Blow-molding plastic bubble-generating device

Patent metadata

Field	Value
Publication number	US-10245774-B2
Application number	US-201715416867-A
Country	US
Kind code	B2
Filing date	Jan 26, 2017
Priority date	May 16, 2016
Publication date	Apr 2, 2019
Grant date	Apr 2, 2019

Abstract

A blow-molding plastic bubble-generating device is provided, including a board-like shell body. The board-like shell body is formed through blowing a hollow embryo placed in a mold, the hollow embryo is blown and expanded, the hollow embryo is penetrated through by a plurality of needle posts on an inner wall of the mold to form the board-like shell body, the board-like shell body is integrally formed and hollow and has a shell wall which completely and continuously surrounds the board-like shell body, and the shell wall has a plurality of through holes.

First claim

What is claimed is:

1. A blow-molding plastic bubble-generating device, including: a board-like shell body, formed through blowing a hollow embryo placed in a mold, wherein the hollow embryo is blown and expanded, the hollow embryo is penetrated through by a plurality of needle posts on an inner wall of the mold to form the board-like shell body, the board-like shell body is integrally formed and hollow and has a shell wall which completely and continuously surrounds the board-like shell body, and the shell wall has a plurality of through holes; wherein the shell wall has a plurality of protrusive mouths, and each said protrusive mouth has one of the through holes.

2. The blow-molding plastic bubble-generating device of claim 1 , wherein the shell wall has a plurality of lattice ribs, each said lattice rib is hollow, and a top face of the lattice rib has a plurality of protrusive mouths.

3. The blow-molding plastic bubble-generating device of claim 2 , wherein the plurality of lattice ribs include a plurality of first protrusive ribs and a plurality of second protrusive ribs, and the plurality of first protrusive ribs and the plurality of second protrusive ribs crisscross with each other and define a plurality of recessed grooves.

4. The blow-molding plastic bubble-generating device of claim 3 , wherein a side of the shell wall opposite to the plurality of lattice ribs has a plurality of recesses, and the plurality of recesses correspond to at least one of the lattice ribs or at least one of the recessed grooves.

5. The blow-molding plastic bubble-generating device of claim 4 , wherein one of the recessed groove corresponds to a part of the plurality of recesses, and at least one of the lattice ribs corresponds to a part of the plurality of recesses.

6. The blow-molding plastic bubble-generating device of claim 5 , wherein the part of the plurality of recesses corresponding to one of the recessed groove is shallower than the part of the plurality of recesses corresponding to the at least one of the lattice ribs.

7. The blow-molding plastic bubble-generating device of claim 4 , wherein a part of the plurality of recesses are arranged along a periphery of the board-like shell body to define an engaging groove, and each said engaging groove includes at least one restricting protrusion which projects into the engaging groove.

8. The blow-molding plastic bubble-generating device of claim 2 , wherein a side of the shell wall opposite to the plurality of lattice ribs has a plurality of abutting protrusions.

9. The blow-molding plastic bubble-generating device of claim 6 , wherein a part of the plurality of recesses are arranged along a periphery of the board-like shell body to define an engaging groove, and each said engaging groove corresponds to one of the lattice ribs and includes two restricting protrusions which project into the engaging groove; a side of the shell wall opposite to the plurality of lattice ribs has a plurality of abutting protrusions, and each said abutting protrusion is close to a corner of the board-like shell body; the blow-molding plastic bubble-generating device further has an air inlet mouth which communicates with an interior of the board-like shell body; the plurality of recessed groove include four L-shaped chamfered grooves, the four L-shaped chamfered groove are respectively arranged on four corners of the board-like shell body and open laterally; a part of the plurality of the recessed grooves are respectively spacingly arranged along four sides of the board-like shell body and open laterally.

10. A blow-molding plastic bubble-generating device, including:
a board-like shell body, formed through blowing a hollow embryo placed in a mold, wherein the hollow embryo is blown and expanded, the hollow embryo is penetrated through by a plurality of needle posts on an inner wall of the mold to form the board-like shell body, the board-like shell body is integrally formed and hollow and has a shell wall which completely and continuously surrounds the board-like shell body, and the shell wall has a plurality of through holes;
a pallet, the pallet including a plurality of props and has a plurality of penetrating holes disposed therethrough, the pallet detachably assembled on the board-like shell body and defining a space with the board-like shell body, the space communicating with the plurality of through holes and the plurality of penetrating holes.

Assignees

• Lih Yann Ind Co Ltd

Inventors

• Liao Po-Lin

Classifications

• B29C49/50 Primary

  having cutting or deflashing means · CPC title

• B01F3/04099

  Operations & Transport · mapped topic

• B29C2793/0018

  for making a hole · CPC title

• B29C49/04

  Extrusion blow-moulding · CPC title

• B29C2049/503

  being independently movable during the mould closing · CPC title