Blow mold, bottle blowing machine and plastic bottle
A technology for blowing molds and plastic bottles, applied in the fields of blowing molds, blowing machines and plastic bottles, can solve problems such as unqualified bottle quality and easy formation of folds at joints, so as to improve blowing quality, reduce production costs, The effect of simplifying the production process
Pending Publication Date: 2020-12-11
GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD
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AI Technical Summary
Problems solved by technology
After the preform is blown, wrinkles are easily formed at the connection between the bottle shoulder opposite the handle and the neck of the bottle, resulting in unqualified bottle quality
Method used
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[0035] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0036] In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, the first feature being "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below" the first feature below the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the level of the first feature is smaller than that of the second feature.
[0037...
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The invention discloses a blow mold, a bottle blowing machine and a plastic bottle. The blow mold is provided with a mold cavity; a bottle body, a bottle shoulder, a handle and a bottle neck are formed in the mold cavity after a bottle blank is blown; the bottle shoulder is located between the bottle body and the bottle neck; one end of the handle is connected with the bottle shoulder; the other end of the handle is also connected with the bottle shoulder or the bottle neck; the mold cavity comprises a first concave area; and the first concave area enables a protruding step structure to be formed on the bottle neck. According to the blow mold, the mold cavity of the blow mold comprises the first concave area, and the first concave area enables the protruding step structure to be formed onthe bottle neck, so that more blanks are occupied in the position, wrinkles are prevented from appearing in the connecting position of the bottle shoulder and the bottle neck, and the blowing qualityof bottle blanks is improved. The plastic bottle manufactured by adopting the blow mold provided by the embodiment of the invention is formed by blowing the bottle blank with the handle; and as the handle which needs to be independently assembled is not needed, the production process is simplified, the production efficiency is enhanced, the production cost is reduced, and the condition that the handle falls off is avoided.
Description
technical field [0001] The invention relates to the technical field of bottle blowing, in particular to a blow mold, a bottle blowing machine and a plastic bottle. Background technique [0002] At present, the plastic baby bottles and beverage bottles with handles on the market are mainly divided into two categories, one is the bottle made of HDPE with the handle, and the other is the bottle made of PET with the rear handle. Among them, the HDPE bottle with its own handle has defects such as incomplete sealing, easy damage to the bottle body, and uncontrollable bottle capacity; while the other PET bottle has better airtightness, stronger bottle body, and barrier resistance than HDPE bottles. Oxygen performance is high, transparent and easy to observe, etc., but currently PET bottles need to be equipped with rear handles, and the handles in PET bottles with rear handles require specific equipment for production and installation, and are easy to fall off after installation. T...
Claims
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Login to View More IPC IPC(8): B29C49/48
CPCB29C49/48B29C2049/4879B29C2949/0791B29C49/487105
Inventor 邹大群黄孝林
Owner GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD