Thread protector with flat-top back cover

A protector and back cover technology, which is applied in the directions of closing, packaging, transportation and packaging, can solve the problems of steel pipe corrosion, unsatisfactory protection of steel pipe end threads, and the protector is easy to enter water, etc., to avoid corrosion damage and achieve good sealing effect. Effect

Inactive Publication Date: 2012-08-15
天津市津英达塑料制品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of transportation and storage, water can easily enter the protector, causing corrosion of the steel pipe, and the protection of the steel pipe, especially the thread at the end of the pipe, is not ideal.

Method used

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  • Thread protector with flat-top back cover
  • Thread protector with flat-top back cover

Examples

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Embodiment Construction

[0011] attached by figure 1 It can be seen that the present invention includes the steel sleeve 2 and the plastic inner lining 1 provided outside the steel sleeve 2, the top of the steel sleeve 2 is provided with an inwardly stretched arc, and a shoulder 3 is provided between the arc and the plastic inner liner 1. The upper part of the plastic lining 1 is provided with a cap 7, and the bottom of the cap 7 is provided with an inwardly recessed back cover 4. The depth of the back cover 4 should be greater than 1 / 2 of the overall height of the protective cover. The bottom cover 4 and the steel cover 2 A transition platform 6 is provided near the shoulders 3 between the tops. The inside of the plastic lining 1 and the outer wall of the steel sleeve 2 are provided with threaded threads 5, which are used to cooperate and connect with the protected steel pipe. The middle part of the above-mentioned capping 7 is provided with a dismounting hole 8 for installing and dismounting the pr...

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PUM

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Abstract

The invention provides an external thread protector with a flat-top back cover, which is used for protecting a thread at the end of a steel pipe. The thread protector comprises a steel jacket and a plastic inner lining arranged outside the steel jacket, wherein the top of the steel jacket is provided with an inwards drawn arc, a circular bead is arranged between the arc and the plastic inner lining, the upper part of the plastic inner lining is provided with a seal top, the inwards and excessively concave back cover is arranged at the downward bottom of the back cover, and a transition platform is arranged between the back cover and the top of the steel jacket near to the circular bead; a contact part between the inner part of the plastic inner lining and the outer wall of the steel pipe is provided with the thread; and a disassembly hole is arranged on the seal top. The thread protector has the beneficial effects that due to the hermetic seal top, the steel pipe can be well sealed by the protector, so that not only can the steel pipe thread be protected, but also the corrosion damage of water in the steel pipe to the thread can be avoided.

Description

technical field [0001] The invention relates to a protection set for a steel pipe head. Background technique [0002] During the transportation of the steel pipe, it is very easy to cause damage to the pipe end. In order to protect the pipe end, a pipe cap, that is, a protector, is generally placed on the pipe end. There is also a steel-plastic combination pipe cap with a plastic lining on the outside of the steel sleeve. Due to the buffering effect of the plastic, the protection effect is ideal. But because in the process of transportation and storage, water is easy to enter in the protector, causing corrosion of the steel pipe, the protection of the steel pipe, especially the thread at the end of the pipe is unsatisfactory. Contents of the invention [0003] The invention provides an external thread protector with a flat top and bottom seal, which has a good sealing effect and can avoid corrosion damage to the thread caused by water entering the steel pipe. [0004] In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D59/06
Inventor 李金明王新来李长建周伟裴少朋
Owner 天津市津英达塑料制品有限责任公司
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