WO2019210564A1 - 一种无支撑瓶胆及其生产工艺 - Google Patents

一种无支撑瓶胆及其生产工艺 Download PDF

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Publication number
WO2019210564A1
WO2019210564A1 PCT/CN2018/093239 CN2018093239W WO2019210564A1 WO 2019210564 A1 WO2019210564 A1 WO 2019210564A1 CN 2018093239 W CN2018093239 W CN 2018093239W WO 2019210564 A1 WO2019210564 A1 WO 2019210564A1
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bottle
glass
glass bottle
unsupported
liner
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PCT/CN2018/093239
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English (en)
French (fr)
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陈金如
汤鸿光
汤正富
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Chen Jinru
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Publication of WO2019210564A1 publication Critical patent/WO2019210564A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • A47J41/022—Constructional details of the elements forming vacuum space
    • A47J41/024—Constructional details of the elements forming vacuum space made of glass
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • A47J41/022—Constructional details of the elements forming vacuum space
    • A47J41/024—Constructional details of the elements forming vacuum space made of glass
    • A47J41/026—Protective elements therefor, e.g. liner, support or housing

Definitions

  • the invention relates to a daily glass product, in particular to a glass vacuum insulation container, in particular to a thermos bottle and a production process thereof.
  • thermos bottle liner generally adopts a bottom sealing and asbestos support fixing process.
  • the process is: (11) first cut the bottom of the glass bottle and the mouth of the inner bottle; (12) insert the glass bottle into the outer bottle, and insert the asbestos particles between the inner and outer bottles, The relative position of the inner bottle and the outer bottle is fixed; (13) the bottom of the outer bottle of the opening is sealed in a high temperature molten state to form a convex bottom, (14) the mouth of the outer bottle is cut, and the inner bottle is The outer bottle mouth is sealed, (15) finally silver is plated in the inner and outer bottle interlayers, and vacuum is drawn to form a complete bottle.
  • Figure 1 the product is shown in Figure 2.
  • thermos bottle produced by the lumbar fusion welding process of the invention has sufficient strength to test the support of the inner bottle by the mouth, so that the support problem of the inner bottle can be solved; on this basis, the inventor further removes the asbestos from the process.
  • asbestos-free granules such as calcium carbonate instead of asbestos granules as temporary fixtures for the relative positions of the inner and outer bottles.
  • the object of the present invention is to provide an environment-friendly thermos bottle bottle by eliminating the asbestos grain positioning and support by reforming the structure and production process of the bottle liner, so as to eliminate the influence of asbestos on the health of the production personnel and the asbestos grain. An unsupported bottle of other defects and its production process.
  • an unsupported bottle liner including a glass inner bottle and a glass outer bottle, wherein the glass inner bottle and the glass outer bottle are connected to each other at the mouth to be integrated into the glass.
  • the outer surface of the bottle and the inner surface of the glass outer bottle are plated with a silver reflective layer, and the interlayer space between the glass inner bottle and the outer glass bottle is in a vacuum state, and the interlayer space between the glass inner bottle and the glass outer bottle is formed.
  • No support is provided, and an isolation layer is disposed on the inner portion of the glass outer bottle, and the separation layer is disposed at the inner bottom end of the glass outer bottle, and the separation layer is made of a flexible material having elasticity.
  • a getter is placed in the interlayer space between the inner glass bottle and the outer glass bottle.
  • the outer surface of the inner glass bottle is provided with an elastic gasket which is disposed at the bottom end of the outer surface of the inner glass bottle.
  • the inner side of the glass inner bottle is provided with a temperature detector
  • the outer surface of the glass outer bottle is provided with a temperature display connected to the temperature detector, and the temperature inside the glass inner bottle is detected by a temperature detector and Displayed in a glass via bottle via a temperature display.
