Patent ID: 9358718
Filing Date: 2016-06-07
CPC Classification: B29C,B29L

Claim Text:
1. A sealing structure of a through-hole formed in a plastic hollow product, comprising: said plastic hollow product including a cylindrical section, defining the through-hole for communication between an interior of the plastic hollow product and an exterior of the plastic hollow product, and first engaging means, said cylindrical section projecting outwardly from a peripheral wall which defines a hollow space as the interior of said plastic hollow product, wherein said cylindrical section and said peripheral wall are unitary in structure and comprise a first material, said first engaging means being provided below an outside surface of said peripheral wall, said outside surface facing the exterior of the plastic hollow product; a component mounting member including a contact portion, in contact with an outside surface of said cylindrical section, and second engaging means to be engaged with said first engaging means to establish a mechanical coupling with said plastic hollow product, wherein said component mounting member comprises a second material which is higher in rigidity than said first material, whereby said mechanical coupling is established by having an inclined end section of said second engaging means in the shape of a wedge along a periphery of said component mounting member buried below said outside surface of said peripheral wall such that no portion of said component mounting member is located in the interior of the plastic hollow product when said first engaging means is brought into engagement with said second engaging means as a result of blow molding said plastic hollow product using said component mounting member as an insert; securing means configured to receive at least a portion of the component which extends through said through-hole for detecting a condition of an environment in said hollow space, to said component mounting member; and sealing means interposed between said cylindrical section and said component for sealing a gap therebetween to thereby seal said through-hole.