer diameter display means, and based on the outer diameter display means at the time of shipment, storage, etc. It becomes possible to sort the retreaded tires 10 by outer diameter.
また、これらの更生タイヤ10を第６図及び第７図に示
される様な多軸車又は複輪車に組合せ装着する場合に
は、メジャー等によりタイヤ外径を計ることなしに、外
径差が5mm以内の更生タイヤ10を組み合わせることが可
能となり、タイヤ性能を充分に引き出すことができると
共に、偏摩耗、セパレーションの発生を抑制しタイヤの
寿命を伸ばすことができる。Also, when these retreaded tires 10 are combined and mounted on a multi-axle vehicle or a multi-wheeled vehicle as shown in FIGS. 6 and 7, the outer diameter difference is measured without measuring the tire outer diameter with a measure or the like. It is possible to combine rehabilitated tires 10 having a size of 5 mm or less, the tire performance can be sufficiently brought out, and uneven wear and separation can be suppressed and the life of the tire can be extended.
次に、プレキユーア更生方法に付いて説明する。 Next, the pre-curer rehabilitation method will be described.
プレキユーア更生方法の場合には、個々に径成長した
台タイヤのトレツド摩耗面をバフ切削により除去し、こ
のバフ切削が完了した台タイヤの外周長を測定し、これ
に合わせて所定厚さとされた新規トレツドの長さを定
め、台タイヤ上に貼着する。これをオートクレープ（加
硫缶）の中で加硫して更生タイヤとする。このため、金
型の刻印により外径表示手段を更生タイヤに設けること
ができない。In the case of the pre-cure rehabilitation method, the treaded wear surface of each individually grown base tire was removed by buff cutting, and the outer peripheral length of the base tire on which this buff cutting was completed was measured, and the predetermined thickness was set accordingly. Determine the length of the new tread and stick it on the base tire. This is vulcanized in an autoclave (vulcanization can) to obtain a retreaded tire. Therefore, the outer diameter indicating means cannot be provided on the retreaded tire due to the marking of the mold.
そこで、このプレキユーア更生方法の場合には、新規
トレツドを貼着する場合に台タイヤの外径を測定し、そ
の値を一定の範囲（例えば、4mm）毎に分けＬ、Ｍ、Ｓ
のグループ分けを行う。次に、第３図に示される如く、
例えば台タイヤ20のサイドウオール部22のタイヤサイズ
表示の近傍に接着材24を塗布し、その上にクツシヨンゴ
ム26を配置し、このクツシヨンゴム26上にＬ、Ｍ、Ｓの
グループ符号を刻印した金属（アルミ）等の薄板（例え
ばステンシル）28を張り付け加流し、加硫後この薄板28
を更生タイヤから外す。Therefore, in the case of this pre-curing rehabilitation method, the outer diameter of the base tire is measured when a new tread is attached, and the value is divided into fixed ranges (for example, 4 mm) L, M, S.
Group. Next, as shown in FIG.
For example, an adhesive 24 is applied to the side wall portion 22 of the base tire 20 in the vicinity of the tire size indication, a cushion rubber 26 is arranged on the adhesive 24, and a metal (L, M, S) is engraved on the cushion rubber 26 ( A thin plate (for example, stencil) 28 such as aluminum is attached and heated, and after vulcanization, this thin plate 28
From the retreaded tire.
これによって、第１図に示される如く、更生タイヤ10
のサイドウオール部18に外径表示手段としての凸部16が
形成される。As a result, as shown in FIG. 1, the retreaded tire 10
The side wall portion 18 is provided with a convex portion 16 as an outer diameter display means.
又は、薄板28に加えてＬ、Ｍ、Ｓのグループ符号を表
示したゴム板をクツシヨンゴム26上に固着しても良い。Alternatively, in addition to the thin plate 28, a rubber plate displaying the group code of L, M, S may be fixed on the cushion rubber 26.
従って、このプレキユーア更生方法においてもリモー
ルド更生方法の場合と同様に、第１図に示される如く、
更生タイヤ10に外径を識別するための外径表示手段が設
けられる。このため更生タイヤ10の外観品質の低下を招
くことなく、外径の大きさを識別することが可能とな
る。Therefore, also in this pre-curing rehabilitation method, as in the case of the remolding rehabilitation method, as shown in FIG.
The retreaded tire 10 is provided with an outer diameter display means for identifying the outer diameter. Therefore, the size of the outer diameter can be identified without deteriorating the appearance quality of the retreaded tire 10.
なお、上記実施例においては、外径表示手段を、第１
図及び第２図に示される如くブロツクパターンとされた
トレツド部12の陸部12Aに設けたが、トレツド部12は第
４図に示される如く、ラグパターンでも良く、また第５
図に示される如く、リブパターンでも良い。In the above embodiment, the outer diameter display means is the first
As shown in FIG. 2 and FIG. 2, it is provided on the land portion 12A of the tread portion 12 having a block pattern, but the tread portion 12 may have a lug pattern as shown in FIG.
As shown, a rib pattern may be used.
また、外径表示手段は、第１図に示されるトレツド部
12の陸部12A、トレツド部12の溝部12B、トレツド部12の
シヨルダー部12C、サイドウオール部18等の見やすい位
置に２箇所以上、好ましくは、４箇所以上設け、更生タ
イヤ10をラツク上に積み重ねた場合に、タイヤを動かさ
ずに読み取れるようにすることが好ましい。Also, the outer diameter display means is a tread part shown in FIG.
Twelve land parts 12A, groove part 12B of the tread part 12, shoulder part 12C of the tread part 12, side wall parts 18 and the like are provided at two or more locations, preferably four or more locations, which are easy to see, and retreaded tires 10 are stacked on the rack. In this case, it is preferable that the tire can be read without moving.
また、外径表示手段は凸部14（又は凹部）に限定され
たものでなく、予め外径グループＬ、Ｍ、Ｓ等が表示さ
れているラベルを加硫後の更生タイヤ10に貼着しても良
く、また、加硫後の更生タイヤ10に直接ペンキ等で外径
グループＬ、Ｍ、Ｓ等を印刷しても良い。Further, the outer diameter display means is not limited to the convex portion 14 (or the concave portion), and a label in which the outer diameter groups L, M, S, etc. are previously displayed is attached to the vulcanized retreaded tire 10. Alternatively, the retreaded tire 10 after vulcanization may be directly printed with the outer diameter groups L, M, S and the like by paint or the like.
本考案は上記の構成としたので、タイヤの外観品質の
低下を招くことなく、同一サイズの更生タイヤにおける
外径の大きさを識別することができるという優れた効果
を有する。Since the present invention has the above-mentioned configuration, it has an excellent effect that it is possible to identify the size of the outer diameter of a retreaded tire of the same size without deteriorating the appearance quality of the tire.
第１図は本考案の一実施例の更生タイヤを示す一部を断
面とする斜視図、第２図は本考案の一実施例の更生タイ
ヤのトレツド部の陸部を示す拡大平面図、第３図は本考
案の一実施例の更生タイヤのプレキユーア更生方法を示
すタイヤ軸方向に沿った断面図、第４図は本考案をラグ
パターンのトレツド部に適用した例を示す平面図、第５
図は本考案をリブパターンのトレツド部に適用した例を
示す平面図、第６図は多軸輪を有するトレーラのタイヤ
配置を示す概略図、第７図は複輪を有するトラツクのタ
イヤ配置を示す概略図、第８図（Ａ）は複輪におけるタ
イヤ外径差を示すタイヤ軸方向に沿った概略断面図、第
８図（Ｂ）は多軸車後輪におけるタイヤ外径差を示す概
略図である。 10……更生タイヤ、12……トレツド部、12A……陸部、1
2B……溝部、12C……シヨルダー部、14、16……凸部、1
8……サイドウオール部。FIG. 1 is a perspective view, partly in section, showing a retreaded tire according to an embodiment of the present invention, and FIG. 2 is an enlarged plan view showing a land portion of a tread portion of a retreaded tire according to an embodiment of the present invention. FIG. 3 is a sectional view taken along the tire axial direction showing a pre-cure rehabilitation method for a retreaded tire according to an embodiment of the present invention, and FIG. 4 is a plan view showing an example in which the present invention is applied to a tread portion of a lug pattern.
FIG. 6 is a plan view showing an example in which the present invention is applied to a tread portion of a rib pattern, FIG. 6 is a schematic view showing a tire arrangement of a trailer having a multi-axle, and FIG. 7 is a tire arrangement of a truck having a compound wheel. 8A is a schematic cross-sectional view showing a tire outer diameter difference in a compound wheel along a tire axial direction, and FIG. 8B is a schematic view showing a tire outer diameter difference in a multi-axle rear wheel. It is a figure. 10 …… Refurbished tires, 12 …… Tredd part, 12A …… Land part, 1
2B: groove, 12C: shoulder, 14, 16 ... convex, 1
8 …… Sidewall section.
Claims (6)
きさを識別するための外径表示手段を設けたことを特徴
とする更生タイヤ。1. A retreaded tire comprising outer diameter display means for identifying the outer diameter of retreaded tires of the same size.
けたことを特徴とする請求項（１）記載の更生タイヤ。2. The retreaded tire according to claim 1, wherein the outer diameter indicating means is provided on a land portion of the tread portion.
けたことを特徴とする請求項（１）記載の更生タイヤ。3. The retreaded tire according to claim 1, wherein the outer diameter indicating means is provided in a groove portion of the tread portion.
たことを特徴とする請求項（１）記載の更生タイヤ。4. The retreaded tire according to claim 1, wherein the outer diameter display means is provided on a tire side portion.
とも何方か一方としたことを特徴とする請求項（１）記
載の更生タイヤ。5. The retreaded tire according to claim 1, wherein the outer diameter indicating means is at least one of a convex portion and a concave portion.
徴とする請求項（１）記載の更生タイヤ。6. The retreaded tire according to claim 1, wherein the outer diameter indicating means is a label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7801090U JP2515589Y2 (en) | 1990-07-23 | 1990-07-23 | Retreaded tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7801090U JP2515589Y2 (en) | 1990-07-23 | 1990-07-23 | Retreaded tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0435902U JPH0435902U (en) | 1992-03-25 |
| JP2515589Y2 true JP2515589Y2 (en) | 1996-10-30 |
Family
ID=31620911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7801090U Expired - Fee Related JP2515589Y2 (en) | 1990-07-23 | 1990-07-23 | Retreaded tire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515589Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3850972B2 (en) * | 1998-01-21 | 2006-11-29 | 住友ゴム工業株式会社 | Pneumatic radial tire |
| JP5119997B2 (en) * | 2008-03-17 | 2013-01-16 | 横浜ゴム株式会社 | Label attaching method to tire and label adhesive layer forming frame |
-
1990
- 1990-07-23 JP JP7801090U patent/JP2515589Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435902U (en) | 1992-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |