JPH0355455U - - Google Patents
Info
- Publication number
- JPH0355455U JPH0355455U JP11742589U JP11742589U JPH0355455U JP H0355455 U JPH0355455 U JP H0355455U JP 11742589 U JP11742589 U JP 11742589U JP 11742589 U JP11742589 U JP 11742589U JP H0355455 U JPH0355455 U JP H0355455U
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- opening forming
- temporary opening
- concrete slab
- forming unit
- 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.)
- Granted
Links
- 238000009415 formwork Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
第１図は仮設開口部形成ユニツトの斜視図、第
２図、第３図は仮設開口部形成ユニツトを構成す
る側板の断面図、第４図〜第７図はそれぞれ仮設
開口部形成装置の施工手順を示す断面図、第８図
〜第１３図はそれぞれ従来例の施工手順を示す断
面図、である。
１…仮設開口部形成ユニツト、２…枠体、３…
ヒンジ、４…開口蓋、５…側板、６…ウエブ部、
７…上フランジ部、８…下フランジ部、９…突出
条、１０…貫通孔、１１…孔、１２…アングル、
１３…孔、１４…スラブ下型枠、１５…コンクリ
ート、１６…コンクリートスラブ、１７…仮設開
口部、１８…底板、１９…コンクリート、２０…
スラブ型枠、２１…ベニヤ型枠、２２…サシ筋、
２３…開口蓋、２４…鉄筋、２５…箱形型枠、２
６…開口蓋。
Fig. 1 is a perspective view of the temporary opening forming unit, Figs. 2 and 3 are sectional views of the side plates constituting the temporary opening forming unit, and Figs. 4 to 7 are respectively showing the construction of the temporary opening forming device. FIGS. 8 to 13 are cross-sectional views showing the construction procedure in a conventional example. 1... Temporary opening forming unit, 2... Frame, 3...
Hinge, 4...Opening lid, 5...Side plate, 6...Web part,
7... Upper flange portion, 8... Lower flange portion, 9... Protruding strip, 10... Through hole, 11... Hole, 12... Angle,
13... Hole, 14... Slab lower formwork, 15... Concrete, 16... Concrete slab, 17... Temporary opening, 18... Bottom plate, 19... Concrete, 20...
Slab formwork, 21...Plywood formwork, 22...Sash bar,
23...Opening lid, 24...Reinforcing bar, 25...Box-shaped formwork, 2
6...Opening lid.
Claims (1)
の突出条９をウエブ部６に形成したみぞ形断面の
側板５もりなる矩形状の枠体２と、 枠体２を形成する側板５の上フランジ７にヒン
ジ３により回動自在に取り付けられる板状の開口
蓋４と、 からなる箱状の仮設開口部形成ユニツト１を、 コンクリートスラブの下型枠１４上に配設し、
コンクリートスラブの型枠にはコンクリート天端
が前記仮設開口部形成ユニツト１の上端部よりや
や下方となるようにコンクリート１５を打設して
なることを特徴とするコンクリートスラブの仮設
開口部形成装置。[Scope of Claim for Utility Model Registration] A rectangular frame body 2 having a side plate 5 having a groove-shaped cross section and having a web portion 6 formed with a generally U-shaped protruding strip 9 that protrudes outward and continues in the longitudinal direction; A box-shaped temporary opening forming unit 1 is placed on the lower formwork 14 of the concrete slab. arranged,
A temporary opening forming apparatus for a concrete slab, characterized in that concrete 15 is poured into the formwork of the concrete slab so that the top of the concrete is slightly below the upper end of the temporary opening forming unit 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11742589U JPH0746678Y2 (en) | 1989-10-05 | 1989-10-05 | Equipment for temporary opening of concrete slabs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11742589U JPH0746678Y2 (en) | 1989-10-05 | 1989-10-05 | Equipment for temporary opening of concrete slabs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0355455U true JPH0355455U (en) | 1991-05-28 |
| JPH0746678Y2 JPH0746678Y2 (en) | 1995-10-25 |
Family
ID=31665640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11742589U Expired - Fee Related JPH0746678Y2 (en) | 1989-10-05 | 1989-10-05 | Equipment for temporary opening of concrete slabs |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0746678Y2 (en) |
-
1989
- 1989-10-05 JP JP11742589U patent/JPH0746678Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0746678Y2 (en) | 1995-10-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |