CN2059128U - Sheet thermoplastic articles - Google Patents
Sheet thermoplastic articles Download PDFInfo
- Publication number
- CN2059128U CN2059128U CN 89213394 CN89213394U CN2059128U CN 2059128 U CN2059128 U CN 2059128U CN 89213394 CN89213394 CN 89213394 CN 89213394 U CN89213394 U CN 89213394U CN 2059128 U CN2059128 U CN 2059128U
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- CN
- China
- Prior art keywords
- sheet material
- rib
- sheet
- utility
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to sheet thermoplastic articles, coated by a thermosol, and two rib bars are formed by packaging fillers with a thermal shrinkage plastic sheet. The problems of higher product cost and single variety exist in prior art. The utility model is characterized in that at least one rib bar of each one of two rib bars is positioned in the edge of the sheet material, when two rib bars are both positioned in the edge of the sheet material, a thermosol layer can extend from the lowr part of the edge of the sheet material with the rib bar. The utility model combines the advantages in prior art, the most notable characteristics is the diversification of product structure, and the utility model has the advantages of low cost, high quality. The product is generally used for the connection project of electric cable, optic cable covering layer, and other pipe type device.
Description
The utility model relates to the particularly sheath of cable, the optical cable sheet thermal contractible plastic goods that continue and use of all kinds of cast devices.
Known all kinds of tube type materials particularly the sheath of cable, optical cable continue and adopt the sheet thermal contractible plastic goods that have rib in the technology.Polyolefin plastics is through extrusion molding, and source or source irradiation, expansion, coating process etc. are made the sheet heat material plastic products of certain series specification.Have two ribs that in extrusion molding operation process, form on this goods, use sheet thermal contractible plastic goods to surround pipe fitting or cable, the sheath junction of optical cable, two ribs adduct together, pierce into the rib that closes up with special card article or clip in addition, sheet thermal contractible plastic goods become the round tube shape bigger than article diameter to be continued, owing to the pyrocondensation goods once lived through the function that irradiation and divergence process have heating after-contraction size before the expansion, only need evenly to heat the pyrocondensation surface of plastic products with modes such as blowtorch or electrical heating, will produce the phenomenon of thermal contraction and inner surface PUR fusing immediately, it is tightly wrapped up and be bonded in pipe fitting to be continued or cable, the sheath surface of optical cable.Reach airtight, resistance to compression, tension, wear-resisting, ageing-resistant, adapt to purposes such as high and low temperature environment.This technology is generally applied in cable construction maintenance engineering and pipe fitting continue engineering.Owing to have wide range of applications, require the product specification seriation, existing product is generally rib with sheet material extrusion moulding together, the product of each specification promptly needs one pair of mould, product cost is higher, and other has a kind of manufacture process of product to change to some extent, promptly forms rib with flat pyrocondensation sheet material parcel filler, reduced extruded mould, but product variety is single.
The purpose of this utility model provides the diversified product of structure, improves the quality of products.
Technical solution of the present utility model is: a kind of by pyrocondensation sheet material parcel filler and form two ribs, the sheet thermal contractible plastic goods of below coated PUR is characterized in that having at least in two ribs a rib to be positioned at the edge of sheet material.
The below coated of the sheet thermal contractible plastic goods in the technical solution of the present utility model hot melt adhesive layer, it is characterized in that when two ribs all are positioned at the edge of sheet material hot melt adhesive layer can have rib edge on one side to extend from sheet material.
Implement the shortcoming that the utility model can overcome existing product, make the product structure variation, improve the quality of products.
The utility model is described in further detail below in conjunction with the embodiment of accompanying drawing:
Fig. 1 is the cutaway view of one of this practical new product.
Fig. 2 is two a cutaway view of the utility model product.
(1) rib among the figure.(2) thermal contractible plastic sheet material.(3) hot melt adhesive layer.(4) filler.
Implementing process of the present utility model is, adopt common extruding machine and simple mould, with the polyolefin is that the continuous production of raw material is not collected with rolling behind the large tracts of land plastic sheet of rib, the plastic sheet of rolling has memory effect and crosslinked variation takes place behind source or source irradiation, subsequently plastic sheet is heated continuously and stretches to expand and become thinner sheet material, again sheet material is cut into Xiao Zhang's sheet material of various specification according to practical needs, is generally rectangle.Use mould that sheet material 2 parcel fillers 4 are formed two ribs 1, filler 4 is metal or nylon strip, can be with an edge that is positioned at sheet material 2 in two ribs 1, and another root rib keeps clear of the edge (as shown in Figure 1) of sheet material.Rib 1 has a segment distance promptly to form a broadside that is positioned at the rib side to the edge of sheet material 2, promptly makes finished product behind coated PUR below the sheet material; Also two ribs 1 all can be positioned at the edge of sheet material 2, coated PUR below sheet material 2, hot melt adhesive layer 3 can be concordant with the edge of sheet material 2, on one side also can extend out (as shown in Figure 2) from certain that rib arranged.The side of rib 1 forms a strip hot melt glue and extends band.After making, sheet thermal contractible plastic goods are widely used in the engineering that continues of cable, optical cable protective layer and pipe fitting.After surrounding the article of waiting to continue with the product among the utility model embodiment, the broadside of rib side or PUR extend band and promptly are positioned under the rib that commissure closes up, and rib pins with card article or clip in addition.Complete connection work behind the pyrocondensation goods to be heated places the broadside of rib below or PUR to extend the obvious effect that band can play the intensity at reinforced joint place.
Claims (2)
1, a kind of by thermal contractible plastic sheet material parcel filler and form two ribs, the sheet thermal contractible plastic goods of below coated PUR is characterized in that having at least in two ribs a rib to be positioned at the edge of sheet material.
2, sheet thermal contractible plastic goods as claimed in claim 1 is characterized in that when two ribs all are positioned at the edge of sheet material, and hot melt adhesive layer can have rib edge on one side to extend from sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89213394 CN2059128U (en) | 1989-12-20 | 1989-12-20 | Sheet thermoplastic articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89213394 CN2059128U (en) | 1989-12-20 | 1989-12-20 | Sheet thermoplastic articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2059128U true CN2059128U (en) | 1990-07-11 |
Family
ID=4869421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89213394 Withdrawn CN2059128U (en) | 1989-12-20 | 1989-12-20 | Sheet thermoplastic articles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2059128U (en) |
-
1989
- 1989-12-20 CN CN 89213394 patent/CN2059128U/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |