JPH0452315Y2 - - Google Patents
Info
- Publication number
- JPH0452315Y2 JPH0452315Y2 JP15513787U JP15513787U JPH0452315Y2 JP H0452315 Y2 JPH0452315 Y2 JP H0452315Y2 JP 15513787 U JP15513787 U JP 15513787U JP 15513787 U JP15513787 U JP 15513787U JP H0452315 Y2 JPH0452315 Y2 JP H0452315Y2
- Authority
- JP
- Japan
- Prior art keywords
- anvil
- joining
- impermeable membrane
- impermeable
- shield
- 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
- 229920000642 polymer Polymers 0.000 claims description 16
- 239000012528 membrane Substances 0.000 description 33
- 238000003466 welding Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000037303 wrinkles Effects 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation 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
- 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
- 239000011148 porous material Substances 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 |
|---|---|---|---|
| JP15513787U JPH0452315Y2 (en]) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15513787U JPH0452315Y2 (en]) | 1987-10-09 | 1987-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161299U JPH0161299U (en]) | 1989-04-19 |
| JPH0452315Y2 true JPH0452315Y2 (en]) | 1992-12-09 |
Family
ID=31432491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15513787U Expired JPH0452315Y2 (en]) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452315Y2 (en]) |
-
1987
- 1987-10-09 JP JP15513787U patent/JPH0452315Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0161299U (en]) | 1989-04-19 |
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