WO2014071627A1 - 可变形为卷状的弹簧圈内置床垫 - Google Patents

可变形为卷状的弹簧圈内置床垫 Download PDF

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Publication number
WO2014071627A1
WO2014071627A1 PCT/CN2012/084449 CN2012084449W WO2014071627A1 WO 2014071627 A1 WO2014071627 A1 WO 2014071627A1 CN 2012084449 W CN2012084449 W CN 2012084449W WO 2014071627 A1 WO2014071627 A1 WO 2014071627A1
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WIPO (PCT)
Prior art keywords
spring
mattress
built
deformed
rolled
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PCT/CN2012/084449
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English (en)
French (fr)
Inventor
上田敬太郎
Original Assignee
株式会社酷思派·创
恪创（上海）商贸有限公司
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Application filed by 株式会社酷思派·创, 恪创（上海）商贸有限公司 filed Critical 株式会社酷思派·创
Priority to JP2015540985A priority Critical patent/JP6132929B2/ja
Priority to CN201280076992.5A priority patent/CN104797172A/zh
Priority to PCT/CN2012/084449 priority patent/WO2014071627A1/zh
Publication of WO2014071627A1 publication Critical patent/WO2014071627A1/zh
Priority to PH12015500974A priority patent/PH12015500974A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/005—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases foldable or dismountable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/04—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled
    • A47C23/043—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled using wound springs
    • A47C23/0438—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled using wound springs of special shape
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape

Definitions

  • the present invention relates to a spring mattress built-in mattress that can be rolled up and deformed into a roll shape. Background technique
  • a mattress excellent in elasticity a mattress in which a spring coil is built in a substantially full-surface spread manner is known.
  • As a coil it is known that there are pocket springs and round springs.
  • a metal frame which has been conventionally called a binding wire is incorporated, but in recent years, it has been a built-in elastic body.
  • the spring structure composed of the pocket spring is surrounded by the sponge elastic body.
  • Patent Document 2 the entire side surface of the spring structure body made of the pocket spring is covered with fiber rm.
  • the sponge mattress can be rolled up and deformed into a roll shape, there is an advantage that the storage space can be reduced.
  • the comfort of a sponge mattress is much worse than the comfort of a mattress in a spring ring.
  • the mattress of the coil can be wound up and deformed into a roll shape, the space during storage or transportation can be reduced, and this is an epoch-making advance.
  • the inventors of the present application have intensively studied from the above viewpoints, and have devoted themselves to the development of a built-in mattress of a spring coil which can be rolled up and deformed into a roll shape. If it is only rolled up and deformed into a roll shape, it is necessary to increase the force applied when rolling up, which is not so difficult. However, in order to fully exert the performance as a mattress, it is necessary to reliably return to the original flat shape when the roll-shaped deformed state is released. Summary of the invention
  • the present invention has been made based on the above findings. It is an object of the present invention to provide a spring mattress built-in mattress that can be rolled up and deformed into a roll shape, and the built-in mattress of the spring ring can release the roll shape The deformed state reliably returns to the original flat shape.
  • the present invention is a spring ring built-in mattress, the spring ring built-in mattress comprising: a spring structure body comprising a spring ring; a frame formed by an elastic body surrounding the front, rear, left and right sides of the spring structure body; Provided on the upper surface side of the spring structure and the frame; a lower surface extension member disposed on the spring structure body and the lower surface side of the frame, characterized in that the upper surface extension member and the lower surface
  • the surface extension members are respectively composed of 300 g of compressed resin cotton having a thickness of 0.5 cm or more, 600 g of compressed resin cotton, or 300 g of hard felt to 600 cm thick felt having a thickness of 0.5 cm or more, and the built-in mattress of the coil can be rolled up and deformed into It is rolled and can return to its original flat shape when the deformation state of the roll is released.
  • 300 g of compressed resin cotton having a sufficient tension (recovery force) of 0.5 cm or more is used, 600 g of compressed resin cotton, or 300 g of hard felt having a thickness of 0.5 cm or more, and 600 g of hard felt.
  • 300 g of compressed resin cotton having a sufficient tension (recovery force) of 0.5 cm or more is used as the upper surface extension.
  • 600 g of compressed resin cotton, or 300 g of hard felt having a thickness of 0.5 cm or more and 600 g of hard felt are used as the lower surface stretcher.
  • a coil built-in mattress that can be rolled up and deformed into a roll shape and can be reliably restored to the original flat shape when the roll-shaped deformed state is released.
  • the coil has a sufficient thickness of 60 mm to 170 mm, it can be rolled up It is deformed into a roll shape and can be reliably restored to the original flat shape when the rolled deformation state is released.
  • the spring ring has a sufficient thickness of 60 mm to 170 mm, it can be said that the lying comfort is excellent, and the performance as a mattress is also extremely high.
  • the spring constant of the coil is preferably 9.3 N/mm to 9.9 N/mm. If it is within this range, it can be rolled up and deformed into a roll shape, and can be reliably restored to the original flat shape when the roll-shaped deformed state is released. Moreover, if the spring constant of the coil is 9.3N/mm ⁇ 9.9N/mm, it can be said that the comfort of lying is excellent. The performance of the mattress is also extremely high.
  • the elastic body constituting the frame various materials well known can be used. For example, using this sponge having a density of 25 kg / m 3 ⁇ 40kg / m 3.
  • this sponge having a density of 25 kg / m 3 ⁇ 40kg / m 3.
  • a sponge having a width of 5 cm to 7 cm as the elastic body constituting the frame, it has been confirmed that it can be rolled up and deformed into a roll shape and can be The performance of reliably returning to the original flat shape when releasing the rolled deformation state has been achieved.
  • the spring ring is, for example, a pocket spring.
  • the laterally adjacent pocket springs are preferably interconnected.
  • the spring ring is, for example, a round spring.
  • Fig. 1 is a schematic exploded view of a coil built-in mattress according to a first embodiment of the present invention.
  • Fig. 2 is a schematic view showing an operation of winding up a mattress with a spring ring.
  • Fig. 3 is a schematic exploded view of the inner ring of the coil according to the second embodiment of the present invention.
  • Fig. 1 is a schematic exploded view of a coil built-in mattress according to a first embodiment of the present invention.
  • the coil inner mattress 10 of the present embodiment has a single size (single size). (97mmx l95mm), comprising: a spring structure 1 comprising a pocket spring lp arranged in a matrix; a frame 2 surrounding the front, rear, left and right sides of the spring structure 1; an upper surface extension 3 disposed on the spring structure 1 and an upper surface side of the frame 2; a lower surface extension 4 which is provided on the lower surface side of the spring structure 1 and the frame 2.
  • a sponge 5 and a woven material blank 6 are provided on the upper surface side of the upper surface extension member 3, and a sponge 7 and a woven material blank 8 are provided on the lower surface side of the lower surface extension member 4.
  • Each pocket spring lp has a thickness of 17 cm, a diameter of 6.5 cm, and a number of turns of 5 turns, and has a spring constant (elasticity) of 9.3 and is housed in a cloth bag. Further, such a pocket spring lp is arranged in a matrix shape of 16x31 (not uniformly adjusted for simplification of the drawing), and the laterally adjacent pocket springs lp (bags) are coupled to each other to form the spring structure 1.
  • a sponge having a density of 30 kg/m 3 (a type called "regular foam” in the industry) having a width of 7 cm and a thickness of 17 cm as the spring structure 1 was used.
  • a seal member made of the same material as that of the frame 2 is disposed on the upper surface side and the lower surface side of the spring structure 1, respectively, and the entire sandwich structure may be surrounded by the frame 2.
  • the upper surface extension member 3 is composed of 350 g of compressed resin cotton having a thickness of 0.5 cm
  • the lower surface extension member 4 is composed of 350 g of compressed resin cotton having a thickness of 0.5 cm.
  • a raw material it is 100% polyester.
  • Such characteristics are employed as the upper surface extension member 3 and the lower surface extension member 4, whereby, as shown in Fig. 2, the coil inner mattress 10 can be rolled up to be deformed into a roll shape, and the deformation of the roll shape can be released. The state is reliably restored to the original flat shape.
  • both the upper surface extension 3 and the lower surface extension 4 can be selected within the range of 300 g of compressed resin cotton to 600 g of compressed resin cotton (if the raw material is selected within this range, it can be sufficiently obtained)
  • the effect of the present invention may alternatively be selected within the range of 300 g of hard felt to 600 g of hard felt.
  • compressed resin cotton is preferable to hard felt.
  • different raw materials may be selected for the upper surface extension member 3 and the lower surface extension member 4.
  • Both the upper surface side sponge 5 and the lower surface side sponge 7 were made of a sponge having a density of 25 kg/m 3 (in the industry, a type called regular foam), and the thickness was formed to be 2 cm.
  • the density can be selected from the range of 25 kg/m 3 to 40 kg/m 3
  • the thickness can be selected from the range of 2 cm to 6 cm.
  • the sponge 5 on the upper surface side may also have a thickness of 40 kg/m 3 to 80 kg/m 3 .
  • a low-rebound sponge of density (known in the industry as the type of memory foam).
  • the woven material blank 6 on the upper surface side and the woven material blank 8 on the lower surface side are formed by laminating 200 g of 100% P woven fabric, and having a density of 20 kg/m 3 of a sponge having a thickness of 1 cm (in the industry, it is called A type of regular foam), and a braided blank of 30 g of a nonwoven fabric.
  • the coil inner mattress 10 of the present embodiment constituted by the above-described structure employs 350 g of compressed resin cotton having a thickness of 0.5 cm having sufficient elasticity (restoring force) as the upper surface extension member 3, and adopts sufficient elastic force (restoring force).
  • 350 g of compressed resin cotton having a thickness of 0.5 cm is used as the lower surface stretch member 4, whereby, as shown in Fig. 2, it can be rolled up to be deformed into a roll shape, and can be reliably restored when the roll-shaped deformed state is released. The original flat shape.
  • the thickness of the upper surface extension 3 and the lower surface extension 4 is not limited to 0.5 cm, and the same effects as those of the present embodiment can be obtained as long as it is 0.5 cm or more.
  • the coil has a sufficient thickness of 17 cm, and each of the pocket springs lp has a spring constant (elastic force) of 9.3, so that the lying comfort is excellent.
  • the performance as a mattress is also extremely high.
  • the specifications of the pocket spring lp which is effective in the present invention which is actually verified by the inventors of the present application are shown in Table 1 below. It should be noted that the semi-smgle is 85mmx l95mm, the semi-double is 120mmx l95mm, the double is 140mmx 195mm, the queen is 170mmx 195mm, the king (king) is a size of 200mmx l95mm.
  • FIG. 3 is a schematic exploded view of the coil built-in mattress 10' according to the second embodiment of the present invention.
  • the coil inner mattress 10' of the present embodiment has a single size (97 mm x l95 mm) instead of the spring structure 1 including the pocket spring lp arranged in a matrix.
  • a spring structure 1' comprising a round spring lb arranged in a matrix is used.
  • Each of the round springs lb has a thickness of 17 cm, a diameter of 4.5 cm to 6.5 cm, and a number of turns of 5 turns, and has a spring constant (elastic force) of 9.3. Moreover, such a round spring lb is arranged in a matrix shape of 10x32 (not uniformly adjusted for simplification of the drawing).
  • the other structure is substantially the same as that of the coil built-in mattress 10 of the first embodiment shown in Fig. 1 .
  • the same portions as those in the first embodiment shown in Fig. 1 are denoted by the same reference numerals, and their detailed description is omitted.
  • the coil built-in mattress 10' of the present embodiment constituted by the above-described structure
  • 350 g of compressed resin cotton having a thickness of 0.5 cm having sufficient elasticity (restoring force) is used as the upper surface extension 3
  • sufficient elasticity is employed (recovery)
  • 350 g of compressed resin cotton having a thickness of 0.5 cm is used as the lower surface extension member 4, whereby it can be rolled up to be deformed into a roll shape as shown in FIG. 2, and can be reliably released when the roll-shaped deformation state is released.
  • the ground returns to its original flat shape.
  • the coil has a sufficient thickness of 17 cm, and each of the round springs lb has a spring constant (elastic force) of 9.3, so that the lying comfort is excellent as The performance of the mattress is also extremely high.
  • the specifications of the round spring lb which is effective in the present invention which is actually verified by the inventors of the present application are shown in Table 2 below. It should be noted that the semi-single is 85mmx l95mm, the semi-double is 120mmx l95mm, the double is 140mmx l95mm, the queen is 170mmx 195mm, and the king is 200mmx 195mm.
  • the mattress 10, 10' is inserted in the coil of each of the above embodiments, according to the findings of the inventors of the present application, after the mattress 10, 10' is built up in the coil, the mattress 10, 10' is deformed into a roll shape, and then passed. Inserting the coil built-in mattress 10, 10' into the bag member or the cylinder member together with the air The conveyance is carried out, and the spring coil built-in mattresses 10 and 10' are vacuum-packed in the bag member or the tubular member to be transported, and the flat state can be maintained at a high level when the deformation state of the roll is released. Shape performance (vacuum packaging: recovery rate of about 95%; air loading: recovery rate of about 98%).
  • the bag member or the barrel member may be broken at the time of damage, and there is no need to worry about this in a manner in which air is contained in advance.
  • a slit such as a hole-shaped wiring can be added to the bag member or the tubular member.
  • PE polyethylene having a thickness of about 0.12 mm
  • a method of conveying a mattress in which a mattress is rolled up and deformed into a roll shape, and a mattress that is rolled up and deformed into a roll shape is inserted into a bag member or a tubular member together with air and It is not limited to the built-in mattress of the coil according to the present invention, and it is widely effective for a mattress which is rolled up and deformed into a roll shape.

Abstract

一种弹簧圈内置床垫（10），包括：弹簧结构体（1），其包含弹簧圈；框架（2），其由包围所述弹簧结构体（1）的前后左右的弹性体构成；上表面延展件（3），其设置于所述弹簧结构体（1）和所述框架（2）的上表面侧；下表面延展件（4），其设置于所述弹簧结构体（1）和所述框架（2）的下表面侧。上表面延展件（3）和下表面延展件（4）分别由厚度为0.5cm以上的300g压缩树脂棉〜600g压缩树脂棉、或者厚度为0.5cm以上的300g硬毛毡〜600g硬毛毡构成，所述弹簧圈内置床垫（10）能够卷起而变形为卷状，并且能够在释放该卷状的变形状态时恢复为原来的平坦形状。

Description

可变形为卷状的弹簧圈内置床垫 技术领域
本发明涉及可卷起而使其变形为卷状的弹簧圈内置床垫。 背景技术
作为弹性优良的床垫， 众所周知有以大致整面蔓延的方式内置弹簧圈 的床垫。 作为弹簧圈， 知晓有袋装弹簧和圆簧。
床垫的周缘部大多内置有以往被称作绑接钢丝的金属制的框架， 但近 年来多为内置弹性体。 例如， 在日本实用新型注册第 3008437号 （专利文 献 1 ) 所记载的弹簧圈内置床垫中， 由袋装弹簧构成的弹簧结构体被海绵 制的弹性体包在里面。 并且， 在日本特开 2010-284425号 （专利文献 2) 所记载的床垫中， 由袋装弹簧构成的弹簧结构体的侧面整体被纤维垫覆 rm,
另一方面， 为了能够减小收纳空间， 众所周知有能够卷起而使其变形 为卷状的海绵制的床垫。
如上所述， 由于海绵制的床垫能够卷起而使其变形为卷状， 因此具有 能够减小收纳空间的优点。 然而， 海绵制的床垫的躺卧舒适度比弹簧圈内 置床垫的躺卧舒适度差太多。
因此， 如果能够卷起弹簧圈内置床垫而使其变形为卷状， 则能够减小 收纳时或搬运时的空间， 因此这是划时代的进歩。
本申请的发明人从上述观点出发而深入研究， 专心致力于能够卷起而 使其变形为卷状的弹簧圈内置床垫的开发。如果仅是卷起而使其变形为卷 状则需要增大在卷起时所施加的力， 这并不是那么困难。 然而， 为了充分 地发挥作为床垫的性能， 需要在释放卷状的变形状态时可靠地恢复为原来 的平坦的形状。 发明内容
本发明是基于以上的见解而提出的。本发明的目的在于提供能够卷起 而使其变形为卷状的弹簧圈内置床垫， 该弹簧圈内置床垫能够在释放卷状 的变形状态时可靠地恢复为原来的平坦的形状。
本发明是一种弹簧圈内置床垫，该弹簧圈内置床垫具备：弹簧结构体， 其包含弹簧圈；框架，其由包围所述弹簧结构体的前后左右的弹性体构成; 上表面延展件， 其设置于所述弹簧结构体和所述框架的上表面侧； 下表面 延展件， 其设置于所述弹簧结构体和所述框架的下表面侧， 其特征在于， 上表面延展件和下表面延展件分别由厚度为 0.5cm以上的 300g压缩树脂 棉〜 600g压缩树脂棉、或者厚度为 0.5cm以上的 300g硬毛毡〜 600g硬毛毡 构成， 所述弹簧圈内置床垫能够卷起而变形为卷状， 并且能够在释放该卷 状的变形状态时恢复为原来的平坦形状。
根据本发明， 作为上表面延展件而采用具有足够张力 （恢复力） 的厚 度为 0.5cm以上的 300g压缩树脂棉〜 600g压缩树脂棉、或者厚度为 0.5cm 以上的 300g硬毛毡〜 600g硬毛毡，并且作为下表面延展件而采用具有足够 张力（恢复力）的厚度为 0.5cm以上的 300g压缩树脂棉〜 600g压缩树脂棉、 或者厚度为 0.5cm以上的 300g硬毛毡〜 600g硬毛毡，由此能够提供可卷起 变形为卷状并且能够在释放该卷状的变形状态时可靠地恢复为原来的平 坦形状的弹簧圈内置床垫。
此类上表面延展件和下表面延展件的特性根据本申请发明人的深入 研究与各种实验结果而逐渐明确化。 在可能没有正确解决方案（不具有在 释放卷状的变形状态时可靠地恢复为原来的平坦形状那样的条件）的状况 下， 本申请发明人此时的专心研究与仅为设计变更的这一种类在着眼点上 有所不同。
在采用上述那样的上表面延展件和下表面延展件的情况下， 根据本申 请的发明人的实际验证， 即使在弹簧圈具有 60mm~170mm这样足够的厚 度的情况下， 也能够卷起而使其变形为卷状， 并且能够在释放该卷状的变 形状态时可靠地恢复为原来的平坦形状。 在弹簧圈具有 60mm~170mm这 样足够厚度的情况下， 可以说躺卧舒适度极佳， 作为床垫的性能也极高。
根据本申请的发明人的实际验证， 弹簧圈的弹簧常数优选为 9.3N/mm~9.9N/mm。 如果在该范围内， 能够被卷起而变形为卷状， 并且能 够在释放该卷状的变形状态时可靠地恢复为原来的平坦形状。 并且， 如果 弹簧圈的弹簧常数为 9.3N/mm~9.9N/mm， 则可以说躺卧舒适度极佳， 作 为床垫的性能也极高。
作为构成框架的弹性体， 能够采用众所周知的各种材料。 例如， 能够 采用具有 25 kg/m3~40kg/m3这种密度的海绵。 特别是， 根据本申请的发明 人的实际验证， 在作为构成框架的弹性体而采用具有 5cm~7cm这种宽度 的海绵的情况下， 确认出已经能够被卷起而变形为卷状并且能够在释放该 卷状的变形状态时可靠地恢复为原来的平坦形状这种性能已得以实现。
弹簧圈例如为袋装弹簧。 在这种情况下， 横向邻接的袋装弹簧优选相 互连结。 或者， 弹簧圈例如为圆簧。 附图说明
图 1是本发明的第一实施方式的弹簧圈内置床垫的概要分解图。
图 2是示出卷起弹簧圈内置床垫的作业的概要图。
图 3是本发明是第二实施方式的弹簧圈内置床垫的概要分解图。
附图标记：
1、 Γ 弹簧结构体
lp 袋装弹簧
lb 圆簧
2 框架
3 上表面延展件
4 下表面延展件
5 海绵
6 编织物坯料
7 海绵
8 编织物坯料
10、 10' 弹簧圈内置床垫 具体实施方式
以下， 参照附图对本发明的实施方式进行详细的说明。
图 1是本发明的第一实施方式的弹簧圈内置床垫的概要分解图。 如图 1 所示， 本实施方式的弹簧圈内置床垫 10 为单一尺寸 （single size ) (97mmx l95mm) , 其具备： 弹簧结构体 1， 其包含配置成矩阵状的袋装 弹簧 lp; 框架 2， 其包围弹簧结构体 1的前后左右； 上表面延展件 3， 其 设置于弹簧结构体 1和框架 2的上表面侧； 下表面延展件 4， 其设置于弹 簧结构体 1和框架 2的下表面侧。在上表面延展件 3的上表面侧设置有海 绵 5和编织物坯料 6， 在下表面延展件 4的下表面侧设置有海绵 7和编织 物坯料 8。
各袋装弹簧 lp的厚度为 17cm、 直径为 6.5cm、 以及卷数为 5圈， 具 有 9.3 的弹簧常数 （弹力）， 并收纳于布制的袋中。 而且， 这种袋装弹簧 lp邻接配置为 16x31个（为了简化附图而未统一调整）的矩阵状， 横向邻 接的袋装弹簧 lp (的袋） 彼此相互连结， 从而形成弹簧结构体 1。
