JPH02147547U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は平面図、第２図は第３図の−線に
おける横断平面図、第３図は第１図の−線に
おける拡大縦断面図、第４図は円形外枠部分の縦
断正面図である。 １……上部横枠、１′……下部横枠、３，３′
……調節片、５……上部枠体、５′……下部枠体
、６……縦枠、７……高さ調節部材、９……マン
ホール受け枠体、１０……支持材、１１……円形
外枠。 Fig. 1 is a plan view, Fig. 2 is a cross-sectional plan view taken along the - line in Fig. 3, Fig. 3 is an enlarged vertical sectional view taken along the - line in Fig. 1, and Fig. 4 is a longitudinal sectional front view of the circular outer frame portion. It is. 1... Upper horizontal frame, 1'... Lower horizontal frame, 3, 3'
... Adjustment piece, 5 ... Upper frame, 5' ... Lower frame, 6 ... Vertical frame, 7 ... Height adjustment member, 9 ... Manhole receiving frame, 10 ... Supporting material, 11 ... ...Circular outer frame.

Claims (1)

【実用新案登録請求の範囲】 １ 長さの調節可能な上部枠体５と、高さ調節部
材７を設けた長さの調節可能な下部枠体５′と、
上部枠体５および下部枠体５′の各先端部に固着
され上部にマンホール受け枠体９の支持材１０を
取付けた縦枠６と、径の大きさの調節可能な円形
外枠１１とからなるマンホール用型枠。 ２ 上部枠体５および下部枠体５′がアングル材
を十字形に重ねた上部横枠１および下部横枠１′
とアングル材の調節片３，３′とからなる請求項
１記載のマンホール用型枠。[Claims for Utility Model Registration] 1. A length-adjustable upper frame 5, a length-adjustable lower frame 5' provided with a height adjustment member 7,
It consists of a vertical frame 6 fixed to each tip of the upper frame 5 and lower frame 5' and having a supporting member 10 of the manhole receiving frame 9 attached to the upper part, and a circular outer frame 11 whose diameter is adjustable. Formwork for manholes. 2 The upper frame body 5 and the lower frame body 5' are an upper horizontal frame 1 and a lower horizontal frame 1' formed by overlapping angle materials in a cross shape.
2. A manhole formwork according to claim 1, comprising: and adjustment pieces 3, 3' made of angle material.