Claims
- 1. A flask comprising:
- a splittable flask body which comprises an upper lid member, a tray member and a lower lid member, all formed of a material through which microwaves are transmittable,
- an injection attachment mounted on a mounting port formed of axially aligned cut-out portions of said tray member and said lower lid member and having an axial resin injection hole, and a sprue-opening closure member for closing said resin injection hole in said injection attachment,
- a cylinder filled with a pasted resin and a plunger positioned in said cylinder for injecting said resin into said resin injection hole, said cylinder having an end wall with an outlet hole formed therein and a recessed portion formed on a side of said wall opposite said plunger; and
- said flask body being provided in the vicinity of a side edge thereof with at least two through-holes and tightening means inserted into said through holes, wherein said tightening means comprises securing members, each formed of a material through which microwaves are transmittable, and wherein said injection attachment is provided with a resin injection hole and with inner and outer stopper members formed of a material through which microwaves are transmittable in such opposite relation as to hold therebetween a wall region of the side of said flask body, said outer stopper member being positioned in said recessed portion formed at said one end of said cylinder.
- 2. A flask as claimed in claim 1, wherein said flask body is formed of a fiber-reinforced synthetic plastic, said injection attachment is formed of a synthetic plastic, and said tightening means are formed of a synthetic plastic.
- 3. A flask as claimed claim 2, wherein said flask body is provided, through its side with at least one vent port.
- 4. A flask as claimed in claim 3, wherein said vent port formed through the side of said flask body is tapered convergently toward its outermost end, and a bent sealing member having a taper corresponding to that of said vent port is inserted therein such that its thinner end directs outwardly.
- 5. a flask as claimed in claim 1, wherein said flask body has in a side portion thereof at least one vent port wherein said vent port is tapered convergently toward an outermost end portion thereof, and wherein a vent sealing member having a taper corresponding to that of said vent port is positioned therein such that a thinner end thereof is directed outwardly.
- 6. A flask as claimed claim 1, wherein said flask body is provided through its side with at least one vent port.
- 7. A flask as claimed in claim 6, wherein said vent port formed through the side of said flask body is tapered convergently toward its outermost end, and a bent sealing member having a taper corresponding to that of said vent port is inserted therein such that its thinner end directs outwardly.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-276088 |
Nov 1988 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 07/430,573, filed on Nov. 1, 1989, now abandoned.
US Referenced Citations (10)
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Continuations (1)
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Number |
Date |
Country |
Parent |
430573 |
Nov 1989 |
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