JPH0452314Y2 - - Google Patents
Info
- Publication number
- JPH0452314Y2 JPH0452314Y2 JP15513687U JP15513687U JPH0452314Y2 JP H0452314 Y2 JPH0452314 Y2 JP H0452314Y2 JP 15513687 U JP15513687 U JP 15513687U JP 15513687 U JP15513687 U JP 15513687U JP H0452314 Y2 JPH0452314 Y2 JP H0452314Y2
- Authority
- JP
- Japan
- Prior art keywords
- anvil
- joining
- impermeable membrane
- shield
- impermeable
- 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.)
- Expired
Links
- 238000003466 welding Methods 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 14
- 239000012528 membrane Substances 0.000 description 31
- 238000003825 pressing Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15513687U JPH0452314Y2 (en]) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15513687U JPH0452314Y2 (en]) | 1987-10-09 | 1987-10-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0161298U JPH0161298U (en]) | 1989-04-19 |
JPH0452314Y2 true JPH0452314Y2 (en]) | 1992-12-09 |
Family
ID=31432489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15513687U Expired JPH0452314Y2 (en]) | 1987-10-09 | 1987-10-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0452314Y2 (en]) |
-
1987
- 1987-10-09 JP JP15513687U patent/JPH0452314Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0161298U (en]) | 1989-04-19 |
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