作为构成框架 2的材料， 采用具有 30kg/m3的密度的海绵（在业界中， 被称作 regular foam的类型），宽度为 7cm、厚度与弹簧结构体 1同为 17cm。
不过， 由与框架 2相同材料构成的密封件 （未图示） 分别配置于弹簧 结构体 1的上表面侧与下表面侧， 上述三明治结构的整体也可以被框架 2 包围。
而且，上表面延展件 3由厚度为 0.5cm的 350g压缩树脂棉构成，下表 面延展件 4由厚度为 0.5cm的 350g压缩树脂棉构成。作为原材料，为 100% 聚酯。 作为上表面延展件 3和下表面延展件 4采用此类特性， 由此， 如图 2所示，弹簧圈内置床垫 10能够卷起而变形为卷状， 并且能够在释放该卷 状的变形状态时可靠地恢复为原来的平坦形状。根据本申请的发明人的见 解， 上表面延展件 3和下表面延展件 4都能够在 300g压缩树脂棉〜 600g 压缩树脂棉的范围内选择（如果在该范围内选择原材料， 则能够充分地得 到本发明的效果），或者也可以在 300g硬毛毡〜 600g硬毛毡的范围内选择。 对于可靠地恢复为原来的平坦形状的性能这点， 压缩树脂棉比硬毛毡更优 选。 并且， 对于上表面延展件 3和下表面延展件 4也可以选择不同的原材 料。
上表面侧的海绵 5和下表面侧的海绵 7都采用具有 25kg/m3的密度的 海绵 （在业界中， 被称作 regular foam的类型）， 厚度形成为 2cm。 不过， 密度能够在 25kg/m3~40kg/m3的范围内选择，厚度也能够在 2cm~6cm的范 围内选择。 另外， 上表面侧的海绵 5也可以采用具有 40kg/m3~80kg/m3的 密度的低弹回海绵（在业界中，被称作 memory foam (记忆海绵）的类型）。 上表面侧的编织物坯料 6和下表面侧的编织物坯料 8采用层叠 200g 的 100%P的编织物纤维、 具有 20kg/m3的密度的厚度为 1cm的海绵 （在 业界中， 被称作 regular foam的类型）、 以及 30g的无纺布的编织物坯料。
由上述结构构成的本实施方式的弹簧圈内置床垫 10 采用具有足够弹 力（恢复力） 的厚度为 0.5cm的 350g压缩树脂棉作为上表面延展件 3， 并 且采用具有足够弹力 （恢复力） 的厚度为 0.5cm的 350g压缩树脂棉作为 下表面延展件 4， 由此， 如图 2所示， 能够卷起而使其变形为卷状， 并且 能够在释放该卷状的变形状态时可靠地恢复为原来的平坦形状。
根据本申请的发明人的见解， 上表面延展件 3和下表面延展件 4的厚 度并不局限于 0.5cm， 只要是在 0.5cm以上， 就能够得到与本实施方式相 同的作用效果。
另外， 在本实施方式的弹簧圈内置床垫 10中， 弹簧圈具有 17cm这样 足够的厚度， 并且， 各袋装弹簧 lp具有 9.3这样的弹簧常数 （弹力）， 因 此， 躺卧舒适度极佳， 作为床垫的性能也极高。
关于由本申请的发明人实际验证的在本发明中有效的袋装弹簧 lp 的 规格， 在以下的表 1 中示出。 需要说明的是， 半单人 （semi-smgle ) 是 85mmx l95mm的尺寸， 半双人（semi-double)是 120mmx l95mm的尺寸， 双人是 140mmx 195mm的尺寸， 皇后（queen)是 170mmx 195mm的尺寸， 国王 （king) 是 200mmx l95mm的尺寸。
[表 1 ]
Figure imgf000007_0001
接着，图 3是本发明是第二实施方式的弹簧圈内置床垫 10'的概要分解 图。 如图 3 所示， 本实施方式的弹簧圈内置床垫 10'为单人尺寸 (97mmx l95mm)，代替包含配置为矩阵状的袋装弹簧 lp的弹簧结构体 1， 采用包含配置为矩阵状的圆簧 lb的弹簧结构体 1'。
各圆簧 lb的厚度为 17cm、 直径为 4.5cm~6.5cm、 以及卷数为 5圈， 具有 9.3的弹簧常数 （弹力）。 而且， 这种圆簧 lb配置为 10x32个 （为了 简化附图而未统一调整） 的矩阵状。
其他结构与图 1所示的第一实施方式的弹簧圈内置床垫 10大致相同。 在第二实施方式中， 对于与图 1所示的第一实施方式相同的部分标注相同 的附图标记并省略其详细的说明。
