JPS6343713U

JPS6343713U -

Info

Publication number: JPS6343713U
Application number: JP13825486U
Authority: JP
Priority date: 1986-09-09
Filing date: 1986-09-09
Publication date: 1988-03-24

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図、第３図は同実施例の射出時と計量、可塑化中
での状況を示す断面図、第４図、第５図はバネ座
金の正面図、Ｖ〜Ｖ線に沿う断面図、第６図は従
来例を示す断面図、第７図、第８図は同従来例の
射出時と計量、可塑化中での状況を示す断面図、
第９図は第８図のＡ〜線に沿う断面図である。３……スクリユ本体、５……シールリング、６
……スクリユヘツド、７……逆止リング、８……
支持部材、９……座金本体、１０……弾性舌片、
１１……切欠部、１２，１３，１４……樹脂流路
。 Fig. 1 is a sectional view showing one embodiment of the present invention;
Figures 3 and 3 are cross-sectional views showing the conditions during injection, metering, and plasticization of the same example. Figures 4 and 5 are front views of the spring washer, cross-sectional views taken along line V to V, and Figure 6 is a cross-sectional view showing the conventional example, Figures 7 and 8 are cross-sectional views showing the same conventional example during injection, metering, and plasticization.
FIG. 9 is a sectional view taken along line A in FIG. 8. 3... Screw body, 5... Seal ring, 6
...Screw head, 7...Check ring, 8...
Supporting member, 9...Washer body, 10...Elastic tongue piece,
11... Notch, 12, 13, 14... Resin flow path.

Claims

[Scope of utility model registration request]

Between the head of the screw head provided at the tip of the screw main body via a seal ring and the check ring loosely fitted to the shaft of the screw head, place the check ring at or near the position where it contacts the seal ring. A screw for an injection molding machine, characterized in that a support member having a small elastic modulus is disposed to be supported from the opposite side of the screw main body, and the screw head head and the check ring are separated from each other via the support member. .