Plastic thin wall pipe
A technology of thin-walled and thin-walled plastic pipes, which is applied in the fields of formwork/template/work frame, on-site preparation of building components, construction, etc. question
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[0069] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0070] As shown in the accompanying drawings, the present invention includes an annular thin-walled pipe body 1 and a sealing plate 2, and the sealing plate 2 closes the pipe end of the annular thin-walled pipe body 1 to form a closed hollow thin-walled pipe, which is characterized in that the annular thin-walled pipe body The wall pipe body 1 is formed by rolling at least one plate 3 into a circular splicing. The splicing parts are connected to each other by a connecting piece 4 to form a longitudinal splicing strip 5. The connecting piece 4 is a connecting piece formed by a male post 6 and a female hole 7. The male post 6 is inserted into the female hole 7 for connection, and the male post 6 or / and the female hole 7 are provided with a locking piece 8 . In each drawing, 1 is an annular thin-walled pipe body, 2 is a sealing plate, 3 is a plate, 4 is a ...
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