根据由上述结构构成的本实施方式的弹簧圈内置床垫 10'，采用具有足 够弹力（恢复力）的厚度为 0.5cm的 350g压缩树脂棉作为上表面延展件 3， 并且采用具有足够弹力 （恢复力） 的厚度为 0.5cm的 350g压缩树脂棉作 为下表面延展件 4， 由此如图 2所示， 能够卷起而使其变形为卷状， 并且 能够在释放该卷状的变形状态时可靠地恢复为原来的平坦形状。
另外， 本实施方式的弹簧圈内置床垫 10'中， 弹簧圈具有 17cm这样足 够的厚度， 并且， 各圆簧 lb具有 9.3这样的弹簧常数 （弹力）， 因此， 躺 卧舒适度极佳， 作为床垫的性能也极高。
关于由本申请的发明人实际验证的在本发明中有效的圆簧 lb的规格， 在以下的表 2中示出。 需要说明的是， 半单人是 85mmx l95mm的尺寸， 半双人是 120mmx l95mm的尺寸， 双人是 140mmx l95mm的尺寸， 皇后 是 170mmx 195mm的尺寸， 国王是 200mmx 195mm的尺寸。
[表 2]
Figure imgf000008_0001
当搬运以上的各实施方式的弹簧圈内置床垫 10、 10'时，根据本申请的 发明人的见解， 在卷起弹簧圈内置床垫 10、 10'而使其变形为卷状之后， 通过将该弹簧圈内置床垫 10、 10'与空气一并插入袋部件或筒部件之中而 进行搬运， 与将该弹簧圈内置床垫 10、 10'真空包装于袋部件或筒部件中 而进行搬运的方式相比， 能够较高地维持在释放该卷状的变形状态时恢复 为原来的平坦形状的性能（真空包装： 复原率 95%左右； 装入空气： 复原 率 98%左右）。 另外， 在利用真空包装的方式中， 该袋部件或筒部件可能 在损伤时发生破裂， 而在预先含有空气的方式中则无需担心发生该情况。 并且， 在预先含有空气的方式中， 由于袋部件或筒部件不需要具有密闭性 能， 因此为了开捆时方便， 例如能够将孔状接线那样的切痕加入袋部件或 筒部件。
作为袋部件或筒部件， 能够采用厚度为 0.12mm左右的 PE (聚乙烯）。 包括卷起床垫而使其变形为卷状的工序、 将卷起而变形为卷状的床垫 与空气一并插入袋部件或筒部件之中的工序的这种床垫的搬运方法， 并不 局限于基于本发明的弹簧圈内置床垫， 对于卷起而使其变形为卷状的床垫 都广泛有效。

Claims

权 利 要 求
1、 一种弹簧圈内置床垫， 其特征在于，
所述弹簧圈内置床垫具备：
弹簧结构体， 其包含弹簧圈；
框架， 其由配置在所述弹簧结构体的至少前后或左右的弹性体构成； 上表面延展件， 其设置于所述弹簧结构体和所述框架的上表面侧； 下表面延展件， 其设置于所述弹簧结构体和所述框架的下表面侧， 所述上表面延展件和所述下表面延展件分别由厚度为 0.5cm 以上的 300g压缩树脂棉〜 600g压缩树脂棉、 或者厚度为 0.5cm以上的 300g硬毛 毡〜 600g硬毛毡构成，
所述弹簧圈内置床垫能够被卷起而变形为卷状， 并且能够在释放该卷 状的变形状态时恢复为原来的平坦状态。
2、 根据权利要求 1所述的弹簧圈内置床垫， 其特征在于，
所述弹性体是具有 5cm~7cm的宽度的海绵。
3、 根据权利要求 1或 2所述的弹簧圈内置床垫， 其特征在于， 所述弹性体是具有 25 kg/m3~40kg/m3的密度的海绵。
4、 根据权利要求 1至 3 中任一项所述的弹簧圈内置床垫， 其特征在 于，
所述弹簧圈具有 60cm~170cm的厚度。
5、 根据权利要求 1至 4中任一项所述的弹簧圈内置床垫， 其特征在 于，
所述弹簧圈的弹性常数为 9.3N/mm~9.9N/mm。
6、 根据权利要求 1至 5中任一项所述的弹簧圈内置床垫， 其特征在 于，
所述弹簧圈是袋装弹簧。
7、 根据权利要求 6所述的弹簧圈内置床垫， 其特征在于，
横向邻接的所述袋装弹簧相互连结。
8、 根据权利要求 1至 5中任一项所述的弹簧圈内置床垫， 其特征在 所述弹簧圈是圆簧。
9、 一种搬运方法， 用于搬运权利要求 1至 8中任一项所述的弹簧圈 内置床垫， 其特征在于，
所述搬运方法包括：
卷起所述弹簧圈内置床垫而使其变形为卷状的工序；
将卷起而变形为卷状的所述弹簧圈内置床垫与空气一起插入到袋部 件或筒部件中的工序；
将与空气一起插入到所述袋部件或所述筒部件中的已变形为卷状的 所述弹簧圈内置床垫与该袋部件或筒部件一起搬运的工序。
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