  • Step one the tail is connected, and a small tail pipe for silver plating and vacuuming is connected at the bottom of the outer bottle;
  • Step 2 cutting the bottle mouth of the glass bottle and the glass bottle, and cutting off the mouth of the inner and outer preforms
  • Step 3 Cut the waist, cut the outer bottle from the waist into two upper and lower parts, then place the isolation layer on the inner bottom end of the glass outer bottle, and place the elastic gasket on the bottom end of the outer surface of the glass inner bottle;
  • Step 4 Set the inner glass bottle, fix the glass inner bottle and the glass outer bottle with temporary fixings, insert the glass inner bottle into the upper part of the outer preform, and line the fixing between the glass inner bottle and the glass outer bottle. Fixing the relative positions of the inner glass bottle and the outer glass bottle;
  • Step 5 rinsing and sealing, adjusting the relative position between the inner bottle and the upper part of the outer bottle to the optimal position, and then sealing the mouth of the inner and outer preforms at a high temperature;
  • Step 6 Remove the temporary fixture and remove the fixture between the inner and outer bottles;
  • Step 7 Connect the waist and place the lower part of the outer bottle on the upper part of the sealing mouth. Then, the outer bottle waist is welded at a high temperature to form a complete white bottle, and then the temperature detector is placed inside the glass bottle. On the wall, the temperature display is placed on the outer surface of the glass outer bottle and connected to the temperature detector;
  • Step 8 Silver plating, vacuuming, placing a getter, pouring silver nitrate solution and sugar liquid into the white bottle interlayer from the tail pipe, and silver plating the inner surface of the inner bottle and the inner surface of the outer bottle by silver mirror reaction. Then, the bottle liner is vacuumed from the tail pipe and the getter is placed, and the tail pipe is sealed;
  • Step IX Inspection, after passing the standard inspection, it is the finished bottle liner.
  • the fixture for temporarily fixing the inner glass bottle and the outer glass bottle is a solid granular material free of asbestos-containing components, such as a granular material made of calcium carbonate.
  • An unsupported bottle provided by the present invention, since the asbestos particles are no longer used, the danger caused by contact with carcinogens can be avoided for both the producer and the user; The heat loss caused by the support is eliminated, and the heat preservation performance of the bottle liner is improved; in addition, when three asbestos are used as the support, since the silver plating layer is destroyed here, the appearance gives the consumer a product. There is a feeling of awkwardness, and the bottle without the support, the silver-plated layer is intact, and gives a complete feeling to the appearance.
  • FIG. 1 is a schematic diagram showing the flow structure of an unsupported bottle and a production process thereof according to the present invention.
  • FIG. 2 is a schematic view showing the structure of a bottle liner of an unsupported bottle and a production process thereof according to the present invention.
  • an unsupported bottle liner including a glass inner bottle. 1 and a glass outer bottle 2, the glass inner bottle 1 and the glass outer bottle 2 are integrally connected to each other at the mouth, and the outer surface of the inner glass bottle 1 and the inner surface of the outer glass bottle 2 are plated with a silver reflective layer.
  • a sandwich space 3 is formed between the glass inner bottle 1 and the glass outer bottle 2 in a vacuum state, and no support is provided in the interlayer space 3 between the glass inner bottle 1 and the glass outer bottle 2, and the glass is located in the glass.
  • the inner portion of the outer bottle 2 is further provided with a separating layer 4, which is disposed at the inner bottom end of the outer glass bottle 2, and the insulating layer 4 is made of a flexible material having elasticity, and the inner bottle 1 is in the glass.
  • the getter space 5 is disposed in the sandwich space 3 between the glass outer bottle 2 and the outer surface of the inner glass bottle 1 is provided with a resilient gasket 6 disposed at the bottom end of the outer surface of the bottle 1 in the glass.
  • the inner side of the inner glass bottle 1 is provided with a temperature detector 7 on the outer surface of the outer glass bottle 2
  • a temperature display 8 is provided which is connected to a temperature detector 7, the temperature inside the glass inner bottle 1 being detected by a temperature detector 7 and displayed on the glass outer bottle 2 by a temperature display 8.
  • the invention provides an unsupported bottle liner, since the asbestos particles are no longer used, the danger caused by contact with carcinogens can be avoided for both the producer and the user; and at the same time, due to the absence of the support, the elimination
  • the heat loss caused by the support improves the heat preservation performance of the bottle liner.
  • the appearance gives the consumer a product defect.
  • the condition of the inner bottle 2 causing both of them to be destroyed at the same time occurs, and the temperature detector 7 and the temperature display 8 are arranged to facilitate the user to check the temperature of the bottle 1 in the glass, thereby facilitating the corresponding adjustment of the personnel.
  • the production process of an environmentally friendly unsupported bottle liner provided by the invention comprises the following steps:
  • Step one the tail is connected, and a small tail pipe for silver plating and vacuuming is connected at the bottom of the outer bottle;
  • Step 2 cutting the bottle mouth of the bottle 1 and the glass bottle 2, and cutting the mouth of the inner and outer preforms;
  • Step three cut the waist, cut the outer bottle from the waist into two upper and lower half, then place the isolation layer 4 to the inner bottom end of the glass outer bottle 2, and place the elastic gasket 6 at the bottom end of the outer surface of the glass inner bottle 1;
  • Step 4 Set the inner glass bottle 1. Fix the inner glass bottle 1 and the outer glass bottle 2 with a temporary fixing material, insert the inner glass bottle 1 into the upper half of the outer preform, and place the inner bottle 1 and the outer glass bottle 2 in the glass. Lining the fixture to fix the relative position of the inner glass bottle 1 and the outer glass bottle 2;
  • Step 5 rinsing and sealing, adjusting the relative position between the inner bottle and the upper part of the outer bottle to the optimal position, and then sealing the mouth of the inner and outer preforms at a high temperature;
  • Step 6 Remove the temporary fixture and remove the fixture between the inner and outer bottles;
  • Step 7 Connect the waist, and place the lower half of the outer bottle on the upper part of the sealing mouth. Then, the outer bottle waist is welded at a high temperature to form a complete white bottle, and then the temperature detector 7 is placed in the glass bottle. On the inner side wall, a temperature display 8 is disposed on the outer surface of the outer glass bottle 2 and connected to the temperature detector 7;
  • Step 8 Silver plating, vacuuming, placing a getter, pouring silver nitrate solution and sugar liquid into the white bottle interlayer from the tail pipe, and silver plating the inner surface of the inner bottle and the inner surface of the outer bottle by silver mirror reaction. Then, the bottle liner is vacuumed from the tail pipe and the getter is placed, and the tail pipe is sealed;
  • Step IX Inspection, after passing the standard inspection, it is the finished bottle liner.
  • the fixed material of the temporary fixed glass inner bottle 1 and the glass outer bottle 2 used is a solid granular material without asbestos-like components, such as granular material made of calcium carbonate. Things.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Packages (AREA)

Abstract

一种无支撑瓶胆及其生产工艺，包括玻璃内瓶（1）和玻璃外瓶（2），玻璃内瓶（1）和玻璃外瓶（2）在口部相互连接成为一整体，玻璃内瓶（1）的外表面与玻璃外瓶（2）的内表面上镀有银反射层，玻璃内瓶（1）和玻璃外瓶（2）之间形成夹层空间（3）呈真空状态，玻璃内瓶（1）和玻璃外瓶（2）之间的夹层空间（3）中不设任何支持物，位于玻璃外瓶（2）的内部上还设有隔离层（4），隔离层（4）设置在玻璃外瓶（2）内侧底端，隔离层（4）为具有弹性的柔性材料制造而成，由于不再使用石棉粒，消除了由于支撑物所造成的热损失，提高了瓶胆的保温效能，隔离层（4）和弹性垫圈（6）的设置，可以防止玻璃内瓶（1）掉落到玻璃外瓶（2）内而导致两者同时损毁的状况发生，温度检测器（7）和温度显示器（8）的设置，可以便于使用人员查看玻璃内瓶（1）的温度，从而便于人员进行相应的调整。

Description

一种无支撑瓶胆及其生产工艺 技术领域
本发明涉及日用玻璃制品，具体指一种玻璃真空保温容器，尤指保温瓶瓶胆及其生产工艺。
背景技术
在现有技术中，制造保温瓶瓶胆一般采用拉封底部、石棉支撑固定工艺。这种工艺是：(11)先割去玻璃外瓶的底部和内瓶的口部；(12)将玻璃内瓶插入外瓶内，并在内、外瓶之间塞入粒石棉粒，将内瓶与外瓶的相对位置固定住；(13)将开口的外瓶底部在高温熔融状态下进行拉封，形成外凸的底部，(14)割去外瓶的口部，将内瓶与外瓶口部熔封，(15)最后对内、外瓶夹层中镀银、抽真空形成一个完整的瓶胆。参见图1，其产品如图2，图中：1外瓶，2内瓶，3夹层，4石棉粒。由上述可见，在此工艺中，填塞3粒石棉粒4不但可以在加工过程中保持内外瓶间的相对位置，并可对内瓶起支撑作用，而且干燥的石棉粒有吸气作用，有利于瓶胆保温能的保持。但众所周知，石棉制品是一种致癌物质，无论是制造石棉粒还是使用石棉粒都会影响操作人员的健康，因此，有些国家和地区已明令禁止使用石棉制品，如欧共体就规定含石棉制品的商品一律不得进入欧共体市场。同时由于石棉的存在增加了内瓶与外瓶的接触，因此增加了热损耗，实验证明，即使采用导热系数较小的石棉粒，由于石棉部位的直接传导作用，所损失的热量要占整个瓶胆的5％左右；同时，由于石棉粒处无法镀银，因此在瓶胆成品上留下3个石棉斑，影响瓶胆的外观质量。
由于石棉粒对保温瓶带来的负面影响，生产一种无石棉的玻璃保温瓶胆，是从事保温瓶生产的广大从业人员多年的愿望，但石棉粒的支撑作用及其吸气作用，又无适当的技术措施来替代。本发明利用腰熔焊工艺生产的保温瓶 经试验其口部对内瓶的支撑有足够的强度，使内瓶的支撑问题得以解决；在此基础上，发明人再进一步从工艺上解决去掉石棉粒的问题，在生产中发明人采用不含石棉的粒状物，如碳酸钙替代石棉粒作为对内外瓶相对位置的临时固定物，在封口工艺完成后，内外瓶的相对位置已固定后，取出临时固定物，从而达到了无石棉的要求；至此，发明人还要解决内外瓶夹层中的放气问题，在这里发明人采用在瓶胆夹层中加入吸气剂的方法解决了附在玻璃表面的气体的慢性释放问题；从而解决了保温瓶行业多年无法解决的生产无石棉瓶胆的全部关键问题。
发明内容
本发明的目的在于提供一种通过对瓶胆结构和生产工艺的改革，实现不用石棉粒定位和支撑，制造环保型保温瓶瓶胆，以消除石棉对生产人员健康的影响和由于石棉粒带来的其他缺陷的一种无支撑瓶胆及其生产工艺。
为实现上述目的，本发明提供如下技术方案，一种无支撑瓶胆，包括玻璃内瓶和玻璃外瓶，所述玻璃内瓶和玻璃外瓶在口部相互连接成为一整体，所述玻璃内瓶的外表面与玻璃外瓶的内表面上镀有银反射层，所述玻璃内瓶和玻璃外瓶之间形成夹层空间呈真空状态，所述玻璃内瓶和玻璃外瓶之间的夹层空间中不设任何支持物，位于所述玻璃外瓶的内部上还设有隔离层，所述隔离层设置在玻璃外瓶内侧底端，所述隔离层为具有弹性的柔性材料制造而成。
进一步，在所述玻璃内瓶和玻璃外瓶之间的夹层空间中置有消气剂。
进一步，所述玻璃内瓶的外表面设有弹性垫圈，所述弹性垫圈设置在玻璃内瓶的外表面底端。
进一步，所述玻璃内瓶的内侧设有温度检测器，在玻璃外瓶的外表面上设有与温度检测器相连接的温度显示器，所述玻璃内瓶内的温度通过温度检 测器进行检测并通过温度显示器在玻璃外瓶显示。
一种环保型无支撑瓶胆的生产工艺，其工艺流程包括如下步骤：
步骤一、接尾，在外瓶底部接上供镀银和抽真空的小尾管；
步骤二、割玻璃内瓶和玻璃外瓶的瓶口，割去内外瓶坯的口部；
步骤三、切腰，将外瓶从腰部切割成上下两个半只，然后将隔离层放置到玻璃外瓶内侧底端，将弹性垫圈设置在玻璃内瓶的外表面底端；
步骤四、套玻璃内瓶、以临时固定物固定玻璃内瓶和玻璃外瓶，将玻璃内瓶插入外瓶坯的上半只，并在玻璃内瓶和玻璃外瓶之间衬入固定物，对玻璃内瓶和玻璃外瓶相对位置进行固定；
步骤五、揿口、封口，将内瓶和外瓶的上半部之间的相对位置调整到最佳位置，然后对内外瓶坯的口部进行高温封熔；
步骤六、去除临时固定物，去掉衬在内外瓶之间的固定物；
步骤七、接腰，将外瓶的下半部合在封好口的上半部上，然后对外瓶腰部进行高温熔焊，形成完整白瓶，然后将其温度检测器放置在玻璃内瓶内侧壁上，将温度显示器设置在玻璃外瓶的外表面上并与温度检测器连接；
步骤八、镀银、抽真空，置入消气剂，从尾管将硝酸银溶液和糖液灌入白瓶夹层中，利用银镜反应对内瓶的外表面与外瓶的内表面进行镀银，然后从尾管处对瓶胆夹层进行抽真空并置入消气剂后将尾管熔封；
步骤九、检验，按标准检验合格后即为成品瓶胆。
进一步，所采用的临时固定玻璃内瓶和玻璃外瓶的固定物为不含石棉成分的固体粒状物，如碳酸钙制成的粒状物。
与现有技术相比，本发明的技术方案具有如下优点：
1.本发明所提供的一种无支撑瓶胆，由于不再使用石棉粒，因此无论对生产者还是使用者，都可免去因与致癌物接触所带来的危险；同时由于无支撑物，消除了由于支撑物所造成的热损失，提高了瓶胆的保温效能；再者， 在用三粒石棉作支撑物时，由于镀银层在这里被破坏，外观上给消费者一种产品有疵点的感觉，而无支撑物的瓶胆，镀银层完整无损，外观上给人以一种完整的感觉。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
图1为本发明一种无支撑瓶胆及其生产工艺的流程结构原理图。
图2为本发明一种无支撑瓶胆及其生产工艺的瓶胆结构示意图。
图中：1.玻璃内瓶；2.玻璃外瓶；3.夹层空间；4.隔离层；5.消气剂；6.弹性垫圈；7.温度检测器；8.温度显示器。
实施例
如图1-2所示，本发明实施例所述的为实现上述目的，本发明提供如下技术方案，为实现上述目的，本发明提供如下技术方案，一种无支撑瓶胆，包括玻璃内瓶1和玻璃外瓶2，所述玻璃内瓶1和玻璃外瓶2在口部相互连接成为一整体，所述玻璃内瓶1的外表面与玻璃外瓶2的内表面上镀有银反射层，所述玻璃内瓶1和玻璃外瓶2之间形成夹层空间3呈真空状态，所述玻璃内瓶1和玻璃外瓶2之间的夹层空间3中不设任何支持物，位于所述玻璃外瓶2的内部上还设有隔离层4，所述隔离层4设置在玻璃外瓶2内侧底端，所述隔离层4为具有弹性的柔性材料制造而成，在所述玻璃内瓶1和玻璃外瓶2之间的夹层空间3中置有消气剂5，所述玻璃内瓶1的外表面设有弹性垫圈6，所述弹性垫圈6设置在玻璃内瓶1的外表面底端，所述玻璃内瓶1的内侧设有温度检测器7，在玻璃外瓶2的外表面上设有与温度检测器7相连接的温度显示器8，所述玻璃内瓶1内的温度通过温度检测器7进行检测并通过温度显示器8在玻璃外瓶2显示。
本发明所提供的一种无支撑瓶胆，由于不再使用石棉粒，因此无论对生 产者还是使用者，都可免去因与致癌物接触所带来的危险；同时由于无支撑物，消除了由于支撑物所造成的热损失，提高了瓶胆的保温效能；再者，在用三粒石棉作支撑物时，由于镀银层在这里被破坏，外观上给消费者一种产品有疵点的感觉，而无支撑物的瓶胆，镀银层完整无损，外观上给人以一种完整的感觉，同时，隔离层4和弹性垫圈6的设置，可以防止玻璃内瓶1掉落到玻璃外瓶2内而导致两者同时损毁的状况发生，温度检测器7和温度显示器8的设置，可以便于使用人员查看玻璃内瓶1的温度，从而便于人员进行相应的调整。
本发明所提供的一种环保型无支撑瓶胆的生产工艺，其工艺流程包括如下步骤：
步骤一、接尾，在外瓶底部接上供镀银和抽真空的小尾管；
步骤二、割玻璃内瓶1和玻璃外瓶2的瓶口，割去内外瓶坯的口部；
步骤三、切腰，将外瓶从腰部切割成上下两个半只，然后将隔离层4放置到玻璃外瓶2内侧底端，将弹性垫圈6设置在玻璃内瓶1的外表面底端；
步骤四、套玻璃内瓶1、以临时固定物固定玻璃内瓶1和玻璃外瓶2，将玻璃内瓶1插入外瓶坯的上半只，并在玻璃内瓶1和玻璃外瓶2之间衬入固定物，对玻璃内瓶1和玻璃外瓶2相对位置进行固定；
步骤五、揿口、封口，将内瓶和外瓶的上半部之间的相对位置调整到最佳位置，然后对内外瓶坯的口部进行高温封熔；
步骤六、去除临时固定物，去掉衬在内外瓶之间的固定物；
步骤七、接腰，将外瓶的下半部合在封好口的上半部上，然后对外瓶腰部进行高温熔焊，形成完整白瓶，然后将其温度检测器7放置在玻璃内瓶1内侧壁上，将温度显示器8设置在玻璃外瓶2的外表面上并与温度检测器7连接；
步骤八、镀银、抽真空，置入消气剂，从尾管将硝酸银溶液和糖液灌入 白瓶夹层中，利用银镜反应对内瓶的外表面与外瓶的内表面进行镀银，然后从尾管处对瓶胆夹层进行抽真空并置入消气剂后将尾管熔封；
步骤九、检验，按标准检验合格后即为成品瓶胆，所采用的临时固定玻璃内瓶1和玻璃外瓶2的固定物为不含石棉成分的固体粒状物，如碳酸钙制成的粒状物。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点，对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种无支撑瓶胆，其特征在于，包括玻璃内瓶(1)和玻璃外瓶(2)，所述玻璃内瓶(1)和玻璃外瓶(2)在口部相互连接成为一整体，所述玻璃内瓶(1)的外表面与玻璃外瓶(2)的内表面上镀有银反射层，所述玻璃内瓶(1)和玻璃外瓶(2)之间形成夹层空间(3)呈真空状态，所述玻璃内瓶(1)和玻璃外瓶(2)之间的夹层空间(3)中不设任何支持物，位于所述玻璃外瓶(2)的内部上还设有隔离层(4)，所述隔离层(4)设置在玻璃外瓶(2)内侧底端，所述隔离层(4)为具有弹性的柔性材料制造而成。
  2. 根据权利要求1所述的一种无支撑瓶胆，其特征在于，在所述玻璃内瓶(1)和玻璃外瓶(2)之间的夹层空间(3)中置有消气剂(5)。
  3. 根据权利要求1所述的一种无支撑瓶胆，其特征在于，所述玻璃内瓶(1)的外表面设有弹性垫圈(6)，所述弹性垫圈(6)设置在玻璃内瓶(1)的外表面底端。
  4. 根据权利要求3所述的一种无支撑瓶胆，其特征在于，所述玻璃内瓶(1)的内侧设有温度检测器(7)，在玻璃外瓶(2)的外表面上设有与温度检测器(7)相连接的温度显示器(8)，所述玻璃内瓶(1)内的温度通过温度检测器(7)进行检测并通过温度显示器(8)在玻璃外瓶(2)显示。
  5. 一种无支撑瓶胆的生产工艺，其特征在于，其工艺流程包括如下步骤：
    步骤一、接尾，在外瓶底部接上供镀银和抽真空的小尾管；
    步骤二、割玻璃内瓶(1)和玻璃外瓶(2)的瓶口，割去内外瓶坯的口部；
    步骤三、切腰，将外瓶从腰部切割成上下两个半只，然后将隔离层(4)放置到玻璃外瓶(2)内侧底端，将弹性垫圈(6)设置在玻璃内瓶(1)的外表面底端；
    步骤四、套玻璃内瓶(1)、以临时固定物固定玻璃内瓶(1)和玻璃外瓶(2)，将玻璃内瓶(1)插入外瓶坯的上半只，并在玻璃内瓶(1)和玻璃 外瓶(2)之间衬入固定物，对玻璃内瓶(1)和玻璃外瓶(2)相对位置进行固定；
    步骤五、揿口、封口，将内瓶和外瓶的上半部之间的相对位置调整到最佳位置，然后对内外瓶坯的口部进行高温封熔；
    步骤六、去除临时固定物，去掉衬在内外瓶之间的固定物；
    步骤七、接腰，将外瓶的下半部合在封好口的上半部上，然后对外瓶腰部进行高温熔焊，形成完整白瓶，然后将其温度检测器(7)放置在玻璃内瓶(1)内侧壁上，将温度显示器(8)设置在玻璃外瓶(2)的外表面上并与温度检测器(7)连接；
    步骤八、镀银、抽真空，置入消气剂，从尾管将硝酸银溶液和糖液灌入白瓶夹层中，利用银镜反应对内瓶的外表面与外瓶的内表面进行镀银，然后从尾管处对瓶胆夹层进行抽真空并置入消气剂后将尾管熔封；
    步骤九、检验，按标准检验合格后即为成品瓶胆。
  6. 根据权利要求5所述的一种无支撑瓶胆的生产工艺，其特征在于，所采用的临时固定玻璃内瓶(1)和玻璃外瓶(2)的固定物为不含石棉成分的固体粒状物，如碳酸钙制成的粒状物